chemistry/ Crossword Puzzles
Chemistry Crossword 2015-08-19
Across
- used to hold a beaker or flask
- used to evaporate off liquids from a mixture
- used to hold test tubes
- used to hold a barrette ring or iron ring
- used to heat up mixtures during an experiment
- used to cover the top of a beaker
- used for mixing chemicals
- used to carry out experiments
Down
- used to close the end of a test tube
- measures out specific volumes of liquids
- used for dispensing very specific amounts of liquids
- used to hold a crucible on an iron ring to be heated by burner
- used to help poor liquids into a narrow tube
- use on a ring stand to hold a buret clamp
- clean or add water during an experiment
15 Clues: used to hold test tubes • used for mixing chemicals • used to carry out experiments • used to hold a beaker or flask • used to cover the top of a beaker • used to close the end of a test tube • clean or add water during an experiment • measures out specific volumes of liquids • used to hold a barrette ring or iron ring • use on a ring stand to hold a buret clamp • ...
CHEMISTRY I 2023-10-22
Across
- PIECE OF MATTER IN PURE FORM
- THE ATOM WHICH______ THE SHARED PAIR OF ELECTRON
- IS MADE UP OF SMALLEST PARTICLES KNOWN AS ATOM
- ABILITY OF AN ATOM TO ATTRACT SHARED PAIR OF ELECTRONS.
- DISCOVERED CHLORINE
Down
- SAME ATOMIC NUMBER BUT DIFFERENT MASS NUMBER.
- LONGEST PERIOD
- WEEK FORCES BETWEEN BONDING THE MOLECULES
- GROUP VII-A BELONGS TO _____ FAMILY.
- MUTUAL SHARING OF ELECTRONS BETWEEN TWO ATOMS
- NaCl IS AN EXAMPLE OF _____ BOND.
- WHAT RUTHERFORD DID NOT EXPLAIN ABOUT ATOM?
- f-BLOCK ELEMENTS ARE _____ TRANSITION ELEMENTS.
- NITROGEN GAS CONSIST ______COVALENT TYPE.
- TOTAL SUM OF PROTON AND NEUTRON
15 Clues: LONGEST PERIOD • DISCOVERED CHLORINE • PIECE OF MATTER IN PURE FORM • TOTAL SUM OF PROTON AND NEUTRON • NaCl IS AN EXAMPLE OF _____ BOND. • GROUP VII-A BELONGS TO _____ FAMILY. • WEEK FORCES BETWEEN BONDING THE MOLECULES • NITROGEN GAS CONSIST ______COVALENT TYPE. • WHAT RUTHERFORD DID NOT EXPLAIN ABOUT ATOM? • SAME ATOMIC NUMBER BUT DIFFERENT MASS NUMBER. • ...
Chemistry Revision 2024-03-27
Across
- negatively charged ion
- Protons and neutrons added together
- an atom or group of atoms that carries a positive or negative electric charge as a result of having lost or gained one or more electrons
- group 1 on the periodic table
- positively charged subatomic particle
Down
- positively charged ion
- electrons in the outer shell
- Negatively charged subatomic particle
- group 18 on the periodic table
- group 2 on the periodic table
- columns on the periodic table
- group 17 on the periodic table
- elements that lose electrons easily, are lustrous, malleable, and are good conductors of heat and electricity
- a chemical bond that involves the sharing of electrons to form electron pairs between atoms
- rows on the periodic table
15 Clues: positively charged ion • negatively charged ion • rows on the periodic table • electrons in the outer shell • group 2 on the periodic table • columns on the periodic table • group 1 on the periodic table • group 18 on the periodic table • group 17 on the periodic table • Protons and neutrons added together • Negatively charged subatomic particle • ...
Chemistry Crossword 2024-05-06
Across
- Type of bond formed between a hydrogen atom and an electronegative atom.
- A group of atoms bonded together, representing the smallest fundamental unit of a chemical compound.
- A force that holds atoms together in a molecule or compound.
- Substances that are not attracted to water.
- Type of bonding where electrons are shared between atoms.
- Type of covalent bond where electrons are shared equally.
- Type of bonding where electrons are delocalized and free to move throughout the structure.
- The stable electron configuration achieved when an atom has 8 electrons in its outer shell.
Down
- A molecule that has two poles, with one end having a partial positive charge and the other having a partial negative charge.
- The tendency of an atom to attract electrons towards itself in a chemical bond.
- Scientist known for the concept of electron dot diagrams in chemical bonding.
- Type of bonding where electrons are transferred from one atom to another.
- Type of covalent bond where electrons are shared unequally.
- Substances that are attracted to water.
- The outermost shell of electrons in an atom.
15 Clues: Substances that are attracted to water. • Substances that are not attracted to water. • The outermost shell of electrons in an atom. • Type of bonding where electrons are shared between atoms. • Type of covalent bond where electrons are shared equally. • Type of covalent bond where electrons are shared unequally. • ...
Chemistry Crossword 2023-04-12
Across
- Table of all of the elements
- the vertical rows in the periodic table
- the arrow between the reactants and the products in a chemical equation
- Negatively charged ion
- A catalyst is a substance that lowers the activation energy of a reaction
- any atom or group of atoms that bears one or more positive or negative electrical charges
- The amount of matter in a substance
Down
- A compound yielding two elements
- A family is a group of elements sharing similar properties
- the horizontal rows in the periodic table
- An energy level is a possible value of energy that an electron can have in an atom
- elements on the left side of the arrow
- elements on the right side of the arrow
- positively charged ion
- Two elements yielding one compound
15 Clues: Negatively charged ion • positively charged ion • Table of all of the elements • A compound yielding two elements • Two elements yielding one compound • The amount of matter in a substance • elements on the left side of the arrow • the vertical rows in the periodic table • elements on the right side of the arrow • the horizontal rows in the periodic table • ...
Chemistry Experiment 2023-05-03
Across
- Conjugate base and acid (7,4)
- Quantitative relationships in chemical reactions
- A known part of the experiment used for comparison to unknowns.
- A detailed list of steps for preforming an experiment.
