chemistry Crossword Puzzles
Chemistry 2015-11-19
Across
- A pure substance
- A positively charged particle in the nucleus of an atom
- group 18 elements in the periodic table
- an atom that has become electrically charged because of loss or gain of electrons
- An invisible negatively charged particle that orbits the nucleus of an atom
- horizontal row of elements in the periodic table
- Pure substance formed when at least on metal and nonmetal combine
- the substance that reacts with another substance
- Pure substance formed when non-metals combine
- a new substance produced from a chemical reaction between reactants
- A substance that helps a chemical reaction go faster
- Most reactive non metals
- catalyst involved in chemical reactions in living things
Down
- A chemical reaction that releases energy
- A cloudy mixture in which tiny particles of one substance are held within another
- A chemical reaction that absorbs energy
- a table in which the elements are organized
- a shiny,malleable,ductile element
- Mass of an atom
- The sum of the number of protons and neutrons in an atom
- Vertical column of elements in the periodic table
- a Element that has both metallic and non metallic properties
- A slow chemical change between metal and oxygen
- Positively charged centre of an atom
24 Clues: Mass of an atom • A pure substance • Most reactive non metals • a shiny,malleable,ductile element • Positively charged centre of an atom • A chemical reaction that absorbs energy • group 18 elements in the periodic table • A chemical reaction that releases energy • a table in which the elements are organized • Pure substance formed when non-metals combine • ...
Chemistry 2016-01-26
Across
- atom that has become electrically charged because it has lost or gained electrons
- substance made up of only one type of atom
- number of protons in the nucleus of one atom of an element
- pure substance formed when at least one metal and one non metal combine
- neutral particle in the nucleus of an atom
- pure substance formed when non-metals combine
- group 18 elements in the periodic table the most stable and un reactive elements
- horizontal row of elements in the periodic table
- combination of symbols that represent a compound
- neutral particle in the nucleus of an atom
Down
- vertical column of elements in the periodic table
- invisible negatively charged particle that orbits the nucleus of an atom.
- catalyst involved in chemical reactions in living things
- group two elements in the periodic table their reactivity is not as strong as the alkali metals
- group one elements in the periodic table not including hydrogen
- invisible negatively charged particle that orbits the nucleus of an atom
- metal that has both metallic and non-metallic properties
- the sum of the protons and neutrons in an atom
- description of a substance that can be pounded or rolled into sheets
- positively charged atom in the nucleus of an atom
- substance that helps a chemical reaction to proceed more qiucklly
- group of atoms joined by covalent bonds
- the smallest part of an element that is representative of that element
23 Clues: group of atoms joined by covalent bonds • substance made up of only one type of atom • neutral particle in the nucleus of an atom • neutral particle in the nucleus of an atom • pure substance formed when non-metals combine • the sum of the protons and neutrons in an atom • horizontal row of elements in the periodic table • ...
Chemistry 2016-02-10
Across
- equivalent to the number of protons and neutrons in an element
- formed by atoms or molecules by one or more electrons
- short representation of a chemical element
- determines chemical properties and place(on P.T) of an element
- process accompanied by the absorption of heat
- a thin coating of gold, silver, or another metal
- horizontal rows on the periodic table
- examples: helium, radon, xenon, krypton, neon, and argon
- substances consumed during the reaction to make product
- chemical element with properties in between those of metals and nonmetals
- basic unit of a chemical element
- electrons on the outside rings
- consists of several parts, or elements in particular
- on the periodic table there are 18 of these
Down
- principle in any closed system subjected to no external forces, mass is irrespective of changes in form
- particle with a negative charge
- element of substance that does not conduct electricity
- particle with no charge
- conductors of electricity, have crystalline solids with a metallic luster, and have a high chemical reativity
- developed periodic table and predicted discovery of several new elements
- group of atoms bonded together
- process accompanied by the release of heat
- particle with a positive charge
- distinguished by its atomic number
- species formed from chemical reactions
- central core of an atom
26 Clues: particle with no charge • central core of an atom • group of atoms bonded together • electrons on the outside rings • particle with a negative charge • particle with a positive charge • basic unit of a chemical element • distinguished by its atomic number • horizontal rows on the periodic table • species formed from chemical reactions • ...
Chemistry 2016-02-11
Across
- the letter or letters that symbolize a certain element
- the mass of an element
- energy is given off
- Atomic particle found in the nucleus and carries a positive charge
- energy is absorbed
- one solid base gas, solid, or liquid by itself
- matter cannot be created or destroyed, only changed
- Atomic particles that move around the nucleus; Negative charge
- the objects that are reacting with each other in a chemical reaction
- group of elements that are odorless, colorless, and nonreactive
- a reaction when a layer of metal is bonded to another substance
Down
- group of two or more of the same ore different elements
- partially conductive, good for semiconductors and computer chips
- solid, shiny, ductile, good conductor, and malleable
- group of two or more different elements
- the electrons in the outer most orbital
- vertical grouping on the P.T.
- not malleable, conductive, or ductile, and very brittle
- center part of an atom
- Atomic particle found in the nucleus and carries a neutral charge
- the result of a chemical reaction
- the amount of protons and electrons
- regions of space outside the nucleus of an atom
- Russian chemist created periodic table
- The smallest part of an element
- horizontal grouping on the P.T.
26 Clues: energy is absorbed • energy is given off • the mass of an element • center part of an atom • vertical grouping on the P.T. • The smallest part of an element • horizontal grouping on the P.T. • the result of a chemical reaction • the amount of protons and electrons • Russian chemist created periodic table • group of two or more different elements • ...
Chemistry 2016-02-10
Across
- of conservation of mass the mass of the products in a chemical reaction must equal the mass of the reactants
- a group of atoms bonded together
- gas helium
- changes during a reaction
- energy is released
- what you get after you mix things together
- no electric charge
- negatively charged
- Mendeleev developed the periodic table
- sodium, alike metals has one electron
- consists of protons and electrons
- how the elements are arranged with increasing atomic numbers
Down
- mass their absorbency
- energy is absorbed
- the material of chemical gas or metal that is on the periodic table
- to place farmers do what to crops every year
- the smalles unit of an element
- positively charged element
- can form alloys with metals
- 18 numbers groups on the periodic table
- two electrons and is associated with a region of a chemical bond
- composed of two or more separate elements
- metal very brittle and cannot be made into wire
- electrons participate in thr formation of a chemical bond
- the letters of an element (au)
25 Clues: gas helium • energy is absorbed • energy is released • no electric charge • negatively charged • mass their absorbency • changes during a reaction • positively charged element • can form alloys with metals • the smalles unit of an element • the letters of an element (au) • a group of atoms bonded together • consists of protons and electrons • sodium, alike metals has one electron • ...
Chemistry 2015-12-02
Across
- A property that becomes evident during or after a chemical reaction
- Change of form a solid to a gas or a gas to a solid
- A table of the chemical elements arranged in order of atomic number
- A mixture in which the solute dissolves into the solvent
- Any change that results in a formation of a new substance
- A subatomic particle of about the same mass as a proton but without an electric charge
- A solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity
- Any of the elements beryllium, magnesium, calcium, strontium, barium, and radium, occupying Group IIA (2) of the periodic table
- A substance made by mixing two or more substances together
- Characteristic that describes a particular substance
- Any of the elements fluorine, chlorine, bromine, iodine, and astatine, occupying group VIIA (17) of the periodic table
Down
- The total number of protons and neutrons in a nucleus
- Change in appearance or state that does not change the composition
- Property that describes a physical appearance of a substance
- Change of state from gas to solid
- An element whose properties are intermediate between those of metals and solid nonmetals
- An element or substance that is not a metal
- The number of protons in the nucleus of an atom
- Any of the elements lithium, sodium, potassium, rubidium, cesium, and francium, occupying Group IA (1) of the periodic table
- A representation of a substance using symbols for its constituent elements
- A unit of mass used to express atomic and molecular weights
- Any of the gaseous elements helium, neon, argon, krypton, xenon, and radon, occupying Group 0 (18) of the periodic table
- A stable subatomic particle occurring in all atomic nuclei, with a positive electric charge
- A stable subatomic particle with a charge of negative electricity
24 Clues: Change of state from gas to solid • An element or substance that is not a metal • The number of protons in the nucleus of an atom • Change of form a solid to a gas or a gas to a solid • Characteristic that describes a particular substance • The total number of protons and neutrons in a nucleus • A mixture in which the solute dissolves into the solvent • ...
Chemistry 2016-05-12
Across
- a subatomic particle with a net charge that is negative
- The amount of matter in an object.
- The SI unit of energy defined as a newton-meter
- A nuclear reaction where a big atom breaks up into little ones.
- A measurement of the average kinetic energy of the particles in a system.
- particles that fill their container though have no definite shape or volume
- a chemically bonded number of atoms that are electrically neutral
- H2O
- A state of matter which takes the shape of its container
- of conservation of mass The amount of stuff after a chemical reaction takes place is the same as the amount of stuff you started with.
- The liquid that dissolves the solid in a solution.
- Group II in the periodic table.
- point the place where temperature and pressure of three phases are the same
- ratio The ratio of moles of what you've been given in a reaction to what you want to find.
- When you make a big molecule from two or more smaller ones.
- a molecule that has gained or lost one or more electrons
- When you haven't yet dissolved all of the solute that's possible to dissolve in a liquid.
- particle A radioactive particle equivalent to a helium nucleus.
- pair two electrons that aren't involved in chemical bonding.
- A measurement of how repeatable a measurement is. The more significant figures the more precise the measurement
- A compound that gives off OH- ions in water. They are slippery and bitter and have a pH greater than 7.
- When an element has more than one possibility for the number of neutrons, these are called isotopes.
- The time required for half of the radioactive atoms in a sample to decay.
- bond A bond formed when charge particles stick together.
- a positive unit or subatomic particle that has a positive charge
Down
- particle A radioactive particle equivalent to an electron.
- When a compound combines with oxygen gas to form water heat and carbon dioxide
- The mass of one mole of particles.
- The recipe that describes what you need to do to make a reaction take place.
- number of cycles per unit of time.
- High energy light given off during a nuclear process. When a nucleus gives off this light it goes to a lower energy state making it more stable.
- chemical bond that involves sharing electrons
- This is anything that gives off H+ ions in water. Acids have a pH less than 7 and are good at dissolving metals.
- The phase change from a solid to a liquid
- When you measure something, the accuracy is how close your measured value is to the real value.
- When more solute is dissolved in a liquid than is theoretically possible.
- Group I in the periodic table.
- electron The outermost electrons in an atom.
- When you boil a liquid.
- -log[H+]
- When the maximum amount of solute is dissolved in a liquid
- A measurement of how much of a solute can dissolve in a liquid.
- a neutral unit or subatomic particle that has no net charge
- level A possible level of energy that an electron can have in an atom.
- a carrier of electromagnetic radiation of all wavelength
- A unit of concentration equal to moles of solute divided by liters of solution.
- A row in the periodic table.
- form of ionizing electromagnetic radiation between gamma and UV rays
48 Clues: H2O • -log[H+] • When you boil a liquid. • A row in the periodic table. • Group I in the periodic table. • Group II in the periodic table. • The mass of one mole of particles. • The amount of matter in an object. • number of cycles per unit of time. • The phase change from a solid to a liquid • electron The outermost electrons in an atom. • ...
chemistry 2018-04-26
Across
- Prinsip kerja dialisis digunakan dalam alat hemodializer untuk pencucian...
- Efek Tyndall adalah efek penghamburan ... oleh koloid
- Koloid pelindung pada pembuatan es krim
- Emulsi padat
- Dapat dibedakan partikel-partikel zat campurannya
- Campuran heterogen di mana partikel-partikel zat berukuran antara 1-1000 nm terdispersi merata dalam medium zat lain
- Campuran yang mengandung partikel padat (heterogen)
- Pembuatan sol Fe(OH)2 dilakukan dengan cara ...
- Penggumpalan larutan menjadi partikel berukuran koloid
- Jenis koloid yang fase pendispersinya gas
- Proses pembentukan gumpalan-gumpalan partikel akibat hilangnya muatan listrik pada koloid
- Fase pendispersi pada styrofoam adalah zat...
- Peristiwa penyerapan partikel-partikel pada permukaan zat pada koloid
- Reaksi yang digunakan pada pembuatan koloid dengan cara kondensasi seperti pembuatan sol belerang
- Kemampuan koloid untuk memisahkan ion pengganggu
- Sistem koloid di mana daya tarik zat terdispersinya besar terhadap medium pendispersinya
Down
- Efek penghamburan cahaya oleh partikel koloid disebut efek...
- Jenis koloid yang zat terdispersinya gas
- Pembuatan koloid untuk membuat sol-sol logam dengan cara busur...
- Sol As2S3 yang dalam air mengadsorpsi ion negatif bermuatan...
- Membuat koloid dengan cara menggerus butiran kasar lalu diaduk dalam medium pendispersi
- Peristiwa koagulasi terjadi pada penggumpalan lumpur koloidal dalam air sungai dengan ...
- Tidak dapat dibedakan partikel-partikel campurannya
- Daya tarik zat terdispersi dengan medium pendispersi
- Pergerakan partikel koloid dalam medan listrik
- Sistem koloid di mana daya tarik zat terdispersinya kecil terhadap medium pendispersinya
- Penyebaran partikel zat pada medium koloid
- Prinsip dialisis ada pada proses kerja organ tubuh yaitu ... yang membersihkan darah
- Pembuatan koloid dengan cara memecah partikel besar dengan bantuan zat pemecah
- Jenis koloid yang zat terdispersinya cair
- Koagulasi dapat dilakukan dengan penambahan...
- Koloid yang bersifat dapat melindungi koloid lain dari proses koagulasi disebut koloid...
- Fase terdispersi pada mayonnaise adalah zat...
- Fase terdispersi pada batu apung adalah zat...
- Gerakan acak jalur zig-zag partikel koloid dalam medium pendispersi disebut gerak...
- Sol Fe2(OH)3 yang dalam air mengadsorpsi ion positif bermuatan...
- Jenis koloid yang zat terdispersinya padat
37 Clues: Emulsi padat • Koloid pelindung pada pembuatan es krim • Jenis koloid yang zat terdispersinya gas • Jenis koloid yang zat terdispersinya cair • Jenis koloid yang fase pendispersinya gas • Penyebaran partikel zat pada medium koloid • Jenis koloid yang zat terdispersinya padat • Fase pendispersi pada styrofoam adalah zat... • Pergerakan partikel koloid dalam medan listrik • ...
chemistry 2020-04-23
Across
- / relating to composed of or using ions
- / substance that takes part in and undergoes change during a reaction
- / the state or process of rotting
- / a state of matter in which it will expand freely
- / a part or aspect of something abstract
- / consisting of two atoms
- / a thing that is composed of two or more seperate elements
- / firm and stable in shape
- / the process of burning something
- / a subscript letter figure or symbol
- / a solid material that is typically hard
Down
- / the combination of ideas to form a theory or system
- / a substance that increases the rate of a chemical reaction/ an action performed or a feeling experienced in response to a situation or event
- / a numerical or constant quantity placed before and multiplying the variable
- / of or containing water typically as a solvent
- / consisting of one atom
- / a substance that flows freely
- / a quantity obtained by multiplying quantities together
- metal / an element or substance that is not a metal
- / relating to or consisting of molecules
20 Clues: / consisting of one atom • / consisting of two atoms • / firm and stable in shape • / a substance that flows freely • / the state or process of rotting • / the process of burning something • / a subscript letter figure or symbol • / relating to composed of or using ions • / a part or aspect of something abstract • / relating to or consisting of molecules • ...
Chemistry 2021-02-12
Across
- what is divided into 4 major components
- what is it called when sediment particles are transported
- What is the most reactive element on the reactivity series
- what rocks are changed by extreme heat and pressure
- what does Fe in the periodic table stand for
- What is formed from hot molten magma
- what is the hottest part of the Earth's structure
- what is it called when rocks are broken down by water, wind and ice
- what is formed from pre-existing rock
- what is the thickest layer of the Earths structure
- what is the thinnest layer of the Earth's structure
- temperatures on rocks causing them to crack
Down
- what is the only metal that is liquid in room temperature
- what is caused by the effects of
- what reaction is occurred when you exchange ions
- what is an element that contains 2 or more atoms
- what is the definition for materials made into different products
- what is it called when plants and animals break down rocks
- what has an equal amount of atoms for each element used
- what is caused by acid rain
- what is the name for a total amount of a substance
- what is used to determine displacement reactions
- what is a substance containing one type of element
- what thick layer is made out of mainly iron and nickel
- what are iron, platinum and uranium all examples of
25 Clues: what is caused by acid rain • what is caused by the effects of • What is formed from hot molten magma • what is formed from pre-existing rock • what is divided into 4 major components • temperatures on rocks causing them to crack • what does Fe in the periodic table stand for • what reaction is occurred when you exchange ions • ...
Chemistry 2021-01-25
Across
- temperature at which a substance becomes a liquid
- a type of change in which the form of matter is altered but one substance is not transformed into another
- property of a substance defining how easily it ignites and burns
- A solid substance that forms from a chemical reaction that takes place in a liquid solution
- chemical reaction in which thermal energy is absorbed
- Combining substances so that new substances are formed that are not separated by normal chemical means
- a chemical substance that produces hydroxide ions in solution and tastes bitter
- property measurable characteristic of matter not involving interactions with other substances
- the characteristic smell of a substance
- The readiness of a substance to produce hydrogen ions
- the characteristic of being able to attract because of an electrical force
- the ability to produce electricity
- measure of acidity or basicity of a substance
- measure of the amount of matter in an object
- chemical substance that produces hydrogen ions in solution and tastes sour
- the ability to be hammered or pressed down
Down
- chemical reaction in which thermal energy is released
- the readiness of a substance to produce hydroxide ions
- temperature at which a liquid substance becomes a gas
- amount of space an object takes up
- the ability to rust do to oxygen
- the characteristic of a slow moving sticky substance
- Property of a substance relating to how easily it reacts with other substances.
- Capacity of an acid to react with a base, measured by the number of hydrogen atoms that can be replaced by a base
- the external features of a substance
- property characteristic of a substance that describes its potential to change when interacting with other substances
- The amount of matter in a defined volume
- process where one or more substances are altered into a new and different substance
- the ability to be drawn out into thin wire
29 Clues: the ability to rust do to oxygen • amount of space an object takes up • the ability to produce electricity • the external features of a substance • the characteristic smell of a substance • The amount of matter in a defined volume • the ability to be drawn out into thin wire • the ability to be hammered or pressed down • measure of the amount of matter in an object • ...
CHEMISTRY 2020-04-28
Across
- numbers 1,2,3,4,5,6,7, 8, 9 are examples of this digits.
- When heated the liquid state turns into gas.
- It is the quantity of matter in the object.
- Has no definite volume and shape and particles are far apart from each other.
- Consist of a dispersed phase or the substance that is dissolved or scattered and a dispersing medium.
- The process wherein gas turns to liquid.
- is the process of simplifying a very large number or a very small number and is used to express multidigit numbers involving many zeros in compact form.
- A process in which the mixture is boiled causing the vapors of the two liquids to form at different temperatures.
- A colloid made up of two liquids that are immiscible and small particles suspended in it.
- the _______ for the exponential term is equal to the number of places the decimal point has been moved.
- It is another method of separating complex mixture, sometimes with the use of paper.
- The dissolving medium in a solution.
- are the digits in any measurement that are known with certainty with an additional one digit which is uncertain.
- They have definite volume and shape and particles are very close to each other.
- This is what you call the liquid that passes through the strainer.
- The ability to scatter a beam of light that passes through it.
- Are all subject to uncertainty.
- the ______ properties of matter are those that can be measured and observed without changing the composition of the substance
- Is determined when a certain quantitative value is relatively close to the "true" value.
- Is the ratio of the mass of an object to the volume it occupies.
- Turning of water into Ice.
- It is the consistency of a result.
- Happens when an ice turns into a liquid state.
- Is a matter that has a definite composition and distinct properties.
Down
- The solid particles are allowed to settle first in the bottom and later the liquid is poured into another container leaving behind the liquid particles.
- A pure substance containing two or more kinds of atom chemically combined in a definite proportion by mass.
- Is also called a solution, it is relatively uniform in composition.
- Is the simplest form of matter since it is composed of only one atom.
- Consists of coarse particles which are visible to the naked eye.
- Also known as extensive Physical property and can be affected by the size and amount of samples.
- The dissolved substance in a solution.
- A type of error that results from the effects of uncontrolled variables in the measurement
- Whether the substance can be easily decomposed or not.
- Are composed of two or more substances combined physically in variable proportions.
- The mixture is poured into a special tube called centrifuge apparatus, and is allowed to spin using centrifugal force.
- A mixture whose composition varies from one position to another within the sample.
- tells how hot or cold an object is.
- whether the substance undergoes combustion or not.
- Whether the substance can damage an organism or not.
- They take the shape of their container but has definite volume, particles are neither too close or too far from each other.
- Is a colloidal system of particles dispersed in gas.
- Are well mixed and behave like a single substance.
- all digits that are not considered as a significant figure.
- The _______ property of matter is the ability of a substance to react with other substances such as air, water, acid and base.
- A type of error that results from other uncertainties that may come from a flaw in the equipment used or the design of the experiment.
- Also called the Intrinsic Physical Property which does not depend on the size or amount of sample
- Is a process of separating the components of a suspension.