- Fundamental chemical concepts
- creating and implementing uniformity to ensure consistency and accuracy
- What Hazardous chemical substances are
- Deadly chemicals
Down
- using one's senses or scientific instruments to gather information
- The number of things being studied in the experiment.
- Temperature, pressure, and the presence of other chemicals
- Proton accepting particle
- Preforming an experiment multiple times.
- Unlocking new insights into chemistry
- proton donating particle
15 Clues: Deadly chemicals • proton donating particle • Proton accepting particle • Conjugate base and acid (7,4) • Fundamental chemical concepts • Unlocking new insights into chemistry • What Hazardous chemical substances are • Preforming an experiment multiple times. • Quantitative relationships in chemical reactions • The number of things being studied in the experiment. • ...
Chemistry: MATTER 2022-09-08
Across
- a kind of property such as colour or state
- on the Periodic Table, e.g. Oxygen/ Silver
- how much space an item takes up
- smallest piece of matter
- particles appear different in a mixture
- all particles are the same (2 words)
- mixture with 1 visible part e.g. solution
Down
- mixture with 2 or more visible parts
- fine particles e.g. sugar or salt
- has mass and volume
- weight without gravity
- small particles e.g. mustard
- can be released in a chemical reaction
- how shiny a substance is
- burning is an example of a ______property
- pure substance with 2 or more elements e.g water
16 Clues: has mass and volume • weight without gravity • smallest piece of matter • how shiny a substance is • small particles e.g. mustard • how much space an item takes up • fine particles e.g. sugar or salt • mixture with 2 or more visible parts • all particles are the same (2 words) • can be released in a chemical reaction • particles appear different in a mixture • ...
Chemistry Crossword 2022-12-03
Across
- Reaksi pelepasan elektron
- Tempat terjadinya reaksi oksidasi pada sel elektrokimia
- Kutub positif dan negatif pada sel elektrokimia
- Reaksi redoks yang memiliki oksidator dan reduktor yang sama
- Ion bermuatan positif
- Dua buah larutan yang memiliki tekanan osmotik yang sama
- Titik dimana terjadi kesetimbangan antara fase padat, gas, dan cair
Down
- Satuan mol zat terlarut dalam 1 kg pelarut
- Zat yang mengalami reaksi oksidasi
- Hukum yang digunakan dalam menghitung massa zat dalam elektrolisis
- Peristiwa berpindahnya molekul pelarut menuju larutan pekat melalui membran semipermeabel
- Larutan yang memiliki faktor Van't Hoff
- Sel elektrokimia yang menghasilkan arus listrik
- proses oksidasi atau perkaratan pada logam
- Satuan tekanan osmotik larutan
15 Clues: Ion bermuatan positif • Reaksi pelepasan elektron • Satuan tekanan osmotik larutan • Zat yang mengalami reaksi oksidasi • Larutan yang memiliki faktor Van't Hoff • Satuan mol zat terlarut dalam 1 kg pelarut • proses oksidasi atau perkaratan pada logam • Sel elektrokimia yang menghasilkan arus listrik • Kutub positif dan negatif pada sel elektrokimia • ...
Chemistry Vocabulary 2022-11-20
Across
- _______ is an atom or collection of atoms where the ratio of electrons to protons is different.
- A molecule made up of two identical atoms is a _____________.
- a mixture of two or more distinct chemical elements mixed in a certain ratio is a ________.
- An amount that is multiplied by a letter is a __________.
- An atom (or a collection of atoms) receives or loses electrons, compounds consisting of ions that produce charged particles are created are _______.
- A process when one ingredient of a compound is replaced for another is a _____________.
- A discovered symbol that is written under the element is a ___________.
Down
- ______________ happens when the ionic components of two compounds are swapped, creating two new compounds.
- _________ is the exchange of several electron pairs between two atoms.
- A material that remains after a chemical event has taken place is a _________.
- A two-valence electron chemical connection between two atoms is a __________.
- A chemical process where one reactant disintegrates into two or more products is _________.
- __________ is a chemical reaction that produces heat when a material interacts quickly with oxygen.
- A material that undergoes a chemical reaction when mixed with another substance is a ________.
- The blending of concepts to create a theory or system is a _________.
15 Clues: An amount that is multiplied by a letter is a __________. • A molecule made up of two identical atoms is a _____________. • The blending of concepts to create a theory or system is a _________. • _________ is the exchange of several electron pairs between two atoms. • A discovered symbol that is written under the element is a ___________. • ...
Organic Chemistry 2022-05-07
Across
- hydrocarbon having only single bonds
- hydrocarbon that has at least one double or triple bond between carbon atoms
- All side branches
- Contains only the elements carbon and hydrogen
- organic molecule is an atom or group of atoms that always reacts in a certain way
- a fixed numerical relationship among the number of atoms
- an organic compound containing a halogen atom covalently bonded to an aliphatic
- an organic compound that contains hydrocarbon ring
Down
- the longest continuous chain of carbon atom
- hydrocarbons that only have single bonds between atoms
- organic compound that contains a halogen substituent
- a organic compound containing a halogen atom bonded to a benzene ring or other aromatic group
- contains carbon with primary exceptions of carbon oxides, carbides, and carbonate
- one in which one atom or a group of atoms in a molecule is replaced by another atom or group of atoms
- cyclic hydrocarbons that contain single bonds only
15 Clues: All side branches • hydrocarbon having only single bonds • the longest continuous chain of carbon atom • Contains only the elements carbon and hydrogen • cyclic hydrocarbons that contain single bonds only • an organic compound that contains hydrocarbon ring • organic compound that contains a halogen substituent • hydrocarbons that only have single bonds between atoms • ...
chemistry unit 2023-09-29
Why Chemistry? 2023-10-06
Across
- Olympic gold medals are only make with about 6g of actual gold - what metal makes up the remaining 95%?
- The use of chemical processes was in use since 1000 BC. Before it was called chemistry, what was known as?
- What is the hardest substance in your body?
- In terms of density, what is the heaviest element?
- What fruit is radioactive?
- Who created the periodic table?
- What is the rarest naturally occurring element on Earth?
- What is the Earth's core made of?