- Whether it will break into charged particles when in solution with water or not.
- Is a gas disbursed in a liquid or a solid state.
- Whether it reacts with acids, bases, and oxygen, gas or not.
- Is the amount of space occupied by a substance.
- It is the solid particles that can be strained and that remains on the strainer.
52 Clues: Turning of water into Ice. • Are all subject to uncertainty. • It is the consistency of a result. • tells how hot or cold an object is. • The dissolving medium in a solution. • The dissolved substance in a solution. • The process wherein gas turns to liquid. • It is the quantity of matter in the object. • When heated the liquid state turns into gas. • ...
chemistry 2020-04-28
Across
- is a process used to separate solids from liquids or gases using a filter medium that allows the fluid to pass through but not the solid
- is a material used in chromatography
- s a tabular arrangement of chemical elements that is arranged by increasing atomic number and groups elements according to recurring properties
- is the change in the state of matter from the gas phase to the liquid phase
- property in which any characteristic of matter that does not depend on the amount of the substance present
- The chemistry of biology, the application of the tools and concepts of chemistry to living systems
- is how the elements connect together
- is a branch of chemistry that studies the structure, properties and reactions of organic compounds, which contain carbon in covalent bonding
- the subdivision of chemistry dealing with the qualitative and quantitative determination of chemical components of substances
- is an element that readily forms positive ions (cations) and has metallic bonds
- the branch of chemistry dealing with the relations between the physical properties of substances and their chemical composition and transformations
- is a property of matter that changes as the amount of matter changes
- is any standard used for making comparisons in measurements
- have definite volume and indefinite shape
- a substance that can be broken down into chemically simpler components
- is the phase transition in which gas transforms into solid without passing through
- is a particle made up of two or more atoms that are chemically bonded together
- any sample of matter that has the same physical and chemical properties throughout the sample
- type of chemistry in which concerned with the properties and behavior of inorganic compounds
- is the component of a solution that is present in the greatest amount.
- is a chemical bond that involves the sharing of electron pairs between atoms.
- is defined as a state of matter consisting of particles that have neither a defined volume nor defined shape
- is a conversion of a liquid to its vapor below to boiling temperature of the liquid
- the branch of science that deals with the identification of the substances of which matter is composed
- is a heterogeneous mixture that contains solid particles sufficiently large for sedimentation
- is the process in which a liquid changes to a solid
- consists of a solute and a solvent
Down
- is a substance that has inertia and occupies physical space
- mixture that has the same proportions of its components throughout any given sample
- is an ionic species that has negative charge
- is the relationship between the mass of the substance and how much space it takes up (volume)
- a substance that cannot be broken down into chemically simpler components
- is a state of matter where the gas phase is energized until atomic electrons are no longer associated with any particular atomic nucleus
- also called electrovalent bond, type of linkage formed from the electrostatic attraction between oppositely charged ions in a chemical compound
- is the transition from the solid phase to the gas phase without passing through an intermediate liquid phase
- is a combination of elements
- has definite shape and definite volume
- is the technique of heating a liquid to create vapor which is collected when cooled separate from the original liquid
- is a type of homogeneous mixture in which the dispersed particles do not settle out
- is a method by which a mixture is separated by distributing its components between two phases
- is the universe's fundamental unit of negative charge
- is the smallest object that retains the properties of an element
- is the conversion of a liquid to its vapor below the boiling temperature of the liquid
- mixture that a combinations of two or more substances
- is a process in which you are going to change a different unit to another unit
- atom or group of atoms that bears a positive electric charge
- force that holds atoms together in a metallic substance
- a material composed of two or more substances
- is made by comparing a quantity with a standard unit
- defined as an atom or molecule that has gained or lost one or more of its valence electrons, giving it a net positive or negative electrical charge
50 Clues: is a combination of elements • consists of a solute and a solvent • is a material used in chromatography • is how the elements connect together • has definite shape and definite volume • have definite volume and indefinite shape • is an ionic species that has negative charge • a material composed of two or more substances • ...
CHEMISTRY 2020-05-20
Across
- -the ability of a substance to dissolve in another substance.
- – a zero that always counts as a significant figure.
- – it has a definite shape and a definite volume.
- - a technique used to separate out homogenous mixtures where there is one or more dissolved solids.
- – a type of error wherein the measurement has an equal probability of being high or low.
- - branch of science that deals with the identification of the substances of which matter is composed.
- – is the separation of a mixture by passing it in solution or suspension or as a vapor (as in gas chromatography) through a medium in which the components move at different rates.
- – the ability of a substance to be rolled or pounded into thin sheets
- a negatively charged ion.
- TABLE – a organized chart of all the elements.
- – A zero that does not count as significant figures.
- -it is when a substances react with each other and form one or more new substances.
- – 2 or more substances compound physically in variable proponents.
- – the degree to which a chemical substance or a particular mixture of substance can damage an organism.
- – A branch of chemistry that deals with the study of physics and math.
- - is a form of matter in which many of the electrons wander around freely among the nuclei of the atoms.
- - a method in which two or more components of different sizes are separated from a mixture on the basis of the difference in their sizes.
- – accompanied by or requiring the absorption of heat.
- - is an effective method to separate mixtures comprised of two or more pure liquids.
- – a zero that are only significant if the number contains a decimal point.
- – consist of coarse particles which are visible to the naked eye
- – it has indefinite shape and a definite volume, takes shape of a container.
- – a property that describes a substances ability to participate in chemical reaction.
- – type of chemical bonding wherein it involves the electrostatic attraction between oppositely charged ions.
- – a positively charged ion.
Down
- -type of matter and the way matter is arranged.
- - separation method used to separate out pure substances in mixtures comprised of particles some of which are large enough in size to be captured with a porous material.
- – is when a substance goes from gas to solid.
- definite composition.
- – the ability of a substance to be pulled into a wire.
- – A type of error that occurs in the same direction each time. Often resulting from poor technique.
- – a branch of chemistry that deals with the study of chemical processes that occur inside of living organisms.
- -the ability of two or more substances to chemical combine and form one more new substances.
- -uniterm in composition.
- – composed of an atom.
- – the mass per unit volume of a substance.
- – refers to the agreement of a particular value with the true value.
- – a branch of chemistry that deals with the study of separation, identification, and quantification of chemical components of natural and artificial materials.
- composed of 2 or more atom.
- – substance that is dissolved or scattered and dispersing medium.
- – a chemical reaction that releases energy.
- – Any substance that has mass and takes up space.
- - the ability of a chemical to burn or ignite, causing fire combustion.
- property -a matter that can be observed without changing the matter’s identity.
- - is the method in which heavier components of the mixture are separated from the lighter substances with the help of wind.
- – a branch of chemistry that deals with the study of compounds that are not covered by organic chemistry.
- – the transition of substance directly from the solid to the gas state.
- – A state of matter that have an indefinite shape and indefinite volume.
- – a branch of chemistry which deals with the study of compounds that contain the element carbon and hydrogen.
49 Clues: definite composition. • – composed of an atom. • -uniterm in composition. • a negatively charged ion. • composed of 2 or more atom. • – a positively charged ion. • – the mass per unit volume of a substance. • – a chemical reaction that releases energy. • – is when a substance goes from gas to solid. • -type of matter and the way matter is arranged. • ...
Chemistry 2020-06-02
Across
- is the unit of measurement for amount of substance in the International System of Units.
- is the study of macroscopic, and particulate phenomena in chemical systems in terms of the principles, practices, and concepts of physics such as motion, energy, force, time, thermodynamics, quantum chemistry, statistical mechanics, analytical dynamics and chemical equilibrium.
- are the building blocks of rocks.
- water which collects as droplets on a cold surface when humid air is in contact with it.
- a self-replicating material which is present in nearly all living organisms as the main constituent of chromosomes. It is the carrier of genetic information.
- are the structural units (monomers) that make up proteins. They join together to form short polymer chains called peptides or longer chains called either polypeptides or proteins.
- is a chemical reaction that releases energy through light or heat.
- a coherent, typically large body of matter with no definite shape.
- is one of the four fundamental states of matter.
- is a type of vaporization that occurs on the surface of a liquid as it changes into the gas phase.
- has electrons surrounded by a volume of positive charge, like negatively-charged "plums" embedded in a positively-charged "pudding"
- is the smallest constituent unit of ordinary matter that constitutes a chemical element.
- a substance made by mixing other substances together.
- a chemical reaction that proceeds more rapidly than it ordinarily would because of the influence of a second and faster reaction in the same system.
- able to be dissolved, especially in water.
- is any process which requires or absorbs energy from its surroundings, usually in the form of heat.
- is an element that readily forms positive ions (cations) and has metallic bonds.
- firm and stable in shape; not liquid or fluid.
- is the transition of a substance directly from the solid to the gas state, without passing through the liquid state.
- becoming liquefied by heat.
- are a group in the periodic table consisting of five chemically related elements: fluorine, chlorine, bromine, iodine (I), and astatine.
- is any substance that has mass and takes up space by having volume.
- relating to or denoting chemical bonds formed by the sharing of electrons between atoms.
- a thing that is composed of two or more separate elements; a mixture.
- the medieval forerunner of chemistry, based on the supposed transformation of matter. It was concerned particularly with attempts to convert base metals into gold or to find a universal elixir.
- consisting of parts all of the same kind.
- is a chemical element with the symbol C and atomic number 6. It is nonmetallic and tetravalent—making four electrons available to form covalent chemical bonds.
- is a class of physical phenomena that are mediated by magnetic fields.
Down
- make up a group of chemical elements with similar properties; under standard conditions, they are all odorless, colorless, monatomic gases with very low chemical reactivity.
- Model was the first atomic model and was developed by John Dalton in the early 19th century.
- is a nearly incompressible fluid that conforms to the shape of its container but retains a constant volume independent of pressure.
- cause (a substance) to be deposited in solid form from a solution.
- is the artificial execution of useful chemical reactions to obtain one or several products.
- an expert in chemistry; a person engaged in chemical research or experiments.
- is the study of matter, its properties, how and why substances combine or separate to form other substances, and how substances interact with energy.
- is a branch of chemistry that studies the structure, properties and reactions of organic compounds, which contain carbon in covalent bonding.
- is the sub-field of chemistry dealing with radioactivity, nuclear processes, and transformations in the nuclei of atoms, such as nuclear transmutation and nuclear properties.
- deals with synthesis and behavior of inorganic and organometallic compounds.
- which the negatively charged electrons orbit a small, positively charged nucleus similar to the planets orbiting the sun (except that the orbits are not planar).
- a solution is a special type of homogeneous mixture composed of two or more substances.
- is an element that has properties that are intermediate between those of metals and nonmetals.
- tend to be associated with the vertical columns on the periodic table
- is an electrically neutral group of two or more atoms held together by chemical bonds.
- is the science of obtaining, processing, and communicating information about the composition and structure of matter.
- is the name given to a horizontal row of the periodic table.
- is a branch of chemistry focused on the application of quantum mechanics in physical models and experiments of chemical systems.
- is a pure substance that is made from a single type of atom
- is simply an element that does not display the properties of a metal. It is not defined by what it is, but by what it is not.
- are the chemical elements in group 16 of the periodic table.
- of or denoting a process involving substances in different phases (solid, liquid, or gaseous).
50 Clues: becoming liquefied by heat. • are the building blocks of rocks. • consisting of parts all of the same kind. • able to be dissolved, especially in water. • firm and stable in shape; not liquid or fluid. • is one of the four fundamental states of matter. • a substance made by mixing other substances together. • is a pure substance that is made from a single type of atom • ...
Chemistry 2020-06-02
Across
- is an element that readily forms positive ions (cations) and has metallic bonds.
- becoming liquefied by heat.
- is a type of vaporization that occurs on the surface of a liquid as it changes into the gas phase.
- is the smallest constituent unit of ordinary matter that constitutes a chemical element.
- is a branch of chemistry that studies the structure, properties and reactions of organic compounds, which contain carbon in covalent bonding.
- is the unit of measurement for amount of substance in the International System of Units.
- a thing that is composed of two or more separate elements; a mixture.
- relating to or denoting chemical bonds formed by the sharing of electrons between atoms.
- Model was the first atomic model and was developed by John Dalton in the early 19th century.
- tend to be associated with the vertical columns on the periodic table
- able to be dissolved, especially in water.
- consisting of parts all of the same kind.
- is the name given to a horizontal row of the periodic table.
- is any process which requires or absorbs energy from its surroundings, usually in the form of heat.
- deals with synthesis and behavior of inorganic and organometallic compounds.
- are the structural units (monomers) that make up proteins. They join together to form short polymer chains called peptides or longer chains called either polypeptides or proteins
- is the sub-field of chemistry dealing with radioactivity, nuclear processes, and transformations in the nuclei of atoms, such as nuclear transmutation and nuclear properties.
- a self-replicating material which is present in nearly all living organisms as the main constituent of chromosomes. It is the carrier of genetic information.
- is any substance that has mass and takes up space by having volume.
- are the chemical elements in group 16 of the periodic table.
- is an electrically neutral group of two or more atoms held together by chemical bonds.
- are the building blocks of rocks.
- a coherent, typically large body of matter with no definite shape.
- is a chemical reaction that releases energy through light or heat.
- is one of the four fundamental states of matter.
- is simply an element that does not display the properties of a metal. It is not defined by what it is, but by what it is not.
- is the study of matter, its properties, how and why substances combine or separate to form other substances, and how substances interact with energy.
Down
- is the transition of a substance directly from the solid to the gas state, without passing through the liquid state.
- of or denoting a process involving substances in different phases (solid, liquid, or gaseous).
- is an element that has properties that are intermediate between those of metals and nonmetals.
- is a nearly incompressible fluid that conforms to the shape of its container but retains a constant volume independent of pressure.
- water which collects as droplets on a cold surface when humid air is in contact with it.
- is the science of obtaining, processing, and communicating information about the composition and structure of matter.
- which the negatively charged electrons orbit a small, positively charged nucleus similar to the planets orbiting the sun (except that the orbits are not planar).
- is a chemical element with the symbol C and atomic number 6. It is nonmetallic and tetravalent—making four electrons available to form covalent chemical bonds.
- is a pure substance that is made from a single type of atom
- is the study of macroscopic, and particulate phenomena in chemical systems in terms of the principles, practices, and concepts of physics such as motion, energy, force, time, thermodynamics, quantum chemistry, statistical mechanics, analytical dynamics and chemical equilibrium.
- a solution is a special type of homogeneous mixture composed of two or more substances.
- is the artificial execution of useful chemical reactions to obtain one or several products.
- cause (a substance) to be deposited in solid form from a solution.
- make up a group of chemical elements with similar properties; under standard conditions, they are all odorless, colorless, monatomic gases with very low chemical reactivity.
- a chemical reaction that proceeds more rapidly than it ordinarily would because of the influence of a second and faster reaction in the same system.
- are a group in the periodic table consisting of five chemically related elements: fluorine, chlorine, bromine, iodine (I), and astatine.
- an expert in chemistry; a person engaged in chemical research or experiments.
- the medieval forerunner of chemistry, based on the supposed transformation of matter. It was concerned particularly with attempts to convert base metals into gold or to find a universal elixir.
- firm and stable in shape; not liquid or fluid.
- is a class of physical phenomena that are mediated by magnetic fields.
- is a branch of chemistry focused on the application of quantum mechanics in physical models and experiments of chemical systems.
- has electrons surrounded by a volume of positive charge, like negatively-charged "plums" embedded in a positively-charged "pudding"
- a substance made by mixing other substances together.
50 Clues: becoming liquefied by heat. • are the building blocks of rocks. • consisting of parts all of the same kind. • able to be dissolved, especially in water. • firm and stable in shape; not liquid or fluid. • is one of the four fundamental states of matter. • a substance made by mixing other substances together. • is a pure substance that is made from a single type of atom • ...
Chemistry 2020-06-02
Across
- is the unit of measurement for amount of substance in the International System of Units.
- is the study of macroscopic, and particulate phenomena in chemical systems in terms of the principles, practices, and concepts of physics such as motion, energy, force, time, thermodynamics, quantum chemistry, statistical mechanics, analytical dynamics and chemical equilibrium.
- are the building blocks of rocks.
- water which collects as droplets on a cold surface when humid air is in contact with it.
- a self-replicating material which is present in nearly all living organisms as the main constituent of chromosomes. It is the carrier of genetic information.
- are the structural units (monomers) that make up proteins. They join together to form short polymer chains called peptides or longer chains called either polypeptides or proteins
- is a chemical reaction that releases energy through light or heat.
- a coherent, typically large body of matter with no definite shape.
- is one of the four fundamental states of matter.
- is a type of vaporization that occurs on the surface of a liquid as it changes into the gas phase.
- has electrons surrounded by a volume of positive charge, like negatively-charged "plums" embedded in a positively-charged "pudding"
- is the smallest constituent unit of ordinary matter that constitutes a chemical element.
- a substance made by mixing other substances together.
- a chemical reaction that proceeds more rapidly than it ordinarily would because of the influence of a second and faster reaction in the same system.
- able to be dissolved, especially in water.
- is any process which requires or absorbs energy from its surroundings, usually in the form of heat.
- is an element that readily forms positive ions (cations) and has metallic bonds.
- firm and stable in shape; not liquid or fluid.
- is the transition of a substance directly from the solid to the gas state, without passing through the liquid state.
- becoming liquefied by heat.
- are a group in the periodic table consisting of five chemically related elements: fluorine, chlorine, bromine, iodine (I), and astatine.
- is any substance that has mass and takes up space by having volume.
- relating to or denoting chemical bonds formed by the sharing of electrons between atoms.
- a thing that is composed of two or more separate elements; a mixture.
- the medieval forerunner of chemistry, based on the supposed transformation of matter. It was concerned particularly with attempts to convert base metals into gold or to find a universal elixir.
- consisting of parts all of the same kind.
- is a chemical element with the symbol C and atomic number 6. It is nonmetallic and tetravalent—making four electrons available to form covalent chemical bonds.
- is a class of physical phenomena that are mediated by magnetic fields.
Down
- make up a group of chemical elements with similar properties; under standard conditions, they are all odorless, colorless, monatomic gases with very low chemical reactivity.
- Model was the first atomic model and was developed by John Dalton in the early 19th century.
- is a nearly incompressible fluid that conforms to the shape of its container but retains a constant volume independent of pressure.
- cause (a substance) to be deposited in solid form from a solution.
- is the artificial execution of useful chemical reactions to obtain one or several products.
- an expert in chemistry; a person engaged in chemical research or experiments.
- is the study of matter, its properties, how and why substances combine or separate to form other substances, and how substances interact with energy.
- is a branch of chemistry that studies the structure, properties and reactions of organic compounds, which contain carbon in covalent bonding.
- is the sub-field of chemistry dealing with radioactivity, nuclear processes, and transformations in the nuclei of atoms, such as nuclear transmutation and nuclear properties.
- deals with synthesis and behavior of inorganic and organometallic compounds.
- which the negatively charged electrons orbit a small, positively charged nucleus similar to the planets orbiting the sun (except that the orbits are not planar).
- a solution is a special type of homogeneous mixture composed of two or more substances.
- is an element that has properties that are intermediate between those of metals and nonmetals.
- tend to be associated with the vertical columns on the periodic table
- is an electrically neutral group of two or more atoms held together by chemical bonds.
- is the science of obtaining, processing, and communicating information about the composition and structure of matter.
- is the name given to a horizontal row of the periodic table.
- is a branch of chemistry focused on the application of quantum mechanics in physical models and experiments of chemical systems.
- is a pure substance that is made from a single type of atom
- is simply an element that does not display the properties of a metal. It is not defined by what it is, but by what it is not.
- are the chemical elements in group 16 of the periodic table.
- of or denoting a process involving substances in different phases (solid, liquid, or gaseous).
50 Clues: becoming liquefied by heat. • are the building blocks of rocks. • consisting of parts all of the same kind. • able to be dissolved, especially in water. • firm and stable in shape; not liquid or fluid. • is one of the four fundamental states of matter. • a substance made by mixing other substances together. • is a pure substance that is made from a single type of atom • ...
Chemistry 2020-06-02
Across
- is the science of obtaining, processing, and communicating information about the composition and structure of matter.
- are the chemical elements in group 16 of the periodic table.
- a coherent, typically large body of matter with no definite shape.
- becoming liquefied by heat.
- is one of the four fundamental states of matter.
- are the building blocks of rocks.
- is any substance that has mass and takes up space by having volume.
- has electrons surrounded by a volume of positive charge, like negatively-charged "plums" embedded in a positively-charged "pudding"
- deals with synthesis and behavior of inorganic and organometallic compounds.
- is the smallest constituent unit of ordinary matter that constitutes a chemical element.
- a chemical reaction that proceeds more rapidly than it ordinarily would because of the influence of a second and faster reaction in the same system.
- which the negatively charged electrons orbit a small, positively charged nucleus similar to the planets orbiting the sun (except that the orbits are not planar).
- is a pure substance that is made from a single type of atom
- a thing that is composed of two or more separate elements; a mixture.
- is a chemical reaction that releases energy through light or heat.
- able to be dissolved, especially in water.
- Model was the first atomic model and was developed by John Dalton in the early 19th century.
- is any process which requires or absorbs energy from its surroundings, usually in the form of heat.
- make up a group of chemical elements with similar properties; under standard conditions, they are all odorless, colorless, monatomic gases with very low chemical reactivity.
- an expert in chemistry; a person engaged in chemical research or experiments.
- relating to or denoting chemical bonds formed by the sharing of electrons between atoms.
- is the study of macroscopic, and particulate phenomena in chemical systems in terms of the principles, practices, and concepts of physics such as motion, energy, force, time, thermodynamics, quantum chemistry, statistical mechanics, analytical dynamics and chemical equilibrium.
- is the sub-field of chemistry dealing with radioactivity, nuclear processes, and transformations in the nuclei of atoms, such as nuclear transmutation and nuclear properties.
- a substance made by mixing other substances together.
- is the transition of a substance directly from the solid to the gas state, without passing through the liquid state.
Down
- is the artificial execution of useful chemical reactions to obtain one or several products.
- is an element that readily forms positive ions (cations) and has metallic bonds.
- tend to be associated with the vertical columns on the periodic table
- a solution is a special type of homogeneous mixture composed of two or more substances.
- denoting a process involving substances in different phases (solid, liquid, or gaseous).
- is an element that has properties that are intermediate between those of metals and nonmetals.
- the medieval forerunner of chemistry, based on the supposed transformation of matter. It was concerned particularly with attempts to convert base metals into gold or to find a universal elixir.
- is a nearly incompressible fluid that conforms to the shape of its container but retains a constant volume independent of pressure.
- are the structural units (monomers) that make up proteins. They join together to form short polymer chains called peptides or longer chains called either polypeptides or proteins
- are a group in the periodic table consisting of five chemically related elements: fluorine, chlorine, bromine, iodine (I), and astatine.
- consisting of parts all of the same kind.
- a self-replicating material which is present in nearly all living organisms as the main constituent of chromosomes.
- is simply an element that does not display the properties of a metal. It is not defined by what it is, but by what it is not.
- is the unit of measurement for amount of substance in the International System of Units.
- is a type of vaporization that occurs on the surface of a liquid as it changes into the gas phase.
- is an electrically neutral group of two or more atoms held together by chemical bonds.
- the conversion of a vapor or gas to a liquid.
- is a chemical element with the symbol C and atomic number 6. It is nonmetallic and tetravalent—making four electrons available to form covalent chemical bonds.
- is the name given to a horizontal row of the periodic table.
- cause (a substance) to be deposited in solid form from a solution.
- is a branch of chemistry that studies the structure, properties and reactions of organic compounds, which contain carbon in covalent bonding.
- firm and stable in shape; not liquid or fluid.
- is the study of matter, its properties, how and why substances combine or separate to form other substances, and how substances interact with energy.
- is a class of physical phenomena that are mediated by magnetic fields.
- is a branch of chemistry focused on the application of quantum mechanics in physical models and experiments of chemical systems.
50 Clues: becoming liquefied by heat. • are the building blocks of rocks. • consisting of parts all of the same kind. • able to be dissolved, especially in water. • the conversion of a vapor or gas to a liquid. • firm and stable in shape; not liquid or fluid. • is one of the four fundamental states of matter. • a substance made by mixing other substances together. • ...
Chemistry 2020-06-02
Across
- is the science of obtaining, processing, and communicating information about the composition and structure of matter.
- are the chemical elements in group 16 of the periodic table.
- a coherent, typically large body of matter with no definite shape.
- becoming liquefied by heat.
- is one of the four fundamental states of matter.
- are the building blocks of rocks.
- is any substance that has mass and takes up space by having volume.
- has electrons surrounded by a volume of positive charge, like negatively-charged "plums" embedded in a positively-charged "pudding"
- deals with synthesis and behavior of inorganic and organometallic compounds.
- is the smallest constituent unit of ordinary matter that constitutes a chemical element.
- a chemical reaction that proceeds more rapidly than it ordinarily would because of the influence of a second and faster reaction in the same system.
- which the negatively charged electrons orbit a small, positively charged nucleus similar to the planets orbiting the sun (except that the orbits are not planar).
- is a pure substance that is made from a single type of atom
- a thing that is composed of two or more separate elements; a mixture.
- is a chemical reaction that releases energy through light or heat.
- able to be dissolved, especially in water.
- Model was the first atomic model and was developed by John Dalton in the early 19th century.
- is any process which requires or absorbs energy from its surroundings, usually in the form of heat.
- make up a group of chemical elements with similar properties; under standard conditions, they are all odorless, colorless, monatomic gases with very low chemical reactivity.
- an expert in chemistry; a person engaged in chemical research or experiments.
- relating to or denoting chemical bonds formed by the sharing of electrons between atoms.
- is the study of macroscopic, and particulate phenomena in chemical systems in terms of the principles, practices, and concepts of physics such as motion, energy, force, time, thermodynamics, quantum chemistry, statistical mechanics, analytical dynamics and chemical equilibrium.
- is the sub-field of chemistry dealing with radioactivity, nuclear processes, and transformations in the nuclei of atoms, such as nuclear transmutation and nuclear properties.
- a substance made by mixing other substances together.
- is the transition of a substance directly from the solid to the gas state, without passing through the liquid state.
Down
- is the artificial execution of useful chemical reactions to obtain one or several products.
- is an element that readily forms positive ions (cations) and has metallic bonds.
- tend to be associated with the vertical columns on the periodic table
- a solution is a special type of homogeneous mixture composed of two or more substances.
- denoting a process involving substances in different phases (solid, liquid, or gaseous).
- is an element that has properties that are intermediate between those of metals and nonmetals.
- the medieval forerunner of chemistry, based on the supposed transformation of matter. It was concerned particularly with attempts to convert base metals into gold or to find a universal elixir.
- is a nearly incompressible fluid that conforms to the shape of its container but retains a constant volume independent of pressure.
- are the structural units (monomers) that make up proteins. They join together to form short polymer chains called peptides or longer chains called either polypeptides or proteins
- are a group in the periodic table consisting of five chemically related elements: fluorine, chlorine, bromine, iodine (I), and astatine.
- consisting of parts all of the same kind.
- a self-replicating material which is present in nearly all living organisms as the main constituent of chromosomes.
- is simply an element that does not display the properties of a metal. It is not defined by what it is, but by what it is not.
- is the unit of measurement for amount of substance in the International System of Units.
- is a type of vaporization that occurs on the surface of a liquid as it changes into the gas phase.
- is an electrically neutral group of two or more atoms held together by chemical bonds.
- the conversion of a vapor or gas to a liquid.
- is a chemical element with the symbol C and atomic number 6. It is nonmetallic and tetravalent—making four electrons available to form covalent chemical bonds.
- is the name given to a horizontal row of the periodic table.
- cause (a substance) to be deposited in solid form from a solution.
- is a branch of chemistry that studies the structure, properties and reactions of organic compounds, which contain carbon in covalent bonding.
- firm and stable in shape; not liquid or fluid.
- is the study of matter, its properties, how and why substances combine or separate to form other substances, and how substances interact with energy.
- is a class of physical phenomena that are mediated by magnetic fields.
- is a branch of chemistry focused on the application of quantum mechanics in physical models and experiments of chemical systems.
50 Clues: becoming liquefied by heat. • are the building blocks of rocks. • consisting of parts all of the same kind. • able to be dissolved, especially in water. • the conversion of a vapor or gas to a liquid. • firm and stable in shape; not liquid or fluid. • is one of the four fundamental states of matter. • a substance made by mixing other substances together. • ...
CHEMISTRY 2020-05-12
Across
- it will break into charged particles when in solution with water
- force of attraction that holds two atoms together in a molecule
- the ratio of the mass of an object to the volume it occupies
- need only one electron to achieve a noble gas configuration
- reacts with acids, bases, and oxygen, gas, or not
- particles are far apart from each other
- Chemistry of life
- solid to liquid
- particles are neither too close nor too far from each other
- liquid to solid
- substance can damage an organism or not
- formed by electron sharing between the atoms of nonmetals
- can be affected by the size and amount of samples
- a bond in which two atoms share one pair of electrons
- a bond exist when two atoms share three pairs of electron
- ability of the substance to react with other substances
- particles are very close to each other
- simplifying a very large number or a very small number
- colloidal system of particles dispersed in gas
- formed between metal and mon metal elements
- analysis of composition
- simplest form of matter
- matter that has a definite composition and distinct properties
- study of the effect of chemical structure on the physical properties of a substance
- can be measured and observed without changing the composition of the substance
Down
- determined when a certain quantitative value is relatively close to the true value
- gas to liquid
- substance undergoes combustion or not
- tells how hot or cold an object is
- a state in which opposing forces or influences are balanced
- majority of the elements in the periodic table
- radius represents the distance between the nucleus to its valence shell
- solid to gas
- ability of the atom to donate electrons
- liquid to gas
- made up of carbon, hydrogen, oxygen and nitrogen
- composed of two or more substances combined physically in variable proportions
- also called as solution
- dealing with hydrocarbon
- the substance can be easily decomposed or not
- dispersed phase
- consist of coaser particles that are visible to the naked eye
- gas to solid
- does not depend on the size or amount of the sample
- smallest particle of an element
- rightmost part of the periodic table
- formed when two atoms share two pairs of electrons
- quantity of matter in the object
- present in other elements
- the separation of a mixture by passing it in solution or suspension or as a vapor
50 Clues: solid to gas • gas to solid • gas to liquid • liquid to gas • solid to liquid • liquid to solid • dispersed phase • Chemistry of life • also called as solution • analysis of composition • simplest form of matter • dealing with hydrocarbon • present in other elements • smallest particle of an element • quantity of matter in the object • tells how hot or cold an object is • ...
Chemistry 2020-12-21
Across
- H2O
- 9th element of the periodic table
- Be
- second element of the periodic table
- S
- Na
- Smallest thing that can exist
- 6th element of the periodic table
- Ne
- NaCl
- Ni
- the gas we breathe with
Down
- first element of the periodic table
- what goes first metals or non-metals
- third element of the periodic table
- 20th element of the periodic table
- Who invented the periodic table
- P
- Si
- fifth element of the periodic table
- When 2 or more element mixed together but not chemically bonded
- Ar
- when the particles bond together
23 Clues: P • S • Be • Si • Na • Ne • Ar • Ni • H2O • NaCl • the gas we breathe with • Smallest thing that can exist • Who invented the periodic table • when the particles bond together • 9th element of the periodic table • 6th element of the periodic table • 20th element of the periodic table • first element of the periodic table • third element of the periodic table • fifth element of the periodic table • ...
chemistry 2020-12-18
Across
- solution a solution that can have no mre solute dissolve in it
- measure of how much of a solute will dissolve in a solvent
- spread out equally
- the rows of the periodic timetable
- The particles in liquid speeds up and the particles start to escape and turn into air
- a technuiqui to separate to liquids
- contain different types of atoms joined not chemically
- Particles in a solid vibrate and get enough energy to form a liquid
- pressure Gas particles bumping into the side of their container
- a useful way of arranging elements
- different types of atomes bonded chemically
- a substance that is only made of one type of atom
- metal mixture
- move continuously and rapidly
- the reluting table of chromatogrphy
Down
- a solution that has a large amount of solute dissolved
- separate different colours
- strong alkali
- the substance that is doing the dissolving
- a solution that has a small amount of solute in it
- the columns of the periodic timetable
- tiny bit of matter that makes up everything in the universe
- the substance that is being dissolved
- the tiny particle of matter
- contains solutes and solvents
- groups of atoms joined tightly together
- The particles in gas slows down creating a liquid.
- The particles in a liquid slows down creating a solid
- Tiny particles into pollen grains and dust
- contains symbol and numbers of the elements that are bonded in a compound
30 Clues: strong alkali • metal mixture • spread out equally • separate different colours • the tiny particle of matter • contains solutes and solvents • move continuously and rapidly • the rows of the periodic timetable • a useful way of arranging elements • a technuiqui to separate to liquids • the reluting table of chromatogrphy • the columns of the periodic timetable • ...
Chemistry 2021-03-11
Across
- a consists of highly charged particles with extremely high kinetic energy
- mass, mass in grams of 1 mole of a substance
- substance is the ratio of the mass of a sample of the substance to its volume.
- property, a characteristic of matter that is not associated with a change in its chemical composition
- force exerted per unit area
- units, measurement units for seven fundamental properties (“base units”)
- branch of science that explores the chemical processes within and related to living organisms
- formed when an atom loses one or more electrons.
- transfer of gaseous atoms or molecules from a container to a vacuum through very small openings
- a small relatively heavy, positively charged body
- known as homogeneous mixture
- the nuclei of other elements contain the hydrogen nucleus as a “building block,”
- solution component present in a concentration that is higher relative to other components
- particles are packed tightly together so they don't move much, have a definite shape, as well as mass and volume, and do not conform to the shape of the container in which they are placed
- change from a gaseous state directly to a solid state
- an element could have types of atoms with different masses that were chemically indistinguishable
- pure substances that can be broken down by chemical change
- focuses on carbon containing compounds
- is the smallest particle of an element that has the properties of that element and can enter into a chemical combination.
- refers to the force that gravity exerts on an object
- consists of two or more atoms joined by strong forces called chemical bonds
Down
- ionic compounds that contain water molecules as integral components of their crystals
- the particles are more loosely packed than in a solid and are able to flow around each other, giving the liquid an indefinite shape
- pure substances that cannot be broken down into simple substances by chemical change
- measure of the amount of matter in it
- element that is shiny, malleable, good conductor of heat and electricity
- digits, all of the digits in a measurement, including the uncertain last digit
- the science that deals with the properties, composition, and structure of substances (defined as elements and compounds), the transformations they undergo, and the energy that is released or absorbed during these processes.
- measure of the amount of space occupied by an object.
- study of how matter behaves on a molecular and atomic level and how chemical reactions occur
- polyatomic ions that contain one or more oxygen atoms
- property, change of one type of matter into another type (or the inability to change)
- composed of two or more types of matter that can be present in varying amounts and can be separated by physical changes, such as evaporation
- an abbreviation that we use to indicate an element or an atom of an element.
- compounds with the same chemical formula but different molecular structures
- qualitative term for a solution containing solute at a relatively low concentration
- focuses on compounds that do not contain carbon
- the particles have a great deal of space between them and have high kinetic energy
- an atom that gains one or more electrons will exhibit a negative charge
- quantity having magnitude and direction
- material substance that constitutes the observable universe and, together with energy, forms the basis of all objective phenomena
- the numbers of these subatomic particles are not equal, the atom is electrically charged
- movement of an atom or molecule from a region of relatively high concentration to one of relatively low concentration (discussed in this chapter with regard to gaseous species, but applicable to species in any phase)
- describes the process by which solute components are dispersed in a solvent
- sub-discipline of chemistry that focuses on the chemical synthesis, structure, and chemical and physical properties of polymers and macromolecules.
- change from a gaseous to a liquid state
- such as liters, pounds, and centimeters, are standards of comparison for measurements.
47 Clues: force exerted per unit area • known as homogeneous mixture • measure of the amount of matter in it • focuses on carbon containing compounds • quantity having magnitude and direction • change from a gaseous to a liquid state • mass, mass in grams of 1 mole of a substance • focuses on compounds that do not contain carbon • formed when an atom loses one or more electrons. • ...
Chemistry 2017-03-27
Across
- long-chain molecule formed by the joining of many smaller repeating molecules (Monomers)
- reaction that involves the breakdown of a compound into simpler substances
- reaction/A reaction used to produce solid products from solutions of ionic substances
- acid/An acid which most of its molecules release Hydrogen ions into solution
- rate/How fast or slow a reaction proceeds
- reaction that involves oxygen and releases light and heat energy
- mixture of a solute dissolved in a solvent such as water
- object or a substance that can be broken down by bacteria
- acid/This refers to an acid solution with a high concentration of hydrogen ions
- reaction that involves the building up of compounds by combining simpler substances, normally elements
- number of active molecules in a set volume of solution
- small number of active molecules (such as acid) in a solution
- ion/An ion that does not take part in a chemical reaction
- small molecule from which polymers are made
Down
- of joining of smaller units (Monomers) to form a long-chain molecule (Polymer)
- molecule that contains only Carbon and Hydrogen atoms
- theory/A theory stating that the particles involved in a chemical order to react
- reaction/A reaction that involves the combination of oxygen with a fuel or metal
- reaction in which an acid and a base combine to produce a metal salt and water
- insoluble compound formed in a precipitation reaction
- strong acid readily releases a Hydrogen ion in a chemical reaction; can also be used to describe the bond between different atoms
- substance that increases the rate of a reaction but is not used up in the reaction
22 Clues: rate/How fast or slow a reaction proceeds • small molecule from which polymers are made • molecule that contains only Carbon and Hydrogen atoms • insoluble compound formed in a precipitation reaction • number of active molecules in a set volume of solution • mixture of a solute dissolved in a solvent such as water • ...
Chemistry 2018-10-29
Across
- many of the non metals and hydrogen
- elements ______ be broken down into simpler type of matter
- ________ consist of only kind of atom
- the most reactive non-metals are the __________
- compounds always contain the same ratio of __________
- the heaviest metal on the periodic table
- matter is made up of....
- element's ________ is an abbreviation for the element
- only _______ and bromine can be found as liquid on the periodic table
- where are protons and neutrons found
- energy rings contain what
- lightest non-metal
- pure substances composed of two or more different elements that are chemically joined are called
- electrons the electrons int the outermost shell of any element are called
- only shows the elements symbol and it's outer most electron shell
- what do neutrons have none of
- how many electrons can the 3rd energy ring hold up too.
- is a list of all the elements that can build matter
- what are a good conductors of heat and electricity
- what state of matter does iron appear at room temprature
- what kind of a bond occurs between a non metal and a metal
- adding a neutron makes an _________ of that atom
Down
- anything that takes up space and has mass
- what kind of metals are the most reactive metals
- what kind of gases are stable and do not react with anything
- electrons live in something called shells or _________________
- the ________ & neutrons are found in the center of the area
- The periodic table is a little like the alphabet of.......
- what shows all of the particles in the atom
- isotope is an _______ version of that atom
- how many elements are known at the present time
- number is the number of protons and neutrons
- electrons have _________ charge
- what is it called when there ia a number beside the element's symbol?
- most of the elements on the periodic table occur as ______ at room tempertaure.
- atomic mass is the number of protons and ______
- there are seven elements that form _______ consisting of two atoms
- metals another name for group 5
- determines the number of vaance electrons
- a horizontal row on a period table
- the lightest metal on the periodic table
- what kind of elements are more stable when joined in a pair
42 Clues: lightest non-metal • matter is made up of.... • energy rings contain what • what do neutrons have none of • electrons have _________ charge • metals another name for group 5 • a horizontal row on a period table • many of the non metals and hydrogen • where are protons and neutrons found • ________ consist of only kind of atom • the heaviest metal on the periodic table • ...
Chemistry 2018-06-07
Across
- Medida de cuanta materia hay en un cuerpo
- Instrumento óptico que usa lentes para enfocar la luz para grabar la imagen de un objeto
- Instrumento con una aguja imantada que puede girar libremente. La aguja siempre gira hacia el norte
- Estructura flexible que enfoca la luz que entra al ojo
- Ondas electromagnéticas con longitudes de ondas más cortas
- Instrumento que permite que los objetos pequeños se vean más grandes.
- Poder de atracción o repulsión de los materiales magnéticos
- química: Forma corta y sencilla de mostrar una reacción química usando símbolos
- Material que atrae hierro o materiales que contienen hierro
- tejido transparente que cubre la parte delantera del ojo
- Estado de la materia que no tiene forma definida, pero si de volumen definido
Down
- Trasferencia de energía térmica de un cuerpo mas cálido a uno menos cálido
- estado de la materia sin forma ni volumen definidos
- Capacidad para realizar un trabajo o producir cambios
- Ritmo al que cambia la velocidad
- partícula básica de la que todos los elementos están formados
- Evaporación que ocurre en y bajo la superficie del liquido
- Membrana pequeña, tensa y extendida como la de un tambor.
- medida del espacio entre dos puntos
- estudio de las propiedades de la materia y de sus cambios
- Empuje o atracción que se ejerce sobre un objeto
- eléctrico: Trayecto completo y continuo a través del cual pueden fluir las cargas eléctricas
- eléctrico: Instrumento que convierte la energía eléctrica en energía mecánica
- auditivo: Región estrecha que conecta el exterior del oído humano con el tímpano
24 Clues: Ritmo al que cambia la velocidad • medida del espacio entre dos puntos • Medida de cuanta materia hay en un cuerpo • Empuje o atracción que se ejerce sobre un objeto • estado de la materia sin forma ni volumen definidos • Capacidad para realizar un trabajo o producir cambios • Estructura flexible que enfoca la luz que entra al ojo • ...
Chemistry 2019-03-11
Across
- A attraction between atoms that forms chemical substances
- A metallic mixture of two or more elements
- When an electron is traded between atoms in order to have full outer shells
- A particle in the nucleolus of an atom that has no electric charge
- A process where a set of substances undergo a chemical change the form a different substance
- Organic molecules which make up long chains of components such as DNA and RNA
- The study of compounds that contain the element carbon
- A family of elements that makes up column 18 of the periodic table. They are very stable due to the full outer electron shells
- It occurs between atoms that share a pair of electrons in order to gain full outer shells.
- Organic molecule consisting only of carbon hydrogen and oxygen, and including starches and sugars and play an important role in our daily lives
- Any solution where water is the solvent
- The process that occurs when two or more chemical substances are combined to form another chemical substance
- The ability of a material to be stretched into along wire
- The central core of an atom containing the protons and neutrons
- An electron in an atom that can participate in a chemical bond
- A process used to drive a chemical reaction by using an electrical current. It is often used to separate elements.