Down
- The accidental discovery of penicillin in 1928 was the cornerstone of modern medicine, as it led to the introduction of antibiotics. What was the name of Scottish physician who discovered it?
- What is the name of the chemist Dr. Bunsen Honeydew's redheaded assistant on "The Muppet Show?"
- What is the most common element in the universe?
- Where is the majority if the Earth's oxygen produced?
- When it is frozen, this element turns a glowing red.
- Guanine, a crystalline material made from ground of fish scales, can be found in what cosmetic product?
- Who is considered "the father of modern chemistry?"
15 Clues: What fruit is radioactive? • Who created the periodic table? • What is the Earth's core made of? • What is the hardest substance in your body? • What is the most common element in the universe? • In terms of density, what is the heaviest element? • Who is considered "the father of modern chemistry?" • When it is frozen, this element turns a glowing red. • ...
Chemistry Crossword 2024-10-02
Across
- each element has their own unique _____
- an atom with the same number of protons as another, but a different amount of neutrons
- reaction when energy is absorbed
- negative charged ion
- a change where nothing new is formed
- a substance shown on the periodic table that cant be broken down into smaller parts
- bond between 2 nonmetals
- a charged particle
- inside the nucleus with positive charge
Down
- reaction when energy is released
- bond between a metal and a nonmetal
- inside the nucleus with no charge
- a change where something new is formed through breaking of chemical bonds
- surrounding the nucleus, has a negative charge
- positive charged ion
15 Clues: a charged particle • negative charged ion • positive charged ion • bond between 2 nonmetals • reaction when energy is released • reaction when energy is absorbed • inside the nucleus with no charge • bond between a metal and a nonmetal • a change where nothing new is formed • each element has their own unique _____ • inside the nucleus with positive charge • ...
Organic Chemistry 2025-07-03
Across
- A lone pair donor (organic def)
- Pair of isomers that are mirror images of each other
- A reagent that gives a silver mirror when it is reduced.
- A compound containing carbon and hydrogen only
- The ability of an atom to attract a bonding pair of electrons
- Fucntional group that is formed when reducing an aldehyde/ketone
- different structures of the same molecular formula
- Carbon with 4 different R groups
Down
- Double bond
- Loss of electrons
- Gain of electrons
- A chemical that gives a sweet fruity smell
- A lone pair acceptor (organic def)
- a reagent that gives a brick red precipitate when it is reduced
- Functional group that forms when secondary alcohol is oxidised
15 Clues: Double bond • Loss of electrons • Gain of electrons • A lone pair donor (organic def) • Carbon with 4 different R groups • A lone pair acceptor (organic def) • A chemical that gives a sweet fruity smell • A compound containing carbon and hydrogen only • different structures of the same molecular formula • Pair of isomers that are mirror images of each other • ...
chemistry crossword 2025-01-09
Across
- the study of change
- a substance made from two or more elements, chemically combined
- process that releases energy into the surroundings
- a process that absorbs energy from the surroundings
- a mixture made up of particles that are not uniformly distributed
- the capacity to do work or transfer heat
- most are solid at room temp
Down
- matter with constant composition
- very low ke particles vibrate but cant move around
- a mixture made up of particles that are uniformly disturbed
- low key particles can move around but are still close together variable shape fixed volume
- anything with mass that occupies space
- high ke particles can separate and move throughout the container
- a substance made up of atoms with the same atomic number
- matter with variable composition. made from two or more substances
15 Clues: the study of change • most are solid at room temp • matter with constant composition • anything with mass that occupies space • the capacity to do work or transfer heat • very low ke particles vibrate but cant move around • process that releases energy into the surroundings • a process that absorbs energy from the surroundings • ...
Chemistry Vocab 2025-10-16
Across
- empty orbitals fill before electrons begin pairing up
- a measure of how hard an atom pulls on BONDING electrons
- organized space within an energy level, named, s,p,d, and f. These spaces have associated shapes.
- location of electrons
- element that has some characteristics of metals and some of nonmetals
- determines the size of an atom
- a diagram that represents the valence electrons of an atom of an element surrounding the chemical symbol of that element
Down
- No two electrons in the same atom can occupy the same orbital with the same spin
- a 3-d area within a sublevel where there is a high probability of finding an electron
- The effect of the positive nuclues on its outer electrons is reduced by inner electrons
- an element that tends to gain electrons in a bond and a good insulator
- the amount of energy required to remove the most loosely held electron from an atom
- The physical and chemical properties of an element are a function of their atomic number
- the minimum amount of energy that an electron gains or loses when it changes energy levels
- an element that tends to loose electrons in a bond and is a good conductor
15 Clues: location of electrons • determines the size of an atom • empty orbitals fill before electrons begin pairing up • a measure of how hard an atom pulls on BONDING electrons • element that has some characteristics of metals and some of nonmetals • an element that tends to gain electrons in a bond and a good insulator • ...
Chemistry Vocab 2026-01-08
Across
- they can be hammered or rolled into thin sheets
- substances that are formed during a reaction
- smallest unit of an element
- a pure substance made out of only one kind of atom
- energy in motion
- a measure of the amount of space that is occupied
- a measure of the amount of matter
- a process that absorbs energy from surroundings
Down
- a process that releases energy into surroundings Compound a substance that is made from atoms of two or more elements that are chemically bonded
- energy possessed by an object due to its position, composition, or condition
- that can be drawn into a fine wire
- a substance that is currently a gas, but normally is a liquid or solid at room temperature
- anything with mass that occupies space
- a substance that is made from atoms of two or more elements that are chemically bonded
- beginning substances that start a reaction
15 Clues: energy in motion • smallest unit of an element • a measure of the amount of matter • that can be drawn into a fine wire • anything with mass that occupies space • beginning substances that start a reaction • substances that are formed during a reaction • they can be hammered or rolled into thin sheets • a process that absorbs energy from surroundings • ...
chemistry vocab 2026-01-09
Across
- very high kinetic energy
- beginning substances that start a reaction.
- ability to carry electricity
- when a liquid changes its state to a gas
- Uneven distribution of substances.
- when a solid becomes a liquid
Down
- a given material bends light passing through it.
- matter that has a definite composition.
- cannot be separated by any physical process
- ability to be hammered or beaten into thin sheets
- ability to transfer energy as heat
- substances that are formed during the reaction.
- mass to volume ratio
- ability to be drawn on a thin wire
- a solid that separates from solution
15 Clues: mass to volume ratio • very high kinetic energy • ability to carry electricity • when a solid becomes a liquid • ability to transfer energy as heat • ability to be drawn on a thin wire • Uneven distribution of substances. • a solid that separates from solution • matter that has a definite composition. • when a liquid changes its state to a gas • ...
Chemistry 2022-08-30
9 Clues: Big particles • boiling points • tiny particles • medium particles • evenly dispersed • layers like onions • Substance elements • physically combined • Solution does not do it
Chemistry 2022-10-25
10 Clues: C6H22O11 • linking of atoms • group of 2 or more atoms • when atoms share electrons • electrons in the outer shell • a tiny source of nuclear energy • atoms linked through one another • when atoms gain or lose electrons • usually become positively charged ions • usually become negatively charged ions
Chemistry 2022-06-01
Across
- an educated guess
- Anything that has mass and takes up space
- Contains more than one type of particle
- smallest piece of matter
Down
- A pure substance that cannot be broken down
- Sodium Chloride
- Contains multiple elements bonded together
- Shiny, good conductors, malleable and ductile
- column of the periodic table
9 Clues: Sodium Chloride • an educated guess • smallest piece of matter • column of the periodic table • Contains more than one type of particle • Anything that has mass and takes up space • Contains multiple elements bonded together • A pure substance that cannot be broken down • Shiny, good conductors, malleable and ductile
Chemistry 2022-07-04
Across
- The number of protons and neutrons contained in the atom
- The burning of a substance in oxygen is an example of ...
- 31 on the periodic table
- The most electronegative element
- A bunch of different atoms bonded together
Down
- Smallest known particle
- Metal+Oxygen=
- Combustion is an ... reaction
- The number of protons contained in an atom
9 Clues: Metal+Oxygen= • Smallest known particle • 31 on the periodic table • Combustion is an ... reaction • The most electronegative element • The number of protons contained in an atom • A bunch of different atoms bonded together • The number of protons and neutrons contained in the atom • The burning of a substance in oxygen is an example of ...
Chemistry 2020-06-02
9 Clues: modern periodic law • atomic number is six • proposed atomic theory • Are also called energy levels • element which have no neutron • valence electons of noble gases • the revolving path traced by electrons • noble gases are also called as ----- gases • elements from group 3 to 12 are-------- metals
chemistry 2020-12-25
Across
- The reagent with which both acetaldehyde and acetone react easily is
- What is the test to differentiate between penta-2-one and pentan-3-one?
- Aldehydes other than formaldehyde react with Grignard’s reagent to give addition products which on hydrolysis give
- Benzoyl Chloride on reduction with H2/Pd-BaSO4 produces
- the major product obtained on interaction of phenol with sodium hydroxide and carbon dioxide is
Down
- Hydrocarbons are formed when aldehydes and ketones are reacted with amalgamated zinc and conc. HCl. The reaction is called
- the compound obtained by the reaction of ethene with diborane followed by hydrolysis with alkaline H2O2 is
- Chromyl chloride oxidized methyl group to a chromium complex which on hydrolysis gives corresponding benzaldehyde.Name the reaction
- benzene or its derivative is treated with co and HCl in presence of anhy.AlCl3/CuCl give benzaldehyde. name the reaction
9 Clues: Benzoyl Chloride on reduction with H2/Pd-BaSO4 produces • The reagent with which both acetaldehyde and acetone react easily is • What is the test to differentiate between penta-2-one and pentan-3-one? • the major product obtained on interaction of phenol with sodium hydroxide and carbon dioxide is • ...
chemistry 2020-12-25
Across
- What is the test to differentiate between penta-2-one and pentan-3-one?
- Chromyl chloride oxidized methyl group to a chromium complex which on hydrolysis gives corresponding benzaldehyde.Name the reaction
- the compound obtained by the reaction of ethene with diborane followed by hydrolysis with alkaline H2O2 is
- The reagent with which both acetaldehyde and acetone react easily is
- Hydrocarbons are formed when aldehydes and ketones are reacted with amalgamated zinc and conc. HCl. The reaction is called
Down
- the major product obtained on interaction of phenol with sodium hydroxide and carbon dioxide is
- Aldehydes other than formaldehyde react with Grignard’s reagent to give addition products which on hydrolysis give
- benzene or its derivative is treated with co and HCl in presence of anhy.AlCl3/CuCl give benzaldehyde. name the reaction
- Benzoyl Chloride on reduction with H2/Pd-BaSO4 produces
9 Clues: Benzoyl Chloride on reduction with H2/Pd-BaSO4 produces • The reagent with which both acetaldehyde and acetone react easily is • What is the test to differentiate between penta-2-one and pentan-3-one? • the major product obtained on interaction of phenol with sodium hydroxide and carbon dioxide is • ...
chemistry 2021-01-22
9 Clues: not equal • to be equal • tiny numbers • numbers and letters • left of the equation • right of the equation • big numbers you multiply • matter cannot be destroyed • the line in the middle of the two equation
chemistry 2021-01-04
Across
- less particles of an atom
- a pure substance
- takes the shape of the space it's in- fixed volume
- the smallest particle of matter
- the amount of matter in an object
Down
- positively charged particles of atoms
- negatively charged
- holds its shape and keeps the same volume
- takes the shape and volume of the space it is in
9 Clues: a pure substance • negatively charged • less particles of an atom • the smallest particle of matter • the amount of matter in an object • positively charged particles of atoms • holds its shape and keeps the same volume • takes the shape and volume of the space it is in • takes the shape of the space it's in- fixed volume
Chemistry 2021-01-04
Across
- have mass.