- The process of separating mixtures by boiling a liquid and then recovering the cooled gas
- The name of the process when oxygen combines with another element to form a compound
- A basic unit of matter and the smallest unit of an element. It consist of a nucleus which is surrounded by a cloud of electrons
- A pure chemical substance that is made up of one type of atom. Each atom in an element is defined by an atomic number which is the number of protons in the nucleus
- A substance is said to be malleable if it can be pounded into a thin sheet
Down
- A piece of chemistry lab equipment that produces a flame used for lab experiments
- A substance that speeds up the rate of a chemical reaction. It is not consumed in the reaction
- A homogeneous mixture where one substance called the solute is fully dissolved into another substance called the solvent. For example, it is formed when salt dissolves into water to make the solution salt water
- The study of chemical processes as they relate to living organisms
- Organic molecules made up of long chains of amino acids, playing an important role in nearly every process that takes place in cells
- The mass per unit volume of a substance
- It measures the activity of the hydrogen ion in substances. If a substance has a pH less than 7 it is said to be acidic. If its pH is greater than 7 then it is said to be basic or alkaline
- A table of the chemical elements arranged by atomic number
- The elements in the second column of the periodic table
- A compound with a pH of less than 7 that forms hydrogen ions when dissolved in water. They react when coming into contact with bases and some metals to forms salts
- A substance with a pH higher than 7. They are defined as donating a pair of valance electrons
- A material that allows the flow of energy such as heat or electricity
- A particle of an atom that orbits the atom’s nucleus and carries a negative charge
- A method by which carbon is constantly move throughout the biosphere
- A particle within the nucleus of an atom that holds a positive charge.
- A substance that is a good conductor of heat and electricity. They are generally malleable, ductile, and shiny
- Atoms from the same element that have different numbers of neutrons
- An atom or molecule which has a positive or negative charge because the number of electrons does not equal the number of protons
- The elements in the first column in the periodic table with the exception of the hydrogen
- Chemical compounds that are formed by the reaction of an acid and a base
- Organic molecules including fats and waxes; they are used for long terms storage of energy in life forms
- A combination of two or more substances that are not chemically combined
- Different forms in which the same element can exist. For example, the element carbon can take the form of the allotrope graphite or the allotrope diamond
- A pure substance made up of two or more elements
- It is formed when two or more atoms are joined together by a chemical bond
- The central element to all living organisms
47 Clues: The mass per unit volume of a substance • Any solution where water is the solvent • A metallic mixture of two or more elements • The central element to all living organisms • A pure substance made up of two or more elements • The study of compounds that contain the element carbon • The elements in the second column of the periodic table • ...
Chemistry 2017-02-13
Across
- It is part of your blood and is the fourth state of matter.
- The smallest part in an atom with a negative charge.
- An organization of chemical elements in the order of atomic numbers. (2 words)
- This happens when you put mentos in a soda or have pop rocks in your mouth. (2 words)
- Same size as another particle and has no electrical charge.
- The atomic number is the number of how many _______.
- Some people call this word the weather.
- This is when a solid turns straight into a gas.
- Two elements that mix together.
- It is located in the middle of the atom with another particle and has a positive charge.
- A substance you can see when you are cooking.
Down
- When a liquid disappears and goes in the sky.
- One or more atoms.
- The shell of the tiniest part of an atom. (2 words)
- An invisible substance that you can sometimes smell.
- A state of matter you can see that has no definite shape.
- Part of the water cycle when gas turns into a liquid.
- Something that is hard like a rock and is the opposite of hollow.
- It is in the middle of a atom and has protons and neutrons.
- Everything is a solid, plasma, liquid and gas.
20 Clues: One or more atoms. • Two elements that mix together. • Some people call this word the weather. • When a liquid disappears and goes in the sky. • A substance you can see when you are cooking. • Everything is a solid, plasma, liquid and gas. • This is when a solid turns straight into a gas. • The shell of the tiniest part of an atom. (2 words) • ...
Chemistry 2017-02-14
Across
- Smallest particle in a chemical element
- A combination of two or more pure substances
- A substance like ice
- Water to a gas
- The smallest component of an element
- Able to be shaped under pressure
- Able to be toxic or poisonous
- A substance formed when two or more chemical elements are combined
- A substance like air or oxygen
- Has a positive charge
Down
- The branch of science
- A substance like water
- Solid to a liquid
- Copper, Iron, Gold are examples of a
- Able to be bent or formed into wires
- Solid to a gas
- --------table
- Has no charge at all
- Has a negative charge
- The amount of mass in a specified space
20 Clues: --------table • Solid to a gas • Water to a gas • Solid to a liquid • A substance like ice • Has no charge at all • The branch of science • Has a negative charge • Has a positive charge • A substance like water • Able to be toxic or poisonous • A substance like air or oxygen • Able to be shaped under pressure • Copper, Iron, Gold are examples of a • Able to be bent or formed into wires • ...
Chemistry 2016-11-26
Across
- number of protons
- determines the elements reactivity
- has a charge of 0
- have similar chemical properties
- is located in the center of an atom
- has a negative charge
- where electrons are located
- Average mass of all isotopes (varieties) of that element
- determines how many energy levels an atom has
- full outer shell,low reactivity,all part of group 8
- bottom left corner
- charged atoms
Down
- high shine,good conductor,malleable
- calculated by mass#-atomic#
- determines the # of electrons in elements outer shell
- positive charge
- forms between two nonmetals atoms of the same element
- shares properties of both metals and nonmetals
- of elements are called periods
- dull,low shine,poor conductor,breakable
20 Clues: charged atoms • positive charge • number of protons • has a charge of 0 • bottom left corner • has a negative charge • calculated by mass#-atomic# • where electrons are located • of elements are called periods • have similar chemical properties • determines the elements reactivity • high shine,good conductor,malleable • is located in the center of an atom • ...
Chemistry 2017-02-16
Across
- Has a positive charge
- A combination of two or more pure substances
- The amount of mass in a specified space
- The branch of science
- Smallest particle in a chemical element
- Has a negative charge
- Water to a gas
- Solid to a liquid
- Able to be bent or formed into wires
- --------table
- A substance like ice
Down
- The smallest component of an element
- Able to be toxic or poisonous
- Solid to a gas
- Able to be shaped under pressure
- A substance formed when two or more chemical elements are combined
- Has no charge at all
- Copper, Iron, Gold are examples of a
- A substance like water
- A substance like air or oxygen
20 Clues: --------table • Solid to a gas • Water to a gas • Solid to a liquid • Has no charge at all • A substance like ice • Has a positive charge • The branch of science • Has a negative charge • A substance like water • Able to be toxic or poisonous • A substance like air or oxygen • Able to be shaped under pressure • The smallest component of an element • Able to be bent or formed into wires • ...
Chemistry 2017-02-08
Across
- mass Weight of element
- Vertical columns on the periodic table
- Dull, poor conductors, not reactive, gas
- Abbreviation of Element
- Made first periodic table of elements
- Ingredients before reaction
- Has positive charge
- Has neutral charge
- The number of atoms before and after a reaction are the same
- Horizontal rows on the periodic table
- Substance in simplest form
- The center of an atom
Down
- Electrons in the outermost layer
- A reaction when heat is created
- Two or more elements put together
- Has negative charge
- Ingredients produced after a reaction
- Space outside of the nucleus
- Form of matter that cannot be further broken down
- Non-Reactive, stable
- Have properties of metals and nonmetal
- Creation of a solid
- A reaction when heat is absorbed
- Suggested that electrons move from one orbital to the other in large steps
- Group of atoms linked together
- Shiny, conductor, reactive, solid
26 Clues: Has neutral charge • Has negative charge • Creation of a solid • Has positive charge • Non-Reactive, stable • The center of an atom • mass Weight of element • Abbreviation of Element • Substance in simplest form • Ingredients before reaction • Space outside of the nucleus • Group of atoms linked together • A reaction when heat is created • Electrons in the outermost layer • ...
Chemistry 2017-10-24
Across
- major component of atmosphere
- period number of erbium
- d and f blocks
- abundant metal in meteorites
- hydrogen-3
- not a dime
- major bone constituent
- 79 protons
- protons plus neutrons
- alkaline earth
- silliest element
- high energy light rays
- invented periodic table
- found in electrical wire
- where protons are found
- pencil lead
- equals atomic number
- inert gas
Down
- positive electron
- occurs at regular intervals
- unreactive
- unstable nucleus
- last naturally-occurring element
- helium-4 nucleus
- same protons different neutrons
- where elements are made
- alkali metal
- periodic table columns
- conducts electricity
- part of scientific notation
- neutral charged particle
- halogen
32 Clues: halogen • inert gas • unreactive • hydrogen-3 • not a dime • 79 protons • pencil lead • alkali metal • d and f blocks • alkaline earth • unstable nucleus • helium-4 nucleus • silliest element • positive electron • conducts electricity • equals atomic number • protons plus neutrons • major bone constituent • high energy light rays • periodic table columns • period number of erbium • where elements are made • ...
Chemistry 2016-08-12
Across
- that has definite shape and volume
- Reaction/a process in which one or more substance are changed into others
- of State/physical process where matter moves from one state to another
- study of composition, structure and properties of matter and the changes matter undergoes
- substance that has definite composition or is used or produced in a chemical process
- on the periodic table
- on the periodic table
- property/ a property that does not change when you take away some of the sample
- of elements with similar characteristics
- Change/changes affecting the form of a chemical substance but not its chemical composition
- that has mass and takes up space
- change during a reaction
- basic unit of a chemical element
Down
- measure of how much matter is in an object
- substance compositing of atoms which all have the same number of protons
- that has neither definite shape or definite volume (free electrical charges causes this to be electrically conductive)
- that has definite volume but takes the shape of its container
- are intermediate of nonmetal and metal
- Property/a property that changes when the size of the sample changes
- conductors of heat and electricity (malleable, ductile and shiny)
- substance formed when two or more chemical elements are chemically bonded together
- that has neither definite shape or definite volume
- metal/poor conductors of heat and electricity (not malleable or ductile)
23 Clues: on the periodic table • on the periodic table • change during a reaction • that has mass and takes up space • basic unit of a chemical element • that has definite shape and volume • are intermediate of nonmetal and metal • of elements with similar characteristics • measure of how much matter is in an object • that has neither definite shape or definite volume • ...
Chemistry 2016-09-26
Across
- compound that forms H+ ions is a solution
- only found in animals
- used to store energy
- have a negative charge
- gives strength to the plant cell
- a very evenly mixed mixture
- have a neutral charge
- starch, glycogen, cellulose
- the substance the solute dissolves in
- compound that forms OH- ions is a solution
- a homogeneous mixture
- solutions with a pH below 7
Down
- speed up the chemical reaction in a cell
- atoms joined together by covalent bonds
- an unevenly mixed mixture
- basic unit of matter
- substance that dissolves
- DNA & RNA are these
- ranges from 0 to 14
- building blocks of nucleic acids
- pure substance of a same type of atom
- solutions with a pH above 7
- prevents sudden changes in pH
- have a positive charge
- chemical combinations of 2+ elements
- the way plants store extra glucose
26 Clues: DNA & RNA are these • ranges from 0 to 14 • basic unit of matter • used to store energy • only found in animals • have a neutral charge • a homogeneous mixture • have a negative charge • have a positive charge • substance that dissolves • an unevenly mixed mixture • solutions with a pH above 7 • a very evenly mixed mixture • starch, glycogen, cellulose • solutions with a pH below 7 • ...
Chemistry 2020-10-12
Across
- I am a gas with 8 protons and 8 neutrons.
- A change of color or temperature can be a sign of a ______ change.
- Chromium-55 is _____ abundant than Chromium-52.
- I am the first element in the 4th period.
- Salad is an example of a _______ mixture.
- Isotopes of an element have the same number of protons but different number of _____.
- My atomic mass is 35.453
- I am a metal that is liquid at room temperature.
- This metalloid has an atomic mass of 28.08
Down
- Saltwater is an example of a _____ mixture.
- Melting is an example of a _________ change.
- Beryllium-9 has ______ protons and 5 neutrons.
- Zinc is this type of pure substance.
- I am a member of the alkaline earth metals in period 4.
- Sulfur-32 is ______ abundant than Sulfur-35.
- You can find me in the group 14 in period 5.
- My atomic number is 79.
- Carbon 13 has 6 protons and ______ neutrons.
- I have 26 protons.
- I am not really an alkali metal, but since I have only 1 electron I behave like them.
- H2SO4 is this type of pure subtance.
- I am a gas with a mass number of 19.
22 Clues: I have 26 protons. • My atomic number is 79. • My atomic mass is 35.453 • Zinc is this type of pure substance. • H2SO4 is this type of pure subtance. • I am a gas with a mass number of 19. • I am a gas with 8 protons and 8 neutrons. • I am the first element in the 4th period. • Salad is an example of a _______ mixture. • This metalloid has an atomic mass of 28.08 • ...
Chemistry 2020-11-09
Across
- a substance changing from but not changing its identity.
- are features that are visible
- something that changes due to the amount.
- features that need special tools to see.
- changing from a solid to liquid state of matter.
- changing from a liquid to a solid.
- the stat of matter that is least energetic.
- state of matter that is energetic but not the most energetic.
- the a substance changing its identity.
- a measure of how hot or cold something is.
- doesn't change due to the amount.
- everything that exists
Down
- how heavy something is
- the amount of space an object takes up.
- The state of matter that is the most energetic.
- a characteristic that can be observed or measured without changing the identity.
- changing from a gas to a liquid.
- used to measure volume.
- changing a liquid to a gas.
- A substances ability to undergo chemical change.
20 Clues: how heavy something is • everything that exists • used to measure volume. • changing a liquid to a gas. • are features that are visible • changing from a gas to a liquid. • doesn't change due to the amount. • changing from a liquid to a solid. • the a substance changing its identity. • the amount of space an object takes up. • features that need special tools to see. • ...
Chemistry 2020-10-18
Across
- A type of substance that contains more than one different type of particles
- A type substance that doesn't include any other different type of particles
- A mixture in which one of the particles are suspended in the other
- Anything that takes up space and has volume
- A state of matter where the particles are loosely bonded together
- Different forms matter can take
- The type of change that makes new or changes matter
- A substance containing two or more substances
- A mixture where you cannot see the separate particles
- A separation method that separates particles based on size
- The type of change that is reversible and doesn't change matter
- Something particles in a solution are mixed in
Down
- A separation method that separates particles based on magnetic properties
- A combination of two or more particles
- A substance made of only one type of atom
- Not able to be dissolved
- A state of matter where the particles are not bonded at all
- A liquid mixture in which the particles are equally distributed and are transparent
- A state of matter where the particles are highly electrified
- The matter being dissolved in a solution
- A heterogeneous mixture has large particles that scatter light
- A mixture where you can see the separate particles
- A separation method that separates particles based on colour
- Able to be dissolved
- A state of matter that has a fixed shape
- A structure in which atoms can form which means all the atoms are joined up with another
26 Clues: Able to be dissolved • Not able to be dissolved • Different forms matter can take • A combination of two or more particles • The matter being dissolved in a solution • A state of matter that has a fixed shape • A substance made of only one type of atom • Anything that takes up space and has volume • A substance containing two or more substances • ...
Chemistry 2020-10-18
Across
- An Item's Ability to Let Electricity Pass Through It
- Uniformly Mixed
- Used to Separate Mixtures of Substances That are Soluble in the Same Solvent
- The Temperature at Which a Substance Freezes
- Smallest Units of Matter
- How Well an Item Dissolves
- Barrier With Holes
- An Item's Ability to Let Heat Pass Through It
- Pouring Off the Supernatant
- A Set of Ideas Used to Explain the Behaviour of Matter
- Irreversible
- The Smallest Type of Matter
- An Item's Ability to Burn
- Large Particles That Do Not Pass Through Filters
Down
- An Item's Heaviness for Its Size
- The Temperature at Which a Substance Boils
- An Item's Ability to Rust
- Reversible
- Mixtures of Pure Substances
- An Item's acidity
- Small Particles That Pass Through Filters
- Two or More Atoms Chemically Bonded Together
- Iron Nickel Cobalt Steel
- Has very small holes
- Substances Made of Different Elements
- Not Uniformly Mixed
- A Material Only Made of One Type of Particle
27 Clues: Reversible • Irreversible • Uniformly Mixed • An Item's acidity • Barrier With Holes • Not Uniformly Mixed • Has very small holes • Smallest Units of Matter • Iron Nickel Cobalt Steel • An Item's Ability to Rust • An Item's Ability to Burn • How Well an Item Dissolves • Mixtures of Pure Substances • Pouring Off the Supernatant • The Smallest Type of Matter • An Item's Heaviness for Its Size • ...
Chemistry 2020-10-22
Across
- charged group of bonded atoms
- dispersion forces
- repulsion between sets of electrons
- a mutual electrical connection
- A covalent bond that is unequal
- Results from sharing electrons
- energy released from ionic compound
- the releative number of atoms
- Chemical bonding from attraction
- model of atomic orbitals
- refers to molecule bonding
- electron configuration with only valence electrons
Down
- formulas
- indicates info about bonds
- simplest units are molecules
- ability to be pulled
- energy to break a chemical bond
- electons are equally shared
- a covalent bond with one pair of shared atoms
- orbitals of equal energy
- bonding between hydrogen
- created by equal but opposite charges
- chemical bonding between metal atoms
- simplest collection of atoms
- double and triple bonds
- ability to be hammered
- a netrual group of atoms
- composed of positive and negative ions
- formula the type of atoms combined
29 Clues: formulas • dispersion forces • ability to be pulled • ability to be hammered • double and triple bonds • orbitals of equal energy • bonding between hydrogen • a netrual group of atoms • model of atomic orbitals • indicates info about bonds • refers to molecule bonding • electons are equally shared • simplest units are molecules • simplest collection of atoms • charged group of bonded atoms • ...
Chemistry 2018-09-02
Across
- ของเเข็งสีเหลืองที่เป็นผลึก
- องค์ประกอบของกระดูกเเละฟัน
- พันธะเคมี ภายในโมเลกุลลักษณะหนึ่ง พันธะโคเวเลนต์เกิดจากอะตอมสองอะตอมใช้เวเลนซ์อิเล็กตรอนหนึ่งคู่หรือมากกว่าร่วมกัน ทำให้เกิดแรงดึงดูดที่รวมอะตอมเป็นโมเลกุลขึ้น
- หมู่3คาบ3
- เป็นก๊าซที่มีสมบัติเป็นไปตามกฎต่างๆของก๊าซ ไม่ว่าที่ภาวะใดๆก็ตาม
- ควันรถ
- อยู่ในปัสสาวะ
- ตัวนำไฟฟ้าที่ดีที่สุด
- หน่วยที่เล็กที่สุด
- การเตรียมสารละลายที่มีความเข้มข้นสูง เมื่อเราเติมน้ําให้สารละลายจะทําให้จํานวนโมลของตัวถูกละลาย (solute) จะเปลี่ยนแต่ปริมาตร ซึ่งมากขึ้นทําให้ความเข้มข้นเจือจางลง
- จะเกิดขึ้นเมื่อ ตัวทำปฏิกิริยา ทำปฏิกิริยาซึ่งกันและกันโดยมีพลังงานกระตุ้น ของปฏิกิริยาเคมีเป็นตัวช่วย
Down
- ผลที่ได้จากการที่การแผ่รังสีของแม่เหล็กไฟฟ้า ถูกแยกออกเป็นองค์ประกอบต่าง ๆ ตามลำดับความยาวคลื่น หรือความถี่ขององค์ประกอบนั้น
- สังกะสี
- อุณหภูมิที่ของแข็งเปลี่ยนสถานะเป็นของเหลว ณ ความดัน ๑ บรรยากาศ, ปกติจะเป็นอุณหภูมิเดียวกันกับจุดเยือกแข็งของสารเดียวกัน.
- กรดในกระเพาะอาหาร
- อุณหภูมิขณะที่ของเหลวมีความดันไอเท่ากับความดันบรรยากาศ ณ อุณหภูมินี้ของเหลวจะเปลี่ยนสถานะเป็นไอได้ทั่วทั้งหมด.
- ส่วนใจกลางของอะตอมของธาตุทุกชนิด ประกอบด้วยอนุภาคมูลฐานที่สำคัญสองชนิด คือโปรตอนและอิเล็กตรอน
- ของเหลวสีเงิน
- อนุภาคมูลฐานชนิดหนึ่ง เป็นองค์ประกอบในนิวเคลียสของอะตอมของธาตุทุกชนิด มีประจุไฟฟ้าบวก มีมวลเท่ากับ 1.67252 x 10-27 กิโลกรัม
- ของผสมเนื้อเดียวล้วน ซึ่งประกอบด้วยสารต่างชนิดกันตั้งแต่ ๒ ชนิดขึ้นไป แผ่กระจายออกเป็นอนุภาคเล็ก ๆ ผสมรวมกันอยู่อย่างสม่ำเสมอ โดยไม่มีปฏิกิริยาเคมีเกิดขึ้น
20 Clues: ควันรถ • สังกะสี • หมู่3คาบ3 • ของเหลวสีเงิน • อยู่ในปัสสาวะ • กรดในกระเพาะอาหาร • หน่วยที่เล็กที่สุด • ตัวนำไฟฟ้าที่ดีที่สุด • องค์ประกอบของกระดูกเเละฟัน • ของเเข็งสีเหลืองที่เป็นผลึก • เป็นก๊าซที่มีสมบัติเป็นไปตามกฎต่างๆของก๊าซ ไม่ว่าที่ภาวะใดๆก็ตาม • ส่วนใจกลางของอะตอมของธาตุทุกชนิด ประกอบด้วยอนุภาคมูลฐานที่สำคัญสองชนิด คือโปรตอนและอิเล็กตรอน • ...
Chemistry 2018-08-30
Across
- a statement of fact, deduced from observation, to the effect that a particular natural or scientific phenomenon always occurs if certain conditions are present.
- a body's relative mass or the quantity of matter contained by it, giving rise to a downward force; the heaviness of a person or thing.
- analysis- analysis using the fact that physical quantities added to or equated with each other must be expressed in terms of the same fundamental quantities (such as mass, length, or time) for inferences to be made about the relations between them.
- a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.
- variable- a variable (often denoted by y ) whose value depends on that of another.
- figures- each of the digits of a number that are used to express it to the required degree of accuracy, starting from the first nonzero digit.
- the quality or state of being correct or precise.
- the branch of science that deals with the identification of the substances of which matter is composed; the investigation of their properties and the ways in which they interact, combine, and change; and the use of these processes to form new substances.
- Factor- an arithmetical multiplier for converting a quantity expressed in one set of units into an equivalent expressed in another.
- the real physical matter of which a person or thing consists and which has a tangible, solid presence.
Down
- a diagram showing the relation between variable quantities, typically of two variables, each measured along one of a pair of axes at right angles.
- thinking-the objective analysis and evaluation of an issue in order to form a judgment.
- the quality, condition, or fact of being exact and accurate.
- variable- a variable (often denoted by x ) whose variation does not depend on that of another.
- a scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.
- method- a method of procedure that has characterized natural science since the 17th century, consisting in systematic observation, measurement, and experiment, and the formulation, testing, and modification of hypotheses.
- a supposition or a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained.
- units- A system of measurement in which the basic units are the meter, the second, and the kilogram.
- intellectual and practical activity encompassing the systematic study of the structure and behavior of the physical and natural world through observation and experiment.
- apparatus- laboratory equipment
- the amount of space that a substance or object occupies, or that is enclosed within a container, especially when great.
- an individual thing regarded as single and complete but which can also form an individual component of a larger or more complex whole.
- a coherent, typically large body of matter with no definite shape.
- a conceptual structure or entity on which something draws or depends.
24 Clues: apparatus- laboratory equipment • the quality or state of being correct or precise. • the quality, condition, or fact of being exact and accurate. • a coherent, typically large body of matter with no definite shape. • a conceptual structure or entity on which something draws or depends. • ...
Chemistry 2021-05-25
Across
- The chemical equation type shown by AB = A + B
- The ______ table is used to identify elements
- The part of an atom with a positive charge
- 14.01 is the atomic ____ of nitrogen
- Has the chemical formula of Pb
- Atomic number of beryllium
- General category of an enzyme that increases the rate of a reaction
- The chemicals that you start with in a chemical reaction
- The numbers that are added in front of a reactant or products when balancing an equation
Down
- The part of an atom with a negative charge
- AB + CD = AD + CB is a double _________
- NaCl is an _____ compound
- A ____ model is used to show the configurations of electrons within an atom
- Element with chemical symbol of U
- When atoms combine to form bigger particles, it is called a _______
- The _____ theory is what is used to help determine whether a rate of reaction is increased or decreased
- The chemicals that you end with in a chemical reaction
- The chemical equation type shown by A + B = AB
- Consisting of two atoms. Hydrogen, Oxygen and Nitrogen are examples.
- the smallest particle that makes up a substance
20 Clues: NaCl is an _____ compound • Atomic number of beryllium • Has the chemical formula of Pb • Element with chemical symbol of U • 14.01 is the atomic ____ of nitrogen • AB + CD = AD + CB is a double _________ • The part of an atom with a negative charge • The part of an atom with a positive charge • The ______ table is used to identify elements • ...
Chemistry 2023-09-18
Across
- what goes first metals or non-metals
- Na
- When 2 or more element mixed together but not chemically bonded
- fifth element of the periodic table
- 9th element of the periodic table
- first element of the periodic table
- 20th element of the periodic table
- second element of the periodic table
- NaCl
- Ni
- Ar
Down
- P
- 6th element of the periodic table
- when the particles bond together
- Who invented the periodic table
- Be
- Smallest thing that can exist
- third element of the periodic table
- the gas we breathe with
- Si
- H2O
- S
- Ne
23 Clues: P • S • Na • Be • Si • Ni • Ne • Ar • H2O • NaCl • the gas we breathe with • Smallest thing that can exist • Who invented the periodic table • when the particles bond together • 6th element of the periodic table • 9th element of the periodic table • 20th element of the periodic table • fifth element of the periodic table • third element of the periodic table • first element of the periodic table • ...
Chemistry 2023-09-29
Across
- A diagonal line indicates what on a phase diagram?
- Amount of matter an object contains
- _____ changes are reversible
- Can only be observed by changing the identity of the substance
- An ice cube melting is an example of what kind of change?
- _____ changes are NOT reversible
- The chemistry of substances that DO contain carbon
- 2 or more elements that are chemically bonded
- Separating a mixture by passing it through a separating material
- A uniform composition throughout a mixture
- Not a uniform composition throughout a mixture
- Separating a mixture by boiling and condensing the vapor
- The chemistry of substances that DO NOT contain carbon
- No definite shape but has definite volume
- Simplest form of matter
- Matter has a uniform and fixed composition, represented by ONE formula
Down
- A problem solving technique used in labs
- A horizontal line indicates what on a phase diagram?
- Can be observed without changing the identity of a substance
- No definite shape or volume
- The acronym used to describe the scientific method
- A proposed explanation for what is observed
- The chemistry of composition of substances
- The chemistry of living organisms
- tells what happens
- One hundred degrees Celsius is what kind of point on a phase diagram?
- Has definite shape and volume
- Grilling a hamburger is an example of what kind of change?
- Zero degrees Celsius is what kind of point on a phase diagram?
- tells why something happens
- Is a non-newtonian fluid
- Made up of one kind of particle and is the category where element and compound belong!
- Has mass and takes up space
33 Clues: tells what happens • Simplest form of matter • Is a non-newtonian fluid • No definite shape or volume • tells why something happens • Has mass and takes up space • _____ changes are reversible • Has definite shape and volume • _____ changes are NOT reversible • The chemistry of living organisms • Amount of matter an object contains • A problem solving technique used in labs • ...
Chemistry 2023-07-31
26 Clues: Cu • CN • NO2 • NO3 • OH- • CO2 • S2- • N3- • Cl- • ClO3 • SO32 • Fe2+ • CO32 • NH4+ • CrO4 • SO42 • AlO3 • Fe3+ • MnO4 • Cu2+ • Cr2O72 • king of acids • atomic mass 35.5 • Type of bond in HCl • gas with rotten egg smell • Type of bond in magnesium chloride
chemistry 2024-05-11
Across
- - molecular model that
- - study of matter and energy and the interactions between them
- - explanation of bonding between two atoms as a result of the overlap of half-filled atomic orbitals.
- - a lipid that contains no carbon-carbon double bonds.
- - element 92 with symbol U.
- - a mixture of pH indicators used to measure pH over a
- - a substance that forms ions in aqueous solution.
- - a UN ID used for the transport of dangerous materials.
- - deoxyribonucleic acd, an organic molecule that codes for proteins.
- - ionizing electromagnetic radiation with a wavelength between 100 nm and 400 nm. Sometimes called black light.
Down
- - process in which a liquid changes to a solid.
- - usually indicated by R, the gas constant is the Boltzmann constant in units of energy per temperature per mole: R = 8.3145 J/mol·K
- - a solution in which solute concentration is lower than its solubility. All solute present dissolves into the solution.
- - a volume containing little to no matter (no pressure).
- - the scattering of a beam of light as is passes through a colloid.
- either refers to a solution that can dissolve more solute or to an organic compound containing double or triple carbon-carbon bonds.
- - outer electron most likely to participate in bond formation or a chemical reaction.
- - a four-digit code used to identify dangerous or flammable chemicals. United Nations Identifier
- - number of electrons needed to fill the outermost electron shell.
- - a standard used for comparison in measurements.
- - unit of mass equal to the mass of one cubic centimeter of water at 4°C.
21 Clues: - molecular model that • - element 92 with symbol U. • - process in which a liquid changes to a solid. • - a standard used for comparison in measurements. • - a substance that forms ions in aqueous solution. • - a lipid that contains no carbon-carbon double bonds. • - a mixture of pH indicators used to measure pH over a • ...
Chemistry 2024-05-08
Across
- Visually separating solids is called?
- How many valence electrons does Nitrogen have?
- Who discovered the nucleus and proton?
- What measurement can temperature be measured in?
- What tends to form covalent bonds?
- Substance that does the dissolving?
- Suspensions can or can’t be separated by filtration?
- What cannot be created or destroyed?
- Substances that can be dissolved?
- Solution that contains less than the maximum amount of solute capable of being dissolved?
- Which group has the highest ionization energy?
- Is metal a conductor or not a conductor?
Down
- More particles equals higher or lower pressure?
- What is a positive ion?
- Who discovered the electron?
- A covalent bond with unequal sharing of e- is a?
- Substances that cannot be dissolved to form a solution?
- Substance that is dissolved?
- Colloids can or can’t be separated by filtration?
- What is a negative ion?
20 Clues: What is a positive ion? • What is a negative ion? • Who discovered the electron? • Substance that is dissolved? • Substances that can be dissolved? • What tends to form covalent bonds? • Substance that does the dissolving? • What cannot be created or destroyed? • Visually separating solids is called? • Who discovered the nucleus and proton? • ...
chemistry 2024-05-20
Across
- table salt
- solid that is dissolved in a solution
- have only 1 valence electron
- made up of long chains of carbon
- has more neutrons than protons
- takes up most of the space of an atom
- different elements bound together
- combination of elements and compounds
- when the solvent is water
- liquid that the solute dissolves into
- when atoms join together to form a molecule
Down
- horizontal groupings in a periodic table
- one carbon and 4 hydrogen atoms
- strong acid in the stomach
- bonding by sharing an electron
- when oppositely charged ions bond
- mixture in which a solid does not dissolve
- the lightest element
- present in all living things
- a liquid mixture
- vertical groupings in periodic tables
- contains only one type of atom
22 Clues: table salt • a liquid mixture • the lightest element • when the solvent is water • strong acid in the stomach • have only 1 valence electron • present in all living things • bonding by sharing an electron • has more neutrons than protons • contains only one type of atom • one carbon and 4 hydrogen atoms • made up of long chains of carbon • when oppositely charged ions bond • ...
Chemistry 2024-08-14
Across
- +ve, -ve, neutral
- the travelling of particles
- Subatomic particles used in reactions
- amount of matter in an object
- Subatomic particle with relative mass of 1
- process of separating two liquids
- Subatomic particle with neutral charge
- movement of particles from higher to lower concentrations
- boiling point increases with ____
- Chemical combination of two or more elements
Down
- Atoms of ___ have the same no. of protons
- loosely packed molecules in this state
- what matter is made up of
- sound travels fastest through this state
- moderate intermolecular space
- Mass No.
- Particles inside it make atomic mass
- solid to gas conversion
- Reacted atoms
- motion in which gas particles move
20 Clues: Mass No. • Reacted atoms • +ve, -ve, neutral • solid to gas conversion • what matter is made up of • the travelling of particles • amount of matter in an object • moderate intermolecular space • process of separating two liquids • boiling point increases with ____ • motion in which gas particles move • Particles inside it make atomic mass • Subatomic particles used in reactions • ...
CHEMISTRY 2024-08-22
Across
- Metal used in galvanization
- Element used in fertilizers
- Alkali metal with atomic number 11
- Lightest noble gas
- Gas making up 78% of Earth's atmosphere
- Halogen used in disinfectants
- State with no definite shape or volume
- Liquid to gas transition
- Noble gas with atomic number 18
- Basis of organic chemistry
Down
- State with definite volume but no definite shape
- Metal used in electrical wiring
- Ionized state of matter
- State with definite shape and volume
- Metal used in construction
- Solid to liquid transition
- Liquid to solid transition
- Gas to liquid transition
- Noble gas with atomic number 10
- Essential for respiration
20 Clues: Lightest noble gas • Ionized state of matter • Gas to liquid transition • Liquid to gas transition • Essential for respiration • Metal used in construction • Solid to liquid transition • Liquid to solid transition • Basis of organic chemistry • Metal used in galvanization • Element used in fertilizers • Halogen used in disinfectants • Metal used in electrical wiring • ...
Chemistry 2024-09-06
Across
- Los elementos o compuestos producidos por una reacción química
- Energía necesaria para que una reacción comience
- Material compuesto por dos o más elementos o compuestos que están mezclados físicamente, pero no combinados químicamente
- Átomos con carga negativa y positiva
- Mantiene unidos los átomos en un compuesto
- Ácidos o bases débiles que pueden reaccionar con ácidos o bases fuertes para evitar cambios bruscos y repentinos en el pH
- Compartición de electrones
- Macromolécula que contiene carbono, hidrógeno, oxígeno y nitrógeno; necesaria por el cuerpo para el crecimiento y la reparación
- Macromoléculas que están hechas principalmente de átomos de carbono e hidrógeno; incluye grasas, aceites y ceras. No son solubles en agua
- Un compuesto que produce iones OH- en una solución
- Subunidad de la cual están compuestos los ácidos nucleicos; compuesto por un azúcar de 5 carbonos, un grupo fosfato y una base nitrogenada
- Atracción entre moléculas de la misma sustancia
- Elementos o compuestos que participan en una reacción química
- Atracción entre moléculas de sustancias diferentes
- Indica la concentración de iones H+ en una solución
- Catalizadores proteicos que aceleran la velocidad de una reacción biológica específica
- Compuesto hecho de átomos de carbono, hidrógeno y oxígeno; fuente principal de energía para el cuerpo
- Atracción entre un átomo de hidrógeno con carga parcial positiva y otro átomo con carga parcial negativa
- Compuesto con un grupo amino en un extremo y un grupo carboxilo en el otro extremo
- Reactivo de la reacción catalizada por la enzima
Down
- Un proceso que cambia, o transforma, un conjunto de compuestos en otro
- Cualquier compuesto que libera iones H+ en la solución
- Atracción leve que se desarrolla entre regiones con carga opuesta de moléculas cercanas
- Sustancia pura que consiste completamente en un tipo de átomo
- Se forma cuando uno o más electrones son transferidos
- La cantidad de energía necesaria para aumentar su temperatura haciendo que sus moléculas se muevan más rápido
- Unidad química pequeña que forma un polímero
- Molécula compuesta por muchos monómeros; forma una macromolécula
- La sustancia que se disuelve
- Macromolécula que contiene hidrógeno, oxígeno, nitrógeno, carbono y fósforo
- Sustancia formada por la combinación química de dos o más elementos en proporciones definidas
- La unidad básica de la materia
- Átomos del mismo elemento que difieren en el número de neutrones que contienen
- El centro del átomo, formado por protones y neutrones
- La sustancia que disuelve el soluto
- Sustancia que acelera la velocidad de las reacciones químicas sin consumirse en la reacción
- Partícula con carga negativa
- Estructura que resulta cuando los átomos se unen mediante un enlace covalente
- Tipo de mezcla en la que todos los componentes están distribuidos uniformemente
- Mezclas de agua y material no disuelto
40 Clues: Compartición de electrones • La sustancia que se disuelve • Partícula con carga negativa • La unidad básica de la materia • La sustancia que disuelve el soluto • Átomos con carga negativa y positiva • Mezclas de agua y material no disuelto • Mantiene unidos los átomos en un compuesto • Unidad química pequeña que forma un polímero • ...
Chemistry 2023-01-30
Across
- In what temperature measurement system is water's boiling point 100?
- A solution containing the maximum amount of solute for a given quantity
- the process of ion capture by the solvent
- The amount of solute that dissolves in a given quantity of a substance
- A solid crystalline compound that contains water molecules as a part of its structure
- A substance that reduces surface tension and increases wetting
- a heterogeneous mixture containing particles, called the dispersed phase, that are spread throughout another substance
- a compound that does not conduct electric currents in a aqueous compound
- The rate at which a solute dissolves
- Snowflakes are six-sided because they are made up of microscopic _________ ice crystals
Down
- What makes water stick to itself and other things?
- An area in the ocean where oxygen concentration is so low that sea life suffocates
- The dissolving medium
- Loss of water by a hydrate
- A heterogeneous mixture from which particles settle out upon standing
- Are not uniform in composition and are not considered solutions
- used for maintaining a dry environment in a lab
- Solutions that are uniform in appearance and composition
- A solution with water as the solvent
- A compound that conducts electric currents when dissolved in an aqueous solution
20 Clues: The dissolving medium • Loss of water by a hydrate • A solution with water as the solvent • The rate at which a solute dissolves • the process of ion capture by the solvent • used for maintaining a dry environment in a lab • What makes water stick to itself and other things? • Solutions that are uniform in appearance and composition • ...
Chemistry 2023-01-30
Across
- heterogeneous mixture where particles settle upon standing
- the dissolved particles (ions polar molecules)
- shows the relationship betwenn solubility and pressure
- defect or irregularity within a crystal
- compound that does not conduct electric current
- areas in the ocean where oxygen concentration is so low animal life suffocates
- solution where water is the solvent
- maximum amount of solute that dissolves in a given quantity of a solvent
- when entire planes of atoms are removed
- amount of solute that dissolves in a given quantity
- not considered solutions
- what solutions are called
Down
- contains more solute
- tension on the surface of a water drop
- reduces surface tension and increases wetting
- compound that conducts electric current when dissolved in an aqueous solution
- is a solid, compound that contains water molecules
- the loss of water by a hydrate
- rate where solution dissolves
- In a solution is the dissolving medium
- a graph of the solubility as a function of temperature
- heterogeneous mixture containig particles
22 Clues: contains more solute • not considered solutions • what solutions are called • rate where solution dissolves • the loss of water by a hydrate • solution where water is the solvent • tension on the surface of a water drop • In a solution is the dissolving medium • defect or irregularity within a crystal • when entire planes of atoms are removed • ...
chemistry 2023-07-04
Across
- causes cooling?
- how hot or cold something is something?
- state of matter of O2?
- intermixing of particles?
- change from gas to solid?
- Rigid state of matter?
- Solids have definite _____?
- 273K= 0^___?
- Matter formed by ____?
- Water at 100^C starts _____?
Down
- liquid to gas?
- Gases are highly ____?
- the amount of water vapor in the air?
- Matter occupies space and have _____?
- mass per unit volume?
- SI unit of temperature?
- smallest possible form?
- shows fluidity?
- change from solid to gas?
- made up of small particles?
20 Clues: 273K= 0^___? • liquid to gas? • causes cooling? • shows fluidity? • mass per unit volume? • state of matter of O2? • Gases are highly ____? • Rigid state of matter? • Matter formed by ____? • SI unit of temperature? • smallest possible form? • intermixing of particles? • change from gas to solid? • change from solid to gas? • Solids have definite _____? • made up of small particles? • ...
Chemistry 2023-02-14
Across
- charged particle
- type of change that transforms something into something else
- solid form of water
- made of 2 or more molecules
- atoms with the same atomic number but with a different mass
- 2 or more atoms combined
- fats,wax,cholesterol or steriods
- made up of sugars
- unable to cut
- type of bond that shares electrons
Down
- makes up of DNA and RNA
- type of bond that gives or receives electrons
- made up of amino acids
- has no charge and it is in the nucleus of an atom
- contains only 1 type of atom
- type of change that changes the properties of matter
- Center of the atom
- positively charged ions
- negatively charged particle
- the atomic _______ is the total number of protons and neutrons in the nucleus
20 Clues: unable to cut • charged particle • made up of sugars • Center of the atom • solid form of water • made up of amino acids • makes up of DNA and RNA • positively charged ions • 2 or more atoms combined • made of 2 or more molecules • negatively charged particle • contains only 1 type of atom • fats,wax,cholesterol or steriods • type of bond that shares electrons • ...
Chemistry 2023-03-03
Across
- Another name of Fraxinus (Biology)
- What is the property of be-8
- What kind of bonding happens between metal and non-metal
- which group does promethium in
- It is gas at room temperature, It’s a halogen
- which metal is liquid at room temperature
- What is the 28th element
- Which subject is the study of living things
- What is the lightest transition metal
- The least stable element
- which halogen is liquid at room temperature
- What is the alkali metal in third period
- What is the property of Carbon-12
- Which element has the boiling point of about 30 degrees
- Symbol of krypton
- Pb
- which group does Lr in
- Who invent this a2 + b2 = c2
- What is UO2(C2H3O2)2·2H2O
- Who discovered the dispersion of light (he comes from Britain)
- Which subject is the study of the world
- Use a word to describe Chemistry (end with “!”)