- of atoms and are located in nucleus,
- the nucleus in orbits and have no
- Protons are positively charged
- particles of atoms and are located
Down
- Neutrons are chargeless particles of
- Electrons are negatively charged
- They are located in nucleus, and have
- smallest part of an element that still has element characteristics
9 Clues: have mass. • Protons are positively charged • Electrons are negatively charged • the nucleus in orbits and have no • particles of atoms and are located • Neutrons are chargeless particles of • of atoms and are located in nucleus, • They are located in nucleus, and have • smallest part of an element that still has element characteristics
Chemistry 2021-04-01
9 Clues: H • O • H20 • One kind of atom • Visible ingredients • Invisible ingredients • Any atom that is connected by chemical bonds • Two or more different elements bound together • Can be seperated into components by physical means
Chemistry 2021-08-20
Across
- a type of particle with two protons and two neutrons. Has a +2 charge.
- the relative ability of an elements atoms to attract electrons.
- a pure substance that cannot be broken down into simpler substances.
- the center of the atom
- the amount of mass per unit volume
Down
- a mixture that is not uniform throughout.
- a mixture that is uniform throughout.
- the smallest particle of an element that keeps that elements properties.
- a negatively charged particle.
9 Clues: the center of the atom • a negatively charged particle. • the amount of mass per unit volume • a mixture that is uniform throughout. • a mixture that is not uniform throughout. • the relative ability of an elements atoms to attract electrons. • a pure substance that cannot be broken down into simpler substances. • ...
Chemistry 2023-01-30
9 Clues: Equals • After the reaction • Equal on both sides • Before the reaction • Reactants-->Products • Not equal on both sides • Multiply atoms to balance the equation • Matter can neither created or destroyed • Smaller number, tells you the atoms amount
Chemistry 2023-04-14
Across
- The branch of science that deals with the properties, composition, and structure of elements and compounds.
- the basic unit of a chemical element.
- A solid material that is typically hard shiny.
- Number The quantity of matter contained in an atom of an element.
- A small, positively charged particle of matter.
Down
- The number of atoms of that element.
- Mass The number of protons in the nucleus of an atom.
- A substance made from two or more different elements that have been chemically joined.
- A small particle with a negative charge of matter.
- Anything that takes up space.
10 Clues: Anything that takes up space. • The number of atoms of that element. • the basic unit of a chemical element. • A solid material that is typically hard shiny. • A small, positively charged particle of matter. • A small particle with a negative charge of matter. • Mass The number of protons in the nucleus of an atom. • ...
chemistry 2023-05-01
Across
- a material that lets electricity flow through it
- physical substance in general
- number: the number of protons in the nucleus of an atom
- hard but easy to break
- subatomic particle about the same mass as a proton
- stable subatomic particle in all atomic nuclei
Down
- atoms as a source of nuclear energy
- important part of an object
- mass: The atomic mass of a single atom or total mass
- a stable subatomic particle with a charge of negative electricity
10 Clues: hard but easy to break • important part of an object • physical substance in general • atoms as a source of nuclear energy • stable subatomic particle in all atomic nuclei • a material that lets electricity flow through it • subatomic particle about the same mass as a proton • mass: The atomic mass of a single atom or total mass • ...
chemistry 2023-05-17
Across
- number, number of units in one mole of any substance (defined as its molecular weight in grams), equal to 6.02214076 × 1023
- slow downs the chemical and the reaction too
- energy, in a fire, we transform carbon in wood into CO2
- The amount of substance that contains the same number of chemical species
Down
- substance, such as calcium oxide, that absorbs water and is used to remove moisture
- any compound containing water in the form of H2O molecules, usually, but not always, with a definite content of water by weight
- mass, compound tells you the mass of 1 mole of that substance
- replacement, a chemical reaction in which one element replaces another in a compound.
- replacement, cur when parts of two ionic compounds are exchanged, making two new compounds.
9 Clues: slow downs the chemical and the reaction too • energy, in a fire, we transform carbon in wood into CO2 • mass, compound tells you the mass of 1 mole of that substance • The amount of substance that contains the same number of chemical species • substance, such as calcium oxide, that absorbs water and is used to remove moisture • ...
Chemistry 2023-06-19
10 Clues: 水 • 陰極 • 陰極 • うすい • 電気分解 • gains electron • prediction or guess • examples: BTB, litmus paper, red cabbage • separated into cations (+) and hydroxide ions (OH-) • forcefully remove or push out something from its position
chemistry 2023-07-06
9 Clues: xenon • has no charge • non renewable • atomic number of 32 • chemically inactive • speeds up a reaction • a mixture of 2 metals • is the 7th group on the periodic table • alkalis and acids react together to produce salt and
Chemistry 2013-11-28
9 Clues: mostly • turn away • a few/thinner • focus on something • exact/clearly stated • do not take sides/has no charge • a little things(atom)/a minute portion of matter • have a lots energy/relating to or characterized by energy • verifiable by observation or experience rather than theory or logic
Chemistry 2015-03-09
9 Clues: it's in bananas • it is expensive • it's symbol is Fe • it's symbol is Na • it is used in pencils • it's bendy and silver • it's used for cooking • sounds like a Mini "cooper" • it makes your bones and teeth stronger
Chemistry 2015-10-13
9 Clues: melting ice • can dissolve • baking a cake • can't dissolve • happens on iron • creates heat and light • the solid part of a solution • when a liquid turns into a gas • the liquid part of an solution
chemistry 2017-02-07
9 Clues: brain of a atom • is a arranged group • neutral part of a atom • positive part of a atom • negative part of a atom • how compact a object is • something that takes up space • combination that can be reversed • something composed of 2 or more substances
Chemistry 2018-06-27
9 Clues: It flows freely • It sucks things up • Corrosive substance • The opposite of boiling point • They are on the periodic table • Its neither a liquid or a solid • You can move things by using this • Its a chemical reaction but in symbols • Where molecules move from concentrations
Chemistry 2021-12-09
9 Clues: found on the left side • brittle and and insulator • what has a neutral charge? • what has a positive charge? • how the elements are organized • a chart that has all the elements • what is located in the electron cloud? • a change where the atoms are rearranged • what is the smallest part of an element?
Chemistry 2021-12-23
Across
- the poisonous gas produced during incomplete combustion.
- the lowest temperatureat which a substance catches fire.
- dark oily liquid.
Down
- unit used to expressed the calorific value.
- obtained from the dead remains of living organisms.
- essential for combustion
- used as a fuel for vehicles.