- Which gas is the third common gas in atmosphere (the second is oxygen)
- Who fond the Radium
- What kind of bonding happens between metals
- Which part of the heart connect with vena cava
- What does ∑ call
- What is the process of solid things transfer to gas state
- What is CaCO3
- Which subject is the study of numbers
- The westernmost country in Africa
- What is the heaviest metal
- What’s the lightest rare gas
- It is a country which has the highest GDP for capita
- What kind of bonding happens between non-metals
- What is the heaviest rare gas
- H
- It is a country which has the highest GDP
- Who invent a formula which could calculate the area of a triangle with tree sides
- It is a country with the most population
- It is a known person accused or suspected of committing a crime
- K
- It is closely related to the concept of remorse, regret, as well as shame
Down
- Na
- Which element has atomic mass of 20
- a pneumoconiosis caused by inhalation of very fine silicate or quartz dust (the longest word in the world)
- It is a representative, deputy or substitute
- Where is bile come from
- Symbol of silicon
- Sn
- What is the provisional name of the 1234567890th element (it’s inexistent) (think about prefixes of numbers)
- What’s the lightest alkaline-earth metals
- Au
- Which part does gas exchanges take place in lungs
- What is the property of Uranium-237
- Which part of the blood vessel connect with left ventricle
- What is HCHO
- What is Fe2(Si2O3)3
- What is the name of C20H35AuO9PS
- What is C6H12O6
- The most reactive discovered alkali metal
- The most common last name in china
- A compound which is made from 3 halogens, it’s a medicine
- At
- Ti
- what’s the lightest metal?
- Which subject is the study of substances
- What does Ti-6Al-4V called
- Which gas is the most common gas in atmosphere
- Salt
- An elemrnt in boron group
- The most stable element
- What is the element that steels made from (apart form iron)
- Which element has 30 electrons
- what is OH
- which group of elements have 8 electrons in the outmost shell
- What does a non-metal form when it contact oxygen and water
- What is C20H40N4S8Se
- What is the formula of anaerobic respiration
- Maximum disturbance caused by a wave measured from middle to the peak or the trough
- HIO3
- Ag
- A gum which is made from hydrogen carbon oxygen sulfur
- It is a ceremonial county of England in East Anglia.
- Fe
85 Clues: H • K • Na • Sn • Au • Pb • At • Ti • Ag • Fe • Salt • HIO3 • what is OH • What is HCHO • What is CaCO3 • What is C6H12O6 • What does ∑ call • Symbol of silicon • Symbol of krypton • What is Fe2(Si2O3)3 • Who fond the Radium • What is C20H40N4S8Se • which group does Lr in • Where is bile come from • The most stable element • What is the 28th element • The least stable element • What is UO2(C2H3O2)2·2H2O • An elemrnt in boron group • ...
Chemistry 2023-05-08
Across
- Mass number = number of ________
- Bond between two metals
- Decay where a neutron changes to a proton and electron
- Material made of only one substance
- Location of most mass of an atom
- Reaction type where new substance is formed
- Type of covalent bond where sharing isn't equal
- Using mass or moles of one substance to find mass or moles of another substance
- Reaction type where substance doesn't change
- 6.022 x 10^23, unit of measure of molecules in a substance
- Bond where metal takes electrons from nonmetal
Down
- Bond where two nonmetals share electrons
- Decay where only energy is released
- Material made of two or more substances
- The _____ of all substances in a reaction must be equal
- All flammable objects catch fire
- Number of protons = atomic ________
- Reaction where a hydrocarbon and oxygen combine to make water and carbon dioxide
- Decay where a helium nucleus is produced
- Row on the periodic table
20 Clues: Bond between two metals • Row on the periodic table • Mass number = number of ________ • All flammable objects catch fire • Location of most mass of an atom • Decay where only energy is released • Material made of only one substance • Number of protons = atomic ________ • Material made of two or more substances • Bond where two nonmetals share electrons • ...
Chemistry 2023-04-24
Across
- Atom's ability to attract electrons
- What element is number 55 on the periodic table
- Stated Electrons orbit the nucleus
- Who discovered electrons
- What element is number 17 on the periodic table
- Stated atoms are divisible
- Formula for Hydrochloric Acid
- How close a measured value is to an accepted value
- Compound for Sodium Bromide
- Formula for Sulfuric Acid
- Round 0.0030042 to 3 sig figs
Down
- How close a series of measurements are to each other
- A study of heat in chemistry
- Two letters you put after an acid, an aqueous solution
- Who revised Rutherford's model
- Finalized the discovery of the proton
- Formula for Nitric Acid
- According to Gay-Lussac's Gas law, as Velocity _________, Temperature increases
- According to Charles' Gas Law, as Volume _________, Temperature increases
- Compound for Nitrogen dichloride
- Round 337157 to 2 sig figs
21 Clues: Formula for Nitric Acid • Who discovered electrons • Formula for Sulfuric Acid • Stated atoms are divisible • Round 337157 to 2 sig figs • Compound for Sodium Bromide • A study of heat in chemistry • Formula for Hydrochloric Acid • Round 0.0030042 to 3 sig figs • Who revised Rutherford's model • Compound for Nitrogen dichloride • Stated Electrons orbit the nucleus • ...
Chemistry 2023-04-24
Across
- a biological catalyst that speeds up a chemical reaction
- a type of reaction when water vapor, and carbon dioxide
- a solution that contains the maximum amount of solution
- cannot be dissolved in water
- all numbers should be written in this form in a chemistry equation
- releasing of energy
- substance going from a water to gas
- poor electrical conductors
- the elements in the front part of a chemical equation
- can conduct energy very well
Down
- negatively charged atoms
- a branch of chemistry that allows you to see the transfer of energy
- positively charged atoms
- substance going from solid straight to
- the thing that organizes all of the elements
- neutral atoms
- the absorption of energy
- how close a series of measurements are to each other
- the elements after the arrow in a chemical equation
- substances that can be dissolved
- can speed up the dissolving rate
21 Clues: neutral atoms • releasing of energy • negatively charged atoms • positively charged atoms • the absorption of energy • poor electrical conductors • cannot be dissolved in water • can conduct energy very well • substances that can be dissolved • can speed up the dissolving rate • substance going from a water to gas • substance going from solid straight to • ...
Chemistry 2023-03-31
Across
- Slightly ill
- A vaccine that uses engineered DNA to induce an immunologic response in the host against bacteria, parasites, viruses, and potentially cancer.
- The act of forbidding something.
- Spread from one person or organism to another by direct or indirect contact
- Of the nature of, caused by, or relating to a virus or viruses
- A sickness characterized by specific signs or symptoms
- A substance used to stimulate immunity to a particular infectious disease or pathogen
- A toxin or other foreign substance which induces an immune response in the body, especially the production of antibodies.
- A physical or mental feature which is regarded as indicating a condition of disease
- A large group of single-cell microorganisms. Some cause infections and disease in animals and humans.
Down
- An English physician and scientist who pioneered the world's first vaccine
- More likely to get a disease than other people, animals, or plants
- Random or without reason.
- Inflammation of the brain.
- A bacterium, virus, or other microorganism that can cause disease.
- Immunize someone against a disease by introducing infective material
- To inoculate with the smallpox virus
- similar or like.
- An infectious viral disease causing fever and a red rash on the skin.
- Necessary or important.
- A complex network of cells, tissues, organs, and the substances they make that help the body fight infections and other diseases
21 Clues: Slightly ill • similar or like. • Necessary or important. • Random or without reason. • Inflammation of the brain. • The act of forbidding something. • To inoculate with the smallpox virus • A sickness characterized by specific signs or symptoms • Of the nature of, caused by, or relating to a virus or viruses • ...
Chemistry 2023-05-18
Across
- A substance that contains only one kind of atom
- Formed by the atom losing valence electrons
- Anything that has mass and takes up space
- An atom that has a different number of neutrons from the element seen on the Periodic Table
- The ability of an atom in a molecule to attract electrons towards itself
- Horizontal columns on the Periodic Table
- A substance that has two or more types of atoms that are chemically combined
- An atom or group of atoms that has a positive or negative charge
- Is a state of matter that has a definite shape and volume
Down
- A combination of two or more substances
- Formed by the atom gaining valence electrons to have a valence of 8
- Is the state of matter that has NO definite shape or volume
- A substance breaks down into two or more simpler substances
- Has no fixed shape or volume, is less dense than solids or liquids
- Vertical columns on the Periodic Table
- The substance you start with
- Two substances combine to form a single new substance
- Smallest particle of an element
- The substance you end up with
- Has a definite volume but takes the shape of its container
20 Clues: The substance you start with • The substance you end up with • Smallest particle of an element • Vertical columns on the Periodic Table • A combination of two or more substances • Horizontal columns on the Periodic Table • Anything that has mass and takes up space • Formed by the atom losing valence electrons • A substance that contains only one kind of atom • ...
Chemistry 2023-08-14
Across
- The mixing of a solid with a liquid to form a solution
- Able to dissolve more solute
- A substance that dissolves in another substance
- A mixture where liquid droplets are suspended in another liquid
- A technique used to separate substances that move at different speeds
- The liquid that is separated out by distillation
- Allowing light to pass through; see-through
- A solid fragment, liquid droplet or gas bubble
- A technique used to separate a substance that floats on another
- A type of mixture made of one substance dissolved in another
- “______” substance: A substance that is made up of only one type of stuff
- A substance with a fixed shape and volume
- Having the same properties throughout
- A combination of substances that can be physically separated
- Solid particles that have settled out of a suspension
- A technique used to recover a liquid from a solution
- Having a high concentration
- The amount of solute dissolved in a certain amount of a solution
Down
- Unable to be dissolved
- A technique used to separate insoluble solids from liquids
- “_______ property” : A property of a substance such as its shape or state of matter
- The liquid that passes through a filter
- Not clear or transparent
- A measure of how easily one substance dissolves in another substance
- A type of mixture with suspended particles that settle and separate over time
- Increasing the concentration of a solution until it becomes saturated
- Having a low concentration
- Any substance that takes up space and has mass
- A change of state from liquid to gas
- A type of mixture with suspended particles that do not separate on their own
- A change of state from gas to liquid
- A particular type of matter
- Able to be dissolved
- The solid that gets trapped by a filter
- A substance with a fixed volume that flows and changes shape
- A substance with no fixed shape or volume
- Unable to dissolve any more solute
- A substance that another substance dissolves in
38 Clues: Able to be dissolved • Unable to be dissolved • Not clear or transparent • Having a low concentration • A particular type of matter • Having a high concentration • Able to dissolve more solute • Unable to dissolve any more solute • A change of state from liquid to gas • A change of state from gas to liquid • Having the same properties throughout • ...
Chemistry 2023-08-28
Across
- a vertical column of elements in the periodic table; elements in a group share chemical properties
- When one or more valence electrons are given from one atom to another atom.
- When two ore more atoms combine. This can be 2 of the same atoms or two different atoms (elements).
- a combination of two or more substances that are not chemically combined
- a substance, body, or device that readily conducts heat, electricity, sound, etc.
- the number of protons in the nucleus of an atom; the atomic number is the same for all atoms of an element
- capable of being extended or shaped by hammering or by pressure from rollers
- Two or more elements that have combined. Most elements are found this way
- Regions of space that consecutively surround the nucleus of an atom.
- ^The electrons in the outermost shell (main energy level) of an atom; these are the electrons involved in forming bonds.
- easily combines with other elements to make new compounds
- easily damaged or destroyed; fragile
- the ratio of the mass of a substance to the volume of the substance
- a subatomic particle that has no charge and is found in the nucleus of an atom
- the physical forms of matter, which include solid, liquid, and gas
- point the temperature at which a liquid becomes a gas
- the state or quality of shining by reflecting light
- an element that is dull and that conducts heat and electricity poorly
- Symbols that show the elements in a compound and the ratio of atoms
Down
- Number of protons and neutrons
- point the temperature at which a solid becomes a liquid
- a subatomic particle that has a negative charge
- does not combine with other elements to make new compounds
- The electrons found on the outer shell of an atom. These electrons are used to form bonds with other atoms.
- A chemical bond that involves sharing a pair of electrons between atoms in a molecule
- an element that is shiny and that conducts heat and electricity well
- the ability of a substance to be pulled into a wire
- one of the elements of Group 17 of the periodic table; halogens combine with most metals to form salts
- elements that have properties of both metals and nonmetals
- an atom's central region, which is made up of protons and neutrons
- a substance, body, or device that readily conducts heat, electricity, sound, etc.
- a horizontal row in the periodic table
- one of the elements of Group 18 of the periodic table; noble gases are unreactive
- subatomic particle that has a positive charge and is found in the nucleus of an atom
- A one or two letter abbreviation for an element
35 Clues: Number of protons and neutrons • easily damaged or destroyed; fragile • a horizontal row in the periodic table • a subatomic particle that has a negative charge • A one or two letter abbreviation for an element • the ability of a substance to be pulled into a wire • the state or quality of shining by reflecting light • ...
Chemistry 2021-09-23
Across
- a measure of the mass per unit of volume of a substance
- a solid formed during a chemical change
- the starting substances in chemical reactions
- a change that results in a new substance being formed
- a change of state from gas to solid
- the change of state when a solid is heated and forms a liquid
- the change of state where a liquid changes to a gas at the surface of the liquid
- a change of state from solid to gas
- a decrease in size
- an increase in size
Down
- describes a process that absorbs energy from the surroundings
- able to be hammered or bent into new shapes
- measures how much space is occupied by a substance
- a change of state where a liquid is heated and changes to a gas within the liquid
- a change that does not result in a new substance being produced
- a cluster of atoms
- a change of state where a gas is cooled and forms a liquid
- liquids that can be mixed
- a mixture of a metal with other metals or non-metals
- the characteristics of a substance
- liquids that do not mix
- the change of state from liquid to solid
- measures how much matter is in a substance
- describes a process that gives off energy in the form of heat, light or sound
- the substances formed in chemical reactions
25 Clues: a cluster of atoms • a decrease in size • an increase in size • liquids that do not mix • liquids that can be mixed • the characteristics of a substance • a change of state from gas to solid • a change of state from solid to gas • a solid formed during a chemical change • the change of state from liquid to solid • measures how much matter is in a substance • ...
Chemistry 2021-10-04
Across
- state in which atoms or molecules are loosely packed together, and can move past each other
- the amount of matter contained in an object
- - substances present after a chemical reaction; the outcome
- - change in the chemical properties of a substance; results in the formation of a new substance
- - mixture in which one substance (solvent) dissolves the other substances (solute)
- - number appearing before a chemical formula in a chemical equation denoting how many molecules of that substance are involved in the reaction
- - vertical column on the Periodic Table of Elements. All of the elements in a group have similar chemical properties
- - describes a substance’s ability to be pounded flat and shaped
- anything that has mass and takes up space
- - Group 1 of the Periodic Table of Elements; highly reactive, soft, and brittle
- a pure substance that cannot be broken down into simpler substances
- - force of attraction between atoms in a molecule through sharing or redistribution of electrons
- - how many electrons an element tends to give away or receive when bonding
- - a process in which chemical bonds are broken and reform in different ways, resulting in the formation of new substances
- the amount of space an object takes up
- - a chemical reaction in which energy is released (through the breaking of chemical bonds). Feels hot to the touch.
- - matter is never created or destroyed; in a chemical reaction, the mass of the reactants is equal to the mass of the products
- - a chemical reaction in which products can escape, resulting in a lower mass
- state in which atoms or molecules are packed closely together and do not move past each other
- - two or more elements chemically bonded together
- - related to the outermost electron orbital of an atom (where bonding takes place)
- - horizontal row on the Periodic Table of Elements. All of the elements in a period have the same number of electron orbitals
- - part of a solution that is dissolved
- negatively charged particle that orbits the nucleus in distinct orbitals (shells)
- - elements that are not malleable, not ductile, are poor conductors, and do not have luster
- a particular kind of matter with uniform properties
- - characteristic of a substance that can be observed or measured without changing the substance
- - substances present before a chemical reaction; the “ingredients”
- the ratio of an object’s mass to its volume
- - shorthand method of describing a chemical reaction
- - two or more substances in the same container, but not chemically bonded to each other
Down
- - Group 2 of the Periodic Table; combine with elements from the Halogens to form salts
- - mixture in which you cannot see the different parts; all of the parts are uniformly distributed
- - change in the physical properties of a substance
- the arrangement and density of atoms or molecules of a substance
- state in which atoms or molecules are far apart from each other and free to move
- - describes a substance’s ability to be stretched thin into wires
- - mixture in which you can see the different parts and they can be easily separated
- - two or more atoms chemically bonded together
- - non-reactive gases. Their valence electron orbitals are full and complete
- - a chemical reaction in which energy is absorbed (through the formation of chemical bonds). Feels cold to the touch.
- - the average combined number of protons and neutrons found in the nucleus of one atom of an element, including all of its isotopes
- - one, two, or three letter abbreviation for an element. First letter is capitalized, second is lowercase.
- - characteristic of a substance that describes its ability to change into other substances
- - chart used to organize known elements by their chemical properties
- - solid that forms as a result of the reaction between two liquids
- - a chemical reaction that is sealed, not allowing products to escape
- the smallest particle of an element that retains the properties of that element
- particle found in the nucleus of an atom that has no charge
- - describes how easily an element will bond with other elements. Depends on valence electrons (outermost shell)
- - elements that share characteristics with metals and nonmetals
- Number - the combined number of protons and neutrons found in the nucleus of one atom of an element
- - the number of protons found in the nucleus of one atom of an element
- - small number appearing after a chemical symbol denoting how many atoms of that element are contained in one molecule of that compound
- - describes a substance’s ability to transfer thermal or electrical energy
- positively charged particle found in the nucleus of an atom
- - hard, malleable, and ductile metals with variable oxidation states; Transition Metals are good conductors of heat and electricity
- - part of a solution that dissolves the other substances
58 Clues: the amount of space an object takes up • - part of a solution that is dissolved • anything that has mass and takes up space • the amount of matter contained in an object • the ratio of an object’s mass to its volume • - two or more atoms chemically bonded together • - two or more elements chemically bonded together • - change in the physical properties of a substance • ...
Chemistry 2021-09-30
Across
- STARTS WITH C AND ENDS WITH R, AND FACING CHEMICALCHANGE
- WHEN IT IS ABSORBED, IT INCREASES THE AMPLITUDE OF THE VIBRATIONS OF THE MOLECULES
- DIRECT CHANGE FROM SOLID TO GASEOUS STATE
- CAUSES THE CHANGE IN STATE, CHEMICAL CHANGE AND EXPANSION OF MATTER
- THE PROCESS OF OCCUPYING LESS SPACE
- A CHANGE WHICH ALTERS THE CHEMICAL COMPOSITION OF MATTER
- POSITIVELY CHARGED
- A STATE OF MATTER WITH NEGLIGIBLE INTERMOLECULAR SPACES
- NO CHARGE
- THIS IS THE TOTAL NUMBER OF PROTONS AND NEUTRONS IN AN ATOM
Down
- A SUBSTANCE PRESENT IN ASHES WHEN PAPER IS BURNT
- OCCUPIES SPACE AND HAS MASS
- OF ICE 0 CELCIUS
- A CHANGE WHERE NO NEW PRODUCT IS FORMED
- ELECTRONS REVOLVE AROUND THE NECLEUS IN PATHWAYS CALLED
- CONTAINS H AND OXYGEN
- THE PART OF A CANDLE WHICH WHEN BURNED LEADS TO THE PRODUCTION OF WATER VAPOUR AND CARBON DIOXIDE
- STARTS WITH A AND ENDS WITH A, CONTAINS 3 ATOMS
- PERSON WHO POSTALATES THAT ATOMS ARE INDIVISIBLE
- MOLECULE CONTAINING 2 ATOMS IS CALLED
- HOW MANY PARTS DOES AN ATOM HAVE?
- MADE OF PROTONS AND ELECTRONS
22 Clues: NO CHARGE • OF ICE 0 CELCIUS • POSITIVELY CHARGED • CONTAINS H AND OXYGEN • OCCUPIES SPACE AND HAS MASS • MADE OF PROTONS AND ELECTRONS • HOW MANY PARTS DOES AN ATOM HAVE? • THE PROCESS OF OCCUPYING LESS SPACE • MOLECULE CONTAINING 2 ATOMS IS CALLED • A CHANGE WHERE NO NEW PRODUCT IS FORMED • DIRECT CHANGE FROM SOLID TO GASEOUS STATE • ...
chemistry 2021-11-11
Across
- , symbol of iron
- , heavier solids settle down at the bottom when mixture is left undisturbed for a while .
- , fibres made from from chemical polymers in a laboratory
- , a molecule of water can be broken down into hydrogen and oxygen by the process of electrolysis
- , atomic number of oxygen
- , atomic number of calcium
- - also called semi-metals
- , The number of protons in the nucleus of an atom
- , exists as liquid
- , atomic no of sulphur
- , water in rivers and oceans provides a surface for ________ and shipping
- , they include harmful and toxic chemicals , suspended wastes and heavy metals .these make the soil unfit to grow crops and are very harmful to animals .
- , core of the pencil is made up of a non toxic mineral called _____ .
- , carbon,oxygen
- ,___ which has chemicals like magnesium , silicon and oxygen
- , atomic number of sodium
- , symbol of magnesium
- , contains penicillin and tetracylin
- , latin name of iron
Down
- , the iron pillar of Qutub Minar is ______ and has not corroded because it is alloy made up of high quality of iron .
- , molecules of compound can be broken down into their elements by a ___________________ only
- , exists as solid
- , _____ is a branch of science that deals with the study of composition properties and structure of substances .
- , Mendeleev listed the ______ known elements and their properties on cards
- - helium,neon,argon,krypton,redon,xenon
- - full form of PET
- , when is world water day celebrated ?
- , latin name of potassium
- , expansion of matter
- , __ litre of water is used to produce one sheet of paper
- , solids cannot be ______ because their molecules are closely packed and have negligible intermolecular spaces
- , smallest unit of matter
- , first synthetic fibre
- , sodium,chloride
- , atomic number of neon
- , a solution is formed when a solute is _______ in water
- , used to cutdown friction
- , ___ is a complex substance made up of pigments, resins , dyes and other particulate material
- , symbol of plumbum
- , he is the symbol of ____
40 Clues: , symbol of iron • , exists as solid • - full form of PET • , exists as liquid • , symbol of plumbum • , latin name of iron • , expansion of matter • , symbol of magnesium • , atomic no of sulphur • , first synthetic fibre • , atomic number of neon • , latin name of potassium • , atomic number of oxygen • - also called semi-metals • , smallest unit of matter • , atomic number of sodium • ...
Chemistry 2021-11-17
Across
- Obtained from plants to make paper
- _________ of salinity in sea water
- Solid to gas
- Symbol of lead
- Harmful substances in water
- Total number of elements known
- Method used to separate pebbles from fine sand
- __________% of freshwater on earth
- Forms the basis of many synthetic fibres
- Also known as parametal
- Type of chemists
Down
- Earth is often referred to as _____
- Carbon atomic number
- Example of pesticide
- Contains penicillin and tetracycline
- An irregular and random motion of gas and liquid molecules
- Used in temperature checking
- Proposed atomic theory of matter
- ______ litres of water needed to make 2 and a half sheets of paper
- Used in rubbers for elasticity
- ______ water is fit for drinking
- Bromine exist as solid/liquid/gas
- Symbol of silver
23 Clues: Solid to gas • Symbol of lead • Type of chemists • Symbol of silver • Carbon atomic number • Example of pesticide • Also known as parametal • Harmful substances in water • Used in temperature checking • Total number of elements known • Used in rubbers for elasticity • Proposed atomic theory of matter • ______ water is fit for drinking • Bromine exist as solid/liquid/gas • ...
chemistry 2021-11-18
Chemistry 2021-11-17
Across
- ______ litres of water needed to make 2 and a half sheets of paper
- Obtained from plants to make paper
- Total number of elements known
- Bromine exist as solid/liquid/gas
- __________% of freshwater on earth
- Contains penicillin and tetracycline
- Also known as parametal
- Example of pesticide
- Earth is often referred to as _____
- Forms the basis of many synthetic fibres
- Carbon atomic number
- Symbol of silver
- Used in temperature checking
- Proposed atomic theory of matter
Down
- Harmful substances in water
- Type of chemists
- An irregular and random motion of gas and liquid molecules
- ______ water is fit for drinking
- _________ of salinity in sea water
- Solid to gas
- Symbol of lead
- Used in rubbers for elasticity
- Method used to separate pebbles from fine sand
23 Clues: Solid to gas • Symbol of lead • Type of chemists • Symbol of silver • Example of pesticide • Carbon atomic number • Also known as parametal • Harmful substances in water • Used in temperature checking • Total number of elements known • Used in rubbers for elasticity • ______ water is fit for drinking • Proposed atomic theory of matter • Bromine exist as solid/liquid/gas • ...
Chemistry 2021-11-19
Across
- ______ litres of water needed to make 2 and a half sheets of paper
- Obtained from plants to make paper
- Total number of elements known
- Bromine exist as solid/liquid/gas
- __________% of freshwater on earth
- Contains penicillin and tetracycline
- Also known as parametal
- Example of pesticide
- Earth is often referred to as _____
- Forms the basis of many synthetic fibres
- Carbon atomic number
- Symbol of silver
- Used in temperature checking
- Proposed atomic theory of matter
Down
- Harmful substances in water
- Type of chemists
- An irregular and random motion of gas and liquid molecules
- ______ water is fit for drinking
- _________ of salinity in sea water
- Solid to gas
- Symbol of lead
- Used in rubbers for elasticity
- Method used to separate pebbles from fine sand
23 Clues: Solid to gas • Symbol of lead • Type of chemists • Symbol of silver • Example of pesticide • Carbon atomic number • Also known as parametal • Harmful substances in water • Used in temperature checking • Total number of elements known • Used in rubbers for elasticity • ______ water is fit for drinking • Proposed atomic theory of matter • Bromine exist as solid/liquid/gas • ...
chemistry 2021-12-10
Across
- positive charge
- not shiny
- shiny
- one or more substances are formed
- shows how mnay molecules are there
- new solid is formed
- the substance changes to a unsual color
- neutral charge
- no new substances are formed
Down
- shatters easily
- can be bent or hammered into a sheet
- small number
- electricity and heat dont pass through
- changes temp not by an outside source
- can be pulled into a wire
- bubbling or steaming
- electricity pass through
- begins to glow or sparkle
- smallest part of an element
- negaitave charge
20 Clues: shiny • not shiny • small number • neutral charge • shatters easily • positive charge • negaitave charge • new solid is formed • bubbling or steaming • electricity pass through • can be pulled into a wire • begins to glow or sparkle • smallest part of an element • no new substances are formed • one or more substances are formed • shows how mnay molecules are there • ...
Chemistry 2022-05-17
Across
- 1s2,2s2,3s2,3p6,4s2
- realtive ability to share electrons
- three forms ae solid,liquid and gas
- not uniform throughout
- when multiplying, what do you do with exponents
- the abbreviation is Ag
- when it goes from liquid to gas
- unsaturated with double bonds
- 1s2,2s2,2p4
- how many electrons go in the "d" shell
- 1s2,2s2,2p6,3s2,3p6
- 1s2,2s2,2p6,3s2,3p6,4s2,3d10,4p5
- [He],2s2,sp2
- how many electrons go in the "f" shell
- captive zeros aren't significant
- a thouroughly tested explanation
- 1s2,2s2,2p5
- [Ar], 4s2,3d10,4p1
Down
- 1s2,2s2,2p6,3s2,3p2
- we measure temperature in what unit?
- when it goes from solid to liquid
- 1s2,2s2,2p6,3s2,3p4
- what shape is the lewis structure for CH4
- NaCl is an ionic compound
- testable explanation
- how many electrons go in the "s" shell
- electrons electrons on outermost ring
- 1s2,2s2,2p3
- when it goes from liquid to solid
- unsaturated with triple bonds
- how many electrons go into the "p" shell
- saturated hydrocarbons
- uniform throughout
- what shape is the lewis structure for CO
- bonds formed by equal sharing of electrons
- 1s2,2s2,2p6,3s2
- when it goes from gas to liquid
- 1s2,2s2,2p6,3s1
38 Clues: 1s2,2s2,2p3 • 1s2,2s2,2p4 • 1s2,2s2,2p5 • [He],2s2,sp2 • 1s2,2s2,2p6,3s2 • 1s2,2s2,2p6,3s1 • uniform throughout • [Ar], 4s2,3d10,4p1 • 1s2,2s2,2p6,3s2,3p2 • 1s2,2s2,3s2,3p6,4s2 • 1s2,2s2,2p6,3s2,3p4 • 1s2,2s2,2p6,3s2,3p6 • testable explanation • not uniform throughout • the abbreviation is Ag • saturated hydrocarbons • NaCl is an ionic compound • unsaturated with triple bonds • ...
Chemistry 2022-05-17
Across
- 1kg gold or 1 kg wool
- what is the first element of the periodic table
- what orbits the electron shell
- what atom has neutral charge
- how many protons does argon have
- has 5 protons and the atomic number is 11
- atom have
- how many protons does oxygen have
- how many protons do lithium have
- how many neutron does pottassium have
- how many protons are there in berylium
- what atom has positive charge
Down
- has proton and neutron
- how much does sodium neutron have
- how much does proton
- who came up with atom structure
- what alkali metal is the most reactive
- how much atomic number have the sodium
- which group does the alkali metals belong
- where rutherford was born
- how many protons does hydrogen have
- what atom has negative charge
- who did the gold foil experiment
- which alkali metal have the highest melting point
- how many electrons are there in atom of carbon
25 Clues: atom have • how much does proton • 1kg gold or 1 kg wool • has proton and neutron • where rutherford was born • what atom has neutral charge • what atom has negative charge • what atom has positive charge • what orbits the electron shell • who came up with atom structure • how many protons does argon have • who did the gold foil experiment • how many protons do lithium have • ...
Chemistry 2022-05-19
Across
- molecules that can be drawn more than one way
- a rule that shows the order in which subshells are filled with electrons
- laws that relate the pressure, volume, and temperature of a gas
- Number of moles of solute per liter of solution
- C7H16
- a particular region where electrons can orbit the nucleus of an atom
- the mass of one mole of a substance
- a horizontal row of the periodic table
- the distance from the nucleus to the outermost electrons of an atom.
- a subdivision of a shell
- electrons in an outer shell of an atom that can be lost to or shared
- hydrocarbon with only single bonds
- attraction between atoms
Down
- a vertical column in the periodic table of elements.
- a region in space occupied by an electron or pair of electrons
- a solid that is dissolved
- the ability of an atom in a molecule to attract shared electrons
- A way of representing atoms or molecules by showing electrons as dots
- hydrocarbon with at least one triple bond
- tiny packets of energy
- the quantitative relationship between constituents in a chemical substance
- a description of the shells, subshells, and orbitals occupied by electrons
- C2H6
- the number of protons in the nucleus of an atom
- degree the solute dissolves
- a compound of hydrogen and carbon
- hydrocarbon with at least one double bond
27 Clues: C2H6 • C7H16 • tiny packets of energy • a subdivision of a shell • attraction between atoms • a solid that is dissolved • degree the solute dissolves • a compound of hydrogen and carbon • hydrocarbon with only single bonds • the mass of one mole of a substance • a horizontal row of the periodic table • hydrocarbon with at least one triple bond • ...
Chemistry 2025-01-16
Across
- Element with the highest atomic number, named after a physicist.
- Type of reaction where a substance burns in the presence of oxygen, often releasing heat and light.
- It supports combustion.
- Subatomic particles found in the nucleus of an atom.
- Term for the smallest unit of a chemical element that retains its properties.
- Term for a mixture where particles are evenly distributed, also used in mathematics.
- Compound with the formula H2SO4, a strong acid used in car batteries.
- It's a combination of sodium and chlorine.
- It's around 78% of Earth's atmosphere.
- Type of bond between sodium and chlorine in NaCl due to the transfer of electrons.
- Acid found in the stomach that aids in digestion. Its formula is HCl.
Down
- Device used to measure atmospheric pressure, sounds like a musical instrument.
- It involves chlorophyll.
- Scientist known for the gold foil experiment and discovering the nucleus of the atom.
- Group 18 elements in the periodic table, known for their lack of reactivity.
- Common name for H2O2, often used as a disinfectant.
- Avogadro's number is related to it.
- Scientist who created the Periodic Table. His last name starts with "M".
- Law that states the volume of gas is inversely proportional to its pressure, named after a scientist with a last name starting with "B".
- It's a gas that plants take in for photosynthesis.
20 Clues: It supports combustion. • It involves chlorophyll. • Avogadro's number is related to it. • It's around 78% of Earth's atmosphere. • It's a combination of sodium and chlorine. • It's a gas that plants take in for photosynthesis. • Common name for H2O2, often used as a disinfectant. • Subatomic particles found in the nucleus of an atom. • ...
Chemistry 2025-01-27
Across
- – Suda həll olunaraq ionlara ayrılan maddə.
- çəki – Molekulun kütləsinin atom vahidi ilə ifadəsi.
- – Maddənin qaz, maye və ya bərk səthdə yığılması prosesi.
- – Kütləsi və həcmi olan hər şey.
- – İki və ya daha çox elementin kimyəvi birləşməsindən əmələ gələn maddə.
- – Elektronların qəbulu ilə müşahidə olunan kimyəvi proses.
- rabitə – Atomlar arasında elektron cütləri ilə əmələ gələn rabitə.
- – Eyni elementin müxtəlif molekulyar və ya kristal formaları.
- – Müsbət yüklü ion.
- – Maddənin ən kiçik hissəciyi, kimyəvi xüsusiyyətlərini saxlayan vahid.
- – Maddənin hansı elementlərdən və onların hansı miqdarlarda təşkil edildiyini göstərir.
Down
- – İki və ya daha çox atomun birləşməsi ilə əmələ gələn hissəcik.
- – Elektrik və istiliyi yaxşı keçirən parlaq, çevik maddələr.
- – Kimyəvi reaksiyanı sürətləndirən, lakin reaksiyada iştirak etməyən maddə.
- – Elektronların itirilməsi ilə müşahidə olunan kimyəvi proses.
- – Elektron almış və ya itirmiş yüklü atom və ya molekul.
- – Eyni növ atomlardan ibarət maddə.
- reaksiya – Maddələrin yeni maddələrə çevrilməsi prosesi.
- dəyəri – Mühitin turşuluq və ya qələviliyi göstəricisi.
- – Mənfi yüklü ion.
20 Clues: – Mənfi yüklü ion. • – Müsbət yüklü ion. • – Kütləsi və həcmi olan hər şey. • – Eyni növ atomlardan ibarət maddə. • – Suda həll olunaraq ionlara ayrılan maddə. • çəki – Molekulun kütləsinin atom vahidi ilə ifadəsi. • dəyəri – Mühitin turşuluq və ya qələviliyi göstəricisi. • – Elektron almış və ya itirmiş yüklü atom və ya molekul. • ...
Chemistry 2024-09-23
Chemistry 2023-12-05
Across
- Smallest particle of an element
- A horizontal row of elements in the periodic table
- Compound A chemical compound that results from the sharing of electrons.
- Metal One of the elements in Groups 3 through 12 of the periodic table. Can have more than one type of charge.
- A positively charged ion (Lose electrons)
- Anything that has mass and takes up space
- The ability of an atom to attract a pair of electrons
- A combination of two or more substances that are not chemically combined
- A substance made up of atoms of two or more different elements joined by chemical bonds
- A negatively charged ion (Gain electrons)
- the amount of matter in an object
Down
- A column on the periodic table
- Compound A compound that consists of positive and negative ions, a complete transfer of ions.
- An element that has properties of both metals and nonmetals
- Electron Electrons on the outermost energy level of an atom
- Elements that are good conductors of heat and electric current.
- Ion Groups of atoms that stay together and have an overall charge and one name
- an element that conducts heat and electricity poorly
- A pure substance made of only one kind of atom
- Atoms or groups of atoms that have a positive or negative charge
20 Clues: A column on the periodic table • Smallest particle of an element • the amount of matter in an object • A positively charged ion (Lose electrons) • Anything that has mass and takes up space • A negatively charged ion (Gain electrons) • A pure substance made of only one kind of atom • A horizontal row of elements in the periodic table • ...
chemistry 2023-10-21
Across
- The process by which a solid becomes a liquid
- Different atoms of the same element
- The process by which a gas becomes a solid
- The vertical column in the periodic table
- The seventh major group of the periodic table
- Electrically neutral subatomic particle found in the nucleus
- A substance containing 2 or more elements which are chemically combined
- number The total number of protons and neutrons in a nucleus
- A substance containing 2 or more elements which are not chemically combined
- The ability of metal to shape has something to do with it
- A substance consisting of atoms which are all the same
- Made of only one type atom
- A horizontal row in the periodic table
Down
- The process by which a solid becomes a gas
- Negatively charged subatomic particle found in the shells around the nucleus
- The first element in the periodic table
- Positively charged subatomic particle found in the centre of the nucleus
- Have the similar meanings to element
- The smallest particle of a chemical element
- 2 or more atoms joined together by covalent bond
- metal The first major group of the periodic table
- The 17th element in the periodic table
- Metal's ability to stretch and shorten has something to do with it
- Substances with this property do not remain at a fixed temperature when molten in a solid-liquid mixture
24 Clues: Made of only one type atom • Different atoms of the same element • Have the similar meanings to element • The 17th element in the periodic table • A horizontal row in the periodic table • The first element in the periodic table • The vertical column in the periodic table • The process by which a solid becomes a gas • The process by which a gas becomes a solid • ...
chemistry 2023-11-07
Across
- and changes of matter reaction rates reactions mechanisms
- changes change where properties of the material change it the identity doesn't
- The charge of a monatomic ion.
- Group 2 elements
- A positively charged ion.
- A one-atom ion
- contains all of the other elements
- element that is a solid at room temperature, a good conductor of heat and electricity, and generally is shiny
- comes from the Greek atomos and means "indivisible.
- energy required to remove an electron from a gaseous atom
- states that when the elements are arranged by increasing atomic number, there is a periodic repetition of their chemical and physical properties
- An ionic compound whose aqueous solution conducts an electric current.
- It has atoms of the original metallic solid replaced by other metallic atoms of similar size.
- Ions made up of more then one atom
Down
- A vertical column of elements in the periodic table; also called a family
- study of motion and forces
- horizontal row on the periodic table
- study of composition of matter and the changes it under goes
- matter and processes of living organisms metabolism fermentation
- The force that holds two atoms together
- group 17 elements
- The simplest ratio of the ions represented in an ionic compound.
- The attraction of a metallic cation for delocalized electrons.
- can be seen, touched, and measured directly
- groups 3-12
- an element that has physical and chemical properties of both metals and nonmetals
- all around one element contains carbon pharmaceuticals and plastics
- atom or group of atoms with a positive or negative charge
- The electrostatic force that holds oppositely charged particles together in an ionic compound.
- elements that are generally gases or dull, brittle solids that are poor conductors of heat and electricity
- indicates the relative ability of an element's atoms to attract electrons in a chemical bond
- A negatively charged ion.
- states that atoms lose, gain or share electrons in order to acquire a full set of eight valence electrons
- study of all living things
- gas group 18 elements; very unreactive
- Group 1 elements; except for H
- A three-dimensional geometric arrangement of particles.
- A mixture of elements that has metallic properties
- Anions that take their name from the root of the element name plus the suffix -ide.
- small particles that make up matter
40 Clues: groups 3-12 • A one-atom ion • Group 2 elements • group 17 elements • A positively charged ion. • A negatively charged ion. • study of motion and forces • study of all living things • The charge of a monatomic ion. • Group 1 elements; except for H • contains all of the other elements • Ions made up of more then one atom • small particles that make up matter • ...
Chemistry 2023-10-16
Across
- Nucleus changes from a higher energy state to a lower energy state, emits photos (energy)
- Bomb made using plutonium
- Two light nuclei combine together to release energy
- Scientist who created the world’s first atomic bomb
- Unstable nucleus changes into another element by shooting out a particle composed of 2 protons and 2 neutrons
- Neutron decays into a proton, nucleus emits a beta particle
- charged atoms that form when an atom loses or gains electrons
- Any chemical element that lie beyond uranium in the periodic table
- Releases energy in the form of ionizing radiation
- Atoms with the same number of protons but different numbers of neutrons
- number of protons on periodic table
Down
- City in Japan where Fat Man was dropped
- Amount of time it takes for one-half of the radioactive isotope to decay
- Splitting of a nucleus into two lighter nuclei
- Bomb made using uranium
- Series of chemical reactions where the products of a reaction contribute to the reactants of another reaction
- Scientist who discovered radium and polonium
- Smallest particle of an element that retains the properties of that element
- City in Japan where Little Boy was dropped
- Emission of ionizing radiation from nuclear decay
- number of how much an element weighs
- Energy that comes from a source and travels through space at the speed of light
22 Clues: Bomb made using uranium • Bomb made using plutonium • number of protons on periodic table • number of how much an element weighs • City in Japan where Fat Man was dropped • City in Japan where Little Boy was dropped • Scientist who discovered radium and polonium • Splitting of a nucleus into two lighter nuclei • Emission of ionizing radiation from nuclear decay • ...
Chemistry 2023-10-26
35 Clues: Fun • AMU • Tin • Lead • Gold • Atom • Xenon • Brass • Helium • Copper • Bronze • Silver • Proton • Bromine • Krypton • Neutron • Mixture • Element • Chlorine • Hydrogen • Electron • Compound • Fluorine • Cellulose • Aluminium • Homogeneous • Acetic Acid • Atomic Mass • Energy Level • Orbital Shell • Heterogeneous • Overall Charge • Periodic Table • Atomic Structure • Valance Electrons
chemistry 2024-01-23
Across
- changes shape and volume
- electrons are 'parked' here
- what you start with in a chemical reaction
- makes it rain!
- more protons than electrons
- we did this in class with dry ice
- a product of combustion
- a type of fuel
- discovered the positive atomic nucleus
- eg. water boiling
- where protons and neutrons are found
- negative atomic particle
- particles vibrate in place
- two or more particles not chemically bound
Down
- anything on the periodic table
- a reaction where new products are formed
- atomic #8
- protons minus electrons
- protons plus electrons
- volume doesn't change but shape can
- two different atoms joined by chemical bond
- a charged particle
- this type of bond gives water cohesion
- more electrons than protons
- determines which element you have
- affect mass number but not atomic number
- same #protons, diff# neutrons
- # 5
28 Clues: # 5 • atomic #8 • makes it rain! • a type of fuel • eg. water boiling • a charged particle • protons plus electrons • protons minus electrons • a product of combustion • changes shape and volume • negative atomic particle • particles vibrate in place • electrons are 'parked' here • more protons than electrons • more electrons than protons • same #protons, diff# neutrons • ...