- the oxide dissolve in the rain water.
- almost pure form of carbon.
9 Clues: dark oily liquid. • essential for combustion • almost pure form of carbon. • used as a fuel for vehicles. • the oxide dissolve in the rain water. • unit used to expressed the calorific value. • obtained from the dead remains of living organisms. • the poisonous gas produced during incomplete combustion. • the lowest temperatureat which a substance catches fire.
Chemistry 2022-01-06
9 Clues: from gas to liquid • used to measure mass • measures temperature • Changing from solid to gas • changing from liquid to gas • when salt disappears in water • changing from liquid to solid • changing from solid to liquid • way we represent kinetic energy
Chemistry 2022-04-13
Across
- ability to burn or ignite
- cloud outer layers of atoms made up of energy levels
- amount of matter in a substance
- has a positive charge
Down
- ability to react with other elements
- ability to be hammered into thin sheets
- center of the atom
- makes up all mater
- level how acidic or alkaline basic a substance is compared to neutral
9 Clues: center of the atom • makes up all mater • has a positive charge • ability to burn or ignite • amount of matter in a substance • ability to react with other elements • ability to be hammered into thin sheets • cloud outer layers of atoms made up of energy levels • level how acidic or alkaline basic a substance is compared to neutral
chemistry 2022-04-13
Across
- stable subatomic particle that has a positive charge equal hiugiunp
- any substance that has a defined composition. Reaction the act or process or an instance of reacting.
- a subatomic particle of about the same mass as a proton but without an electric charge hfvbsdhvbhbhbhbb
- Chang
Down
- An atom is the basic building block of chemistry fuktktvtlykfkutvr
- electron is a negatively charged subatomic particle. fgyrserewuvfdvu
- the property of an element that determines the number of other atoms with which an atom of the element can combine Electron
- Levels
- Cloud
9 Clues: Cloud • Chang • Levels • electron is a negatively charged subatomic particle. fgyrserewuvfdvu • stable subatomic particle that has a positive charge equal hiugiunp • An atom is the basic building block of chemistry fuktktvtlykfkutvr • ...
Chemistry 2023-10-02
Across
- solution of metals
- made when on substance in disolved into another substance
- change of substance when a reation occurs
- something with a definate volume and shape
Down
- can be observed whithout changing the identity of the substance
- simplist form of matter
- chemicly combined atoms of 2 or more different elements
- combinations with even or uneven distrobution
- something with a definate volume but indefinate shape
9 Clues: solution of metals • simplist form of matter • change of substance when a reation occurs • something with a definate volume and shape • combinations with even or uneven distrobution • something with a definate volume but indefinate shape • chemicly combined atoms of 2 or more different elements • made when on substance in disolved into another substance • ...
Chemistry! 2024-12-04
Across
- What do we call a group of the same or different atoms?
- What is a negatively charged atom called?
- Two or more different elements combined to form a new pure substance
- What is a pure substance made up of only one type of atom?
Down
- what do we call the bond between positive and negative atoms?
- What do we call the bond between atoms SHARING electrons?
- If an atom LOSES electrons, what charge does it have?
- What is a positively charged atom called?
- How many electrons are needed in the valence shell for an atom to be stable?
9 Clues: What is a negatively charged atom called? • What is a positively charged atom called? • If an atom LOSES electrons, what charge does it have? • What do we call a group of the same or different atoms? • What do we call the bond between atoms SHARING electrons? • What is a pure substance made up of only one type of atom? • ...
Chemistry 2025-04-22
Across
- A substance that speeds up a chemical reaction
- A positively charged particle in the nucleus
- A combination of substances that are not chemically bonded.
- A measure of how acidic or basic a solution is.
- A pure substance that cannot be broken down into simpler substances by chemical means
- The most abundant element in the Earth's atmosphere.
Down
- A negatively charged particle orbiting the nucleus
- When a solid turns directly into a gas.
- A reaction that releases heat to its surroundings.
9 Clues: When a solid turns directly into a gas. • A positively charged particle in the nucleus • A substance that speeds up a chemical reaction • A measure of how acidic or basic a solution is. • A negatively charged particle orbiting the nucleus • A reaction that releases heat to its surroundings. • The most abundant element in the Earth's atmosphere. • ...
chemistry 2024-07-04
Across
- oxygen is added to a chemical in a reaction
- made up of more than one type of element or compound
- water turning into ice
- scientific word for burning
- smallest part of any substance
- made up of 1 type of atom
Down
- breaking down a substance using heat
- heat entering a reaction-feels colder
- made up of 2 or more types of atoms joined together by chemical bonds
9 Clues: water turning into ice • made up of 1 type of atom • scientific word for burning • smallest part of any substance • breaking down a substance using heat • heat entering a reaction-feels colder • oxygen is added to a chemical in a reaction • made up of more than one type of element or compound • made up of 2 or more types of atoms joined together by chemical bonds
chemistry 2024-06-27
9 Clues: treat indigestion • oxidised fat or oil • smallest unit of a matter • mixture of 2 or more metal • Rusting of iron is known as • acid reacts with base and make salt • 4 carbon compound with ketone group • bonds that are made by sharing of electron • metal that reacts with acid to give H2 gas
Chemistry 2025-03-18
Chemistry 2025-11-23
Across
- Equipment that provides heat for chemical experiments, often fueled by gas or alcohol
- A subatomic particle with a negative electrical charge that orbits the nucleus
- The smallest unit of a compound made of two or more atoms chemically bonded together
- A small cylindrical glass item used for holding small amounts of chemicals during experiments
Down
- A subatomic particle found in the nucleus that has a positive electrical charge
- A wide-mouthed glass container used for mixing, heating, and holding liquids (volume marks are non-precise)
- The compound with the formula H2O
- Equipment used in the lab to accurately measure the mass of a substance
- A pure substance made of only one kind of atom
9 Clues: The compound with the formula H2O • A pure substance made of only one kind of atom • Equipment used in the lab to accurately measure the mass of a substance • A subatomic particle with a negative electrical charge that orbits the nucleus • A subatomic particle found in the nucleus that has a positive electrical charge • ...