Chemistry 2024-01-18
Across
- vertical
- where are electrons found
- chemically combined
- h2o
- when things get hot
- protons and neutrons
- superhero element
- whats the staircase in the PT
- sand and water
Down
- burns things
- when things get cold
- unit of measurement for amount of substance
- metal and nonmetal bond
- what identifies an element
- mass/volume
- cannot be broken down
- used to wrap sandwiches
- horizontal
- nuclear radiation
- solid to liquid
20 Clues: h2o • vertical • horizontal • mass/volume • burns things • sand and water • solid to liquid • superhero element • nuclear radiation • chemically combined • when things get hot • when things get cold • protons and neutrons • cannot be broken down • metal and nonmetal bond • used to wrap sandwiches • where are electrons found • what identifies an element • whats the staircase in the PT • ...
chemistry 2024-10-10
Across
- - Atom or molecule with a net electric charge.
- - State of matter with no fixed shape or volume.
- - Measure of thermal energy in a substance.
- - Lipid that stores energy and provides insulation.
- - Sweet carbohydrate used as an energy source.
- - Substance with a pH greater than 7.
- - Reaction involving the loss of electrons.
- - Force applied per unit area in gases or liquids.
- - Element essential for DNA and ATP (P).
- - State of matter that flows and takes the shape of its container.
- - Gas that makes up about 78% of Earth's atmosphere (N).
- - Important electrolyte for cellular function (K).
- - Gaseous state of a substance that is typically a liquid or solid.
- - Reaction involving the gain of electrons.
- - Combination of two or more substances without a chemical reaction.
- - Lightest element, found in water (H).
- - Fundamental element in organic chemistry (C).
- - Mineral important for bones and teeth (Ca).
Down
- - Smallest unit of a chemical compound.
- - Essential liquid for life (H₂O).
- - Physical form of matter: solid, liquid, or gas.
- - Large biomolecule made of amino acids.
- - Main source of energy for living organisms.
- - Prefix indicating one billionth; used in nanotechnology.
- - Substance formed from two or more elements chemically bonded.
- - Disinfectant used in water treatment (Cl).
- - Process where substances transform into new products.
- - Biological catalyst that speeds up chemical reactions.
- - Homogeneous mixture of solute and solvent.
- - Element known for its distinct smell in rotten eggs (S).
- - State of matter with a fixed shape and volume.
- - Alkali metal essential for nerve function (Na).
- - Inert gas used in balloons (He).
- Dioxide - Gas produced during respiration (CO₂).
- - Compound often used in fertilizers (NH₃).
- - Substance with a pH less than 7.
- - Gas needed for respiration (O₂).
- - Mixture where small particles are dispersed but not dissolved.
- - Organic compound commonly used in beverages (e.g., ethanol).
- - Any substance with a defined composition.
40 Clues: - Essential liquid for life (H₂O). • - Inert gas used in balloons (He). • - Substance with a pH less than 7. • - Gas needed for respiration (O₂). • - Substance with a pH greater than 7. • - Smallest unit of a chemical compound. • - Lightest element, found in water (H). • - Large biomolecule made of amino acids. • - Element essential for DNA and ATP (P). • ...
chemistry 2024-10-10
Across
- - Atom or molecule with a net electric charge.
- - State of matter with no fixed shape or volume.
- - Measure of thermal energy in a substance.
- - Lipid that stores energy and provides insulation.
- - Sweet carbohydrate used as an energy source.
- - Substance with a pH greater than 7.
- - Reaction involving the loss of electrons.
- - Force applied per unit area in gases or liquids.
- - Element essential for DNA and ATP (P).
- - State of matter that flows and takes the shape of its container.
- - Gas that makes up about 78% of Earth's atmosphere (N).
- - Important electrolyte for cellular function (K).
- - Gaseous state of a substance that is typically a liquid or solid.
- - Reaction involving the gain of electrons.
- - Combination of two or more substances without a chemical reaction.
- - Lightest element, found in water (H).
- - Fundamental element in organic chemistry (C).
- - Mineral important for bones and teeth (Ca).
Down
- - Smallest unit of a chemical compound.
- - Essential liquid for life (H₂O).
- - Physical form of matter: solid, liquid, or gas.
- - Large biomolecule made of amino acids.
- - Main source of energy for living organisms.
- - Prefix indicating one billionth; used in nanotechnology.
- - Substance formed from two or more elements chemically bonded.
- - Disinfectant used in water treatment (Cl).
- - Process where substances transform into new products.
- - Biological catalyst that speeds up chemical reactions.
- - Homogeneous mixture of solute and solvent.
- - Element known for its distinct smell in rotten eggs (S).
- - State of matter with a fixed shape and volume.
- - Alkali metal essential for nerve function (Na).
- - Inert gas used in balloons (He).
- Dioxide - Gas produced during respiration (CO₂).
- - Compound often used in fertilizers (NH₃).
- - Substance with a pH less than 7.
- - Gas needed for respiration (O₂).
- - Mixture where small particles are dispersed but not dissolved.
- - Organic compound commonly used in beverages (e.g., ethanol).
- - Any substance with a defined composition.
40 Clues: - Essential liquid for life (H₂O). • - Inert gas used in balloons (He). • - Substance with a pH less than 7. • - Gas needed for respiration (O₂). • - Substance with a pH greater than 7. • - Smallest unit of a chemical compound. • - Lightest element, found in water (H). • - Large biomolecule made of amino acids. • - Element essential for DNA and ATP (P). • ...
Chemistry 2024-11-13
Across
- Chemical formula for calcium nitrate
- The term for U+PV
- Name of the person whose law explores the relationship between moles and volume|
- Specific part of the universe that is of interest in the study
- Part of the universe that is NOT of interest in the study
- The term used for when q is positive
- Name of the person whose law explores the relationship between temperature and volume
- Gases behave ___ when at a low pressure and high temperature
- Unit measured in (kg*m^2)/(s^2)
- Apparatus used to measure mass-to-charge ratio
- The name for C3H8
- What equation is used for non-ideal gases
- Name for N2O5
Down
- The Law of Partial Pressures is also known as ___'s Law
- Process by which gas under pressure escapes from one compartment of a container to another by passing through a small opening
- The term used for when q is negative
- Used to describe a reaction that simultaneously oxidizes and reduces an element
- Defined as s or LOWERCASE c
- The umbrella term for U, T, P, V
- The energy of movement
20 Clues: Name for N2O5 • The term for U+PV • The name for C3H8 • The energy of movement • Defined as s or LOWERCASE c • Unit measured in (kg*m^2)/(s^2) • The umbrella term for U, T, P, V • Chemical formula for calcium nitrate • The term used for when q is negative • The term used for when q is positive • What equation is used for non-ideal gases • ...
Chemistry 2024-10-21
Across
- - A substance that accepts protons (H⁺ ions) in a solution and has a pH greater than 7.
- - A distinct form of matter, such as solid, liquid, or gas, characterized by uniform properties.
- - A chemical reaction that combines two or more simple substances to form a more complex product.
- - A substance that dissolves a solute, resulting in a solution, commonly a liquid.
- - The amount of solute present in a given volume of solution, often expressed in molarity.
- Table - A tabular arrangement of chemical elements organized by increasing atomic number and similar properties.
- Reaction - A process that involves the transformation of one set of chemical substances into another.
- - A measure of the average kinetic energy of the particles in a substance, affecting reaction rates.
- Rate - The speed at which a chemical reaction occurs, influenced by factors such as temperature and concentration.
- Bond - A chemical bond formed through the electrostatic attraction between oppositely charged ions.
- - A chemical process in which an atom or molecule loses electrons, often associated with an increase in oxidation state.
- Chemistry - The branch of chemistry that studies the structure, properties, and reactions of carbon-containing compounds.
- - A substance that conducts electricity when dissolved in water or molten, due to the presence of ions.
- - A metabolic process that converts sugar to acids, gases, or alcohol, often used in food production.
- - The substance that is dissolved in a solvent to form a solution.
- - A substance formed when two or more elements are chemically bonded together in fixed proportions.
Down
- - A pure substance that cannot be broken down into simpler substances and is made up of only one type of atom.
- - The calculation of reactants and products in chemical reactions based on the conservation of mass.
- - A type of chemical reaction where a compound breaks down into simpler substances.
- - An organic compound composed exclusively of hydrogen and carbon atoms, foundational in organic chemistry.
- - A mixture of two or more metals, or a metal and another element, designed to enhance properties.
- - A scale used to specify the acidity or basicity of an aqueous solution, ranging from 0 to 14.
- - A solid formed from a solution during a chemical reaction, often resulting from the combination of ions.
- - An atom or molecule that has a net electric charge due to the loss or gain of one or more electrons.
- - The smallest unit of matter that retains the properties of an element.
- - A substance that donates protons (H⁺ ions) in a solution and has a pH less than 7.
- - A group of two or more atoms bonded together, representing the smallest fundamental unit of a chemical compound.
- Bond - A type of chemical bond formed when two atoms share one or more pairs of electrons.
- - A substance that increases the rate of a chemical reaction without being consumed in the process.
- - A chemical reaction that involves the gain of electrons by an atom or molecule, resulting in a decrease in oxidation state.
30 Clues: - The substance that is dissolved in a solvent to form a solution. • - The smallest unit of matter that retains the properties of an element. • - A substance that dissolves a solute, resulting in a solution, commonly a liquid. • - A type of chemical reaction where a compound breaks down into simpler substances. • ...
Chemistry 2024-11-25
Across
- are groups of two or more atoms that are chemically bonded together.
- is anything that has mass and takes up space
- is is the basic unit of matter and the defining structure of elements.
- is when two atoms and one atom transfers electrons to another, making charged ions
- is a measure of the average kinetic energy of the particles in a substance
- has one proton and one electron
- commonly known as salt and substance for human life
- is pure substances that can't be broken down into simpler substances by chemical means
- point a tempture a liquid turns into a vapor
- is a substance formed when two or more different elements are chemically bonded together
- it is a subatomic particle that a carries a negative electric charge.
- refers to a seperation of electric charge within a molecule,leading to the formation of two poles
- are one of the three primary states of matter
- water vapor
- is a substance that can donate a proton to another substance
Down
- is the process of quantifying physical quantities using units.
- is a chemical compound made up of two hydrogen atoms and one oxygen atom, h2o
- is a attrative force that holds atoms together in a molecule
- is a group of two or more atoms that are chemically bonded together.
- it is neutral,neither positive or negative
- is any substance that has defined composition and properties
- bonds are a type of weak chemical bond that is when a hydrogen atom covalently bonded to a highly electrom atom
- the hereditary material in almost all living organisms
- is a highly reactive metal
- is a temperature scale used to measure temperature(for the boiling point)
- a form of matter that has a specific composition and distinct properties
26 Clues: water vapor • is a highly reactive metal • has one proton and one electron • it is neutral,neither positive or negative • is anything that has mass and takes up space • point a tempture a liquid turns into a vapor • are one of the three primary states of matter • commonly known as salt and substance for human life • the hereditary material in almost all living organisms • ...
Chemistry 2025-03-25
Across
- What is the term that refers to the blocking of the strength of the pull between the nucleus and valence electrons
- Tendency for an atom to attract electrons when chemically bonded to another atom
- What group is the only group that do not have defined values for electronegativity
- What rule wants 8 electrons in their outermost shell
- Able to be drawn out into a thin wire
- What state will ionic compounds not conduct an electric current
- What is it called when electrons are shared equally
- Two atoms that have the same electron structure and valence electrons
Down
- What are elements located between groups 3-12 known as
- What is the result of an atom losing electrons
- The elements in group 17 are known as
- One property of nonmetals is that they are
- What is it called when metals can be hammered into different shapes
- What is it called when in a covalent bond electrons are shared unequally
- What are ionic compounds made up of
- What shape will molecules with 5 atoms have
- A double covalent bond consist of how many shared electrons
- What is the result of an atom gaining electrons
- What is the only element in group 1 to bond covalently
- What are electrons in the outermost shell called
20 Clues: What are ionic compounds made up of • The elements in group 17 are known as • Able to be drawn out into a thin wire • One property of nonmetals is that they are • What shape will molecules with 5 atoms have • What is the result of an atom losing electrons • What is the result of an atom gaining electrons • What are electrons in the outermost shell called • ...
Chemistry 2025-03-25
Across
- a kind of bond where electrons are shared
- a neutral subatomic particle
- a bond where electrons are stolen
- positive charged ion
- the electrons on the outer most part of an atom
- a mixture where one substance is dissolved into another
- negative charged ion
- two or more atoms chemically bonded
- a connection that holds atoms together
Down
- a substance of two or more different elements bonded
- a repeating and identifiable thing
- a bad conductor of electricity
- smallest unit of matter
- a process where substances change to a new form
- a positively charged subatomic particle
- a positively or negatively charged particle
- An atom with the same amount of protons but different number of neutrons
- a negatively charged subatomic particle
- a good conductor of electricity
- An element with both properties of metals and nonmetals
20 Clues: positive charged ion • negative charged ion • smallest unit of matter • a neutral subatomic particle • a bad conductor of electricity • a good conductor of electricity • a bond where electrons are stolen • a repeating and identifiable thing • two or more atoms chemically bonded • a connection that holds atoms together • a positively charged subatomic particle • ...
chemistry 2025-05-07
Across
- a thing that is composed of two or more separate elements
- bonding using arrows. loses or gains
- changes from liquid to gas
- chemical symbol of lithium
- 4/2
- 0/-1
- changes from gas to liquid
- has a definite shape
- the amount of matter in an object
- anything that takes up space
Down
- no defined shape but definite volume
- uses circles to show bonding. shares
- have a neutral charge
- a type of reaction that changes the chemical
- basic unit to chemical element
- electron electron in the outermost shell of an atom
- chemical name of Mg
- You can find this by looking at the atomic number
- no defined shape or volume
- the chemical name of Au
20 Clues: 4/2 • 0/-1 • chemical name of Mg • has a definite shape • have a neutral charge • the chemical name of Au • changes from liquid to gas • chemical symbol of lithium • no defined shape or volume • changes from gas to liquid • anything that takes up space • basic unit to chemical element • the amount of matter in an object • no defined shape but definite volume • ...
Chemistry 2025-04-01
Across
- The 45th element on the periodic table
- The Positive sub-atomic particle of an atom
- The Y element of the periodic table
- The number an Atom is put in
- The gas we breath
- A mix of a metal and a non-metal
- The scale to indicate the acidity of an element
- the 10th element of the periodic table
- The KR element on the periodic table
- The weight of an Atom
Down
- The Negative sub-atomic particle of an atom
- Chemical found in Banana
- The HG element on the periodic table
- The shell that the electrons is in
- The fifth element on the periodic table
- The table used to find elements
- Circular container used in experimentation
- The centre of a atom
- The 88th element on the periodic table
- The first element on the periodic table
20 Clues: The gas we breath • The centre of a atom • The weight of an Atom • Chemical found in Banana • The number an Atom is put in • The table used to find elements • A mix of a metal and a non-metal • The shell that the electrons is in • The Y element of the periodic table • The HG element on the periodic table • The KR element on the periodic table • ...
Chemistry 2025-03-16
Across
- Хүхрийн хүчил (H2SO4) ямар төрлийн электролит вэ?
- Зохиомлоор гарган авсан азот,фосфор,кали,зэрэг элементийг найрлагадаа агуулсан бордоо.
- Хийн даралт эзлэхүүний үржвэр температурын ямар ч утганд тогтмол байх тул p1v1=p2v2 байдлаар бичиж болох хууль
- Уурын жижиг хэсгүүд савны хананд учруулах даралт
- Малын өтөг бууц,өндөгний хальс,яс,хулсны нунтаг,шувууны сангаас зэрэг амьтан ургамлын гаралтай бордоо.
- Исэлдүүлэгчийн хүчийг өөрөөр юу гэж хэлдэг вэ?
- Хийн эзлэхүүн,даралт нь температур (Кельвин хуваариар)-аас шугаман хамаардгийг тогтоосон хамаарал
- Стандарт даралтад нэг моль шингэнийг бүрэн ууршуулахад зарцуулагдах энергийг........ гэдэг
- Тогтмол даралт,температурын үед хийн тоо хэмжээг нэмэгдүүлэхэд даралт, температурыг тогтмол хадгалахын тулд эзлэхүүн тэлдэг ба хийн эзлэхүүн тоо хэмжээнээс шууд хамаардаг. Үүнийг ........... гэнэ
Down
- Хийн эзлэхүүн даралт,температур,тоо хэмжээний харилцан хамаарлын тэгшитгэл
- Ангижруулагчийн хүчийг өөрөөр юу гэж хэлдэг вэ?
- Шингэний молекул хооронд үүсэх хүчийг таслахад зарцуулагдах энерги
- Элементийн атомуудын хоорондох зайн хагасаар тодорхойлогдох хэмжигдэхүүн
- Уурын даралт ихэссээр агаарын даралттай тэнцэхэд шингэний гүнээс хийн бөмбөлөг үүсэж тархдаг үзэгдэл
- Хийн шинж чанарыг тайлбарлахад хүндрэлтэй учир идеал хий болгон загварчилж шинж чанарыг тайлбарладаг онол
- Элементийн шинж чанарыг тодорхойлох хамгийн чухал үзүүлэлт
- Ямар эмийн найрлагад Mg(OH)2 ордог вэ?
- Бутаны молекулууд хоорондоо дисперсийн хүчээр холбогдох тул холбоог тасалж ууршуулахад бага энерги зарцуулагдана.Ийм шингэнийг ....... гэдэг
- Ионы нэгдлүүд ямар төрлийн холбоогоор холбогддог вэ?
- Молекул хоорондын хүчийг давахуйц кинетик энергитэй болсон жижиг хэсгүүд шингэний гадаргуугаас хий төлөвт шилждэг үзэгдэл
20 Clues: Ямар эмийн найрлагад Mg(OH)2 ордог вэ? • Исэлдүүлэгчийн хүчийг өөрөөр юу гэж хэлдэг вэ? • Ангижруулагчийн хүчийг өөрөөр юу гэж хэлдэг вэ? • Уурын жижиг хэсгүүд савны хананд учруулах даралт • Хүхрийн хүчил (H2SO4) ямар төрлийн электролит вэ? • Ионы нэгдлүүд ямар төрлийн холбоогоор холбогддог вэ? • Элементийн шинж чанарыг тодорхойлох хамгийн чухал үзүүлэлт • ...
Chemistry 2025-04-09
Across
- another name for a positive ion
- a regular arrangement of particles
- liquid to solid
- poor heat and electricity conductor
- A compound found between oxygen & other elements
- does not react
- not harmful to healths
- breaks easily when stuck
- doesnt react easily
- reacts with substances it comes into contact with
- solid to liquid
- a soluble base
- The center part of an atom, made up of protons and neutrons
- reusing resources
- will dissolve in a solvent
- group 1 of the periodic table
Down
- how fast a reaction is
- ion with a negative charge
- harmful to healths
- another term for heat
- a starting chemical for a reaction
- ion with a positive charge
- gives out heat energy
- a gradual change
- an insoluble chemical produced during a chemical reaction
- has no charge
- another name for a negative ion
- made up of molecules
- burns easily
- solutes dissolve in it
30 Clues: burns easily • has no charge • does not react • a soluble base • liquid to solid • solid to liquid • a gradual change • reusing resources • harmful to healths • doesnt react easily • made up of molecules • another term for heat • gives out heat energy • how fast a reaction is • not harmful to healths • solutes dissolve in it • breaks easily when stuck • ion with a negative charge • ...
chemistry 2025-04-18
Across
- animals breathe it out
- found in water
- used in car battery
- gas used in lighter fluid
- found in earths atmosphere
- gas used in bright signage
- acid found in citrus fruits
- helps fruit ripen
- used on cooking on a grill
- its in pools
- used to preserve specimens
- produced by decomposing organic matter
Down
- comes from volcanos
- used in cleaning electronics
- found in nail polish remover
- found in fire extinguishers
- gas from car exhaust
- gas you breathe in
- acid found in soft drinks
- its in cleaner
20 Clues: its in pools • found in water • its in cleaner • helps fruit ripen • gas you breathe in • comes from volcanos • used in car battery • gas from car exhaust • animals breathe it out • gas used in lighter fluid • acid found in soft drinks • found in earths atmosphere • gas used in bright signage • used on cooking on a grill • used to preserve specimens • found in fire extinguishers • ...
Chemistry 2025-05-12
Chemistry 2024-03-22
Across
- a bond between two non-metals that is a sharing of electrons
- elements that are in the far right of the periodic table
- the indication of polarity in a bond or molecule
- soap is one
- column 17 in the periodic table
- required lab safety gear
- what we call a drawing of the molecular structure
- describes how easily a liquid evaporates
- atom that has gained an electron
- this element has the chemical symbol Na
- the rule about how many electrons to make an atom "happy"
- chemical symbol Hg
Down
- your best friend in chem class
- chemical symbol K
- the shape of a CH4 molecule
- molecules that hold tightly together at the surface of a liquid because of intermolecular forces
- describes how easily a liquid flows
- found in molecules with O,N,F
- a bond between a metal and a non-metal where electrons are fully exchanged
- atom that has lost an electron
- the force that exists between two atoms in a covalent molecule
- chemical symbol W
22 Clues: soap is one • chemical symbol K • chemical symbol W • chemical symbol Hg • required lab safety gear • the shape of a CH4 molecule • found in molecules with O,N,F • your best friend in chem class • atom that has lost an electron • column 17 in the periodic table • atom that has gained an electron • describes how easily a liquid flows • this element has the chemical symbol Na • ...