Chemistry 2025-12-01
Across
- particles in this state or phase a very spread out
- This, like a dozen refers to a specific number of something
- particles in this state cannot be compressed but slide relative to one another
- mass of one, charge of +1
- particles in this state are fixed in place
- mass of one, charge of zero
Down
- This is the name given to the number of particles in a mole
- mass of zero, charge of -1
- this is like a mole, only a LOT smaller
9 Clues: mass of one, charge of +1 • mass of zero, charge of -1 • mass of one, charge of zero • this is like a mole, only a LOT smaller • particles in this state are fixed in place • particles in this state or phase a very spread out • This is the name given to the number of particles in a mole • This, like a dozen refers to a specific number of something • ...
Chemistry 2025-12-08
Across
- Acid containing hydrogen and another element, but no oxygen
- Substance that accepts a proton or produces OH⁻
- Substance that dissolves a solute to form a solution
- Acid containing hydrogen, oxygen, and another element
- Homogeneous mixture of a solute dissolved in a solvent
- Compound that dissociates into ions in solution
Down
- Compound dissolving without forming ions
- Substance dissolved by a solvent in a solution
- Substance that donates a proton (H⁺)
9 Clues: Substance that donates a proton (H⁺) • Compound dissolving without forming ions • Substance dissolved by a solvent in a solution • Substance that accepts a proton or produces OH⁻ • Compound that dissociates into ions in solution • Substance that dissolves a solute to form a solution • Acid containing hydrogen, oxygen, and another element • ...
Chemistry 2025-10-23
9 Clues: a cluster of atoms • needs a microscope • see with the naked eye • a change is size or shape • reaction that takes in heat • reaction that releases heat • the basic building block of all matter • two substances mixeds to create a new substances • the degree or intensity of heat present in a substance or object
How to help stop climate change 2023-06-06
SCIENCE 2022-02-05
School Subjects 2023-06-21
Across
- Science The study of non-living matter and energy, such as physics and chemistry.
- The study of numbers, shapes, and patterns.
- Studies The study of society, culture, and human behavior.
- The study and enjoyment of sounds, melodies, and instruments.
- The creative expression through drawing, painting, and other visual forms.
- The study of Earth's physical features, climate, and maps.
- The study of living organisms, including plants, animals, and humans.
- The study of past events, people, and civilizations.
Down
- Science The study of computers, programming, and technology.
- The study of the natural world, including plants, animals, and experiments.
- The study and appreciation of written works such as stories, poems, and novels.
- Education Activities and exercises to promote physical fitness and health.
- The study of substances, their properties, and reactions.
- Language The study of a language other than one's native language.
- The study of matter, energy, and the laws that govern them.
15 Clues: The study of numbers, shapes, and patterns. • The study of past events, people, and civilizations. • The study of substances, their properties, and reactions. • Studies The study of society, culture, and human behavior. • The study of Earth's physical features, climate, and maps. • The study of matter, energy, and the laws that govern them. • ...
Classroom Chemistry 2016-11-24
Across
- Has a unfixed shape and volume
- Separates a soluble solid from a liquid
- Used to separate an insoluble solid from a liquid
- The amount of space an object takes up
- Involves heating, followed by cooling to leave a pure substance behind in crystal form
- Has a fixed mass and volume
- Sugar is an example in Kool Aid
- This action is what allows water to move when filter paper is dipped in water
- Takes the shape of its container
Down
- A type of mixture where you can see the individual parts
- The substance that dissolves the solute
- A type of mixture where you cannot see the individual parts
- Used to separate two different dyes based on their solubility levels
- Makes up everything all around us
- When a substance is able to dissolve into another type of substance
15 Clues: Has a fixed mass and volume • Has a unfixed shape and volume • Sugar is an example in Kool Aid • Takes the shape of its container • Makes up everything all around us • The amount of space an object takes up • The substance that dissolves the solute • Separates a soluble solid from a liquid • Used to separate an insoluble solid from a liquid • ...
chemistry Isabel 2016-12-14
Across
- bond the complete transfer of valence electron(s) between atoms.
- relating to, measuring, or measured by the quality of something rather than its quantity.
- a substance made by mixing other substances together.
- a part or aspect of something abstract, especially one that is essential or characteristic.
- a thing that is composed of two or more separate elements; a mixture.
- the basic unit of a chemical element
- mass the mass of an atom of a chemical element expressed in atomic mass units
- a particular kind of matter with uniform properties.
- physical substance in general, as distinct from mind and spirit; (in physics) that which occupies space and possesses rest mass, especially as distinct from energy.
Down
- A group of atoms bonded together,representing the smallest fundamental unit of a chemical compound that can take any part in a chemical reaction
- rule chemical rule of thumb that reflects observation that atoms of main-group elements tend to combine in such a way that each atom has eight electrons in its valence shel
- of or denoting a process involving substances in different phases (solid, liquid, or gaseous).
- unit chemistry is the empirical formula of any ionic or convalescent network solid compound used as an independent entity for stoichiometric calculations.
- is a separation of electric charge leading to a molecule or its chemical groups having an electric dipole or multipole moment.
- A subatomic particle of about the same mass as a proton but without an electric charge
15 Clues: the basic unit of a chemical element • a particular kind of matter with uniform properties. • a substance made by mixing other substances together. • bond the complete transfer of valence electron(s) between atoms. • a thing that is composed of two or more separate elements; a mixture. • ...
Organic Chemistry 2017-02-16
Across
- คุณสมบัติที่ทำให้ไม่ละลายในน้ำ
- ปฏิกิริยาการแทนที่
- หมู่ฟังก์ชั่นที่มีสูตร-CHO
- สูตรโมเลกุลเหมือนกันแต่สูตรโครงสร้างต่างกัน
- แอลดีไฮด์ที่มีคาร์บอนหนึ่งตัว
- เบนซีนสองวงเชื่อมกันด้วยพันธะเดี่ยว
Down
- สารประกอบไฮโดรคาร์บอนที่มีอะตอมคาร์บอนเรียงกันเป็นวงแหวนเบนซีน
- ปฏิกิริยาการเติม
- ตัวทำละลายอินทรีย์ที่เกิดจากอะตอมคาร์บอนหนึ่งตัวเกิดพันธะกับคลอรีนสี่ตัว
- ไอโซเมอร์ที่มีการจัดกลุ่มอะตอมหรือที่ว่างในโมเลกุลต่างกัน
- อีเทอร์ที่ใช้เป็นยาสลบ สูตรคือCH3CH2OCH2CH3
- สารประกอบไฮโดรคาร์บอนที่มีพันธะคู่
- ชื่อของสารประกอบอินทรีย์ที่ประกอบขึ้นจากไฮโดรเจนและคาร์บอนทั้งหมด
- ชื่อของโลหะที่เป็นส่วนประกอบของกรินยาร์ดรีเอเจนต์
- แอลกอฮอลล์ที่มีสูตรC2H6O
15 Clues: ปฏิกิริยาการเติม • ปฏิกิริยาการแทนที่ • แอลกอฮอลล์ที่มีสูตรC2H6O • หมู่ฟังก์ชั่นที่มีสูตร-CHO • แอลดีไฮด์ที่มีคาร์บอนหนึ่งตัว • คุณสมบัติที่ทำให้ไม่ละลายในน้ำ • สารประกอบไฮโดรคาร์บอนที่มีพันธะคู่ • เบนซีนสองวงเชื่อมกันด้วยพันธะเดี่ยว • อีเทอร์ที่ใช้เป็นยาสลบ สูตรคือCH3CH2OCH2CH3 • สูตรโมเลกุลเหมือนกันแต่สูตรโครงสร้างต่างกัน • ชื่อของโลหะที่เป็นส่วนประกอบของกรินยาร์ดรีเอเจนต์ • ...
Chemistry Terms 2018-02-05
Across
- / Smallest particle of matter that still has its characteristics
- / Two or more substances that are physically combined
- / Visibly different substances throughout
- / Two or more atoms chemically combined
- / Charge-less particle in the nucleus of a atom
- Change / When the chemical properties stay the same and is the same substance, but its size and shape change
- / Anything that has mass and volume
- / Made up of more than one type of atom
Down
- / Amount of space something occupies
- / All the substances are the same throughout
- Change / When something transforms into a new substance
- / Made up of one type of atom
- / Negatively charged particles that move around the atom
- / Positively charged particles in the nucleus of a atom
- / Amount of matter in a object
15 Clues: / Made up of one type of atom • / Amount of matter in a object • / Anything that has mass and volume • / Amount of space something occupies • / Two or more atoms chemically combined • / Made up of more than one type of atom • / Visibly different substances throughout • / All the substances are the same throughout • / Charge-less particle in the nucleus of a atom • ...
Chemistry Crossword 2018-01-23
Across
- Material.
- very compact.
- A substance that is not combined chemically.
- what amount of space this takes up.
- a well mixed substance.
- how close you can get your answers to line up.
- A chemically combined substance.
- how close you can get to the correct number.
Down
- the size of something.
- chemicals that cannot be broken down any further.
- to trap heat.
- Unit The SI unit for the seven base units.
- These guys make up everything.
- to give off heat.
- not mixed well.
15 Clues: Material. • to trap heat. • very compact. • not mixed well. • to give off heat. • the size of something. • a well mixed substance. • These guys make up everything. • A chemically combined substance. • what amount of space this takes up. • Unit The SI unit for the seven base units. • A substance that is not combined chemically. • how close you can get to the correct number. • ...
Water Chemistry 2013-01-14
Across
- a liquid, matter that flows
- fresh water mixed with salt
- taking care of something
- chemistry of earths crust
- caused by humans
- elements mixed in the same phase
- force of an object
- atoms chemically combined
- amount packed in
Down
- all water in the world
- increase overtime of population
- amount of salt
- toxins in air
- total mass of living materials in one specific area
- waste or water that flows everywhere
15 Clues: toxins in air • amount of salt • caused by humans • amount packed in • force of an object • all water in the world • taking care of something • chemistry of earths crust • atoms chemically combined • a liquid, matter that flows • fresh water mixed with salt • increase overtime of population • elements mixed in the same phase • waste or water that flows everywhere • ...
Chemistry Words 2013-08-25
Across
- when salt goes into water it _______
- when you clean out a liquid like water
- only one type of thing
- the separation of a mixture
- made up of one type of atom
- vanish, to pass out of sight
Down
- able to be drawn out into a thin wire
- when a solid liquid or gas changes from one state to another
- going from a liquid to a gas
- a small component in a solvent
- a liquid a solute is dissolved in
- a small amount of something left after the main part has gone
- easy to move or bend
- two or more separate elements
- a substance that is made by mixing two different substances
15 Clues: easy to move or bend • only one type of thing • the separation of a mixture • made up of one type of atom • going from a liquid to a gas • vanish, to pass out of sight • two or more separate elements • a small component in a solvent • a liquid a solute is dissolved in • when salt goes into water it _______ • able to be drawn out into a thin wire • ...
Chemistry Crossword 2013-11-12
Across
- Said all atoms are like balls
- Idea of orbitals
- Negative pieces of an atom
- Elements with 8 electrons
- These go left and right
- First person to think of atoms
- No charge
Down
- Electron on outermost shell
- These go up and down
- Positive pieces of an atom
- Chart with all the elements
- Came up with the idea of electrons
- Smallest unit of all matter
- More than one atom together
- A charged particle
15 Clues: No charge • Idea of orbitals • A charged particle • These go up and down • These go left and right • Elements with 8 electrons • Positive pieces of an atom • Negative pieces of an atom • Electron on outermost shell • Chart with all the elements • Smallest unit of all matter • More than one atom together • Said all atoms are like balls • First person to think of atoms • ...
Chemistry Rocks 2014-08-28
Across
- basic unit of mass
- difference between the accepted and experimental values
- zero/zero point on a Kelvin scale
- measurement of how close to actual value
- measure of how close a measurement is to another
- quantity of heat
- basic unit of length
Down
- capacity to do work or produce heat
- volume of liquids
- force that measures the pull
- measure of how hot or cold
- scale/ freezing point of water is zero degrees
- value/correct value based on reliable references
- depends only on the composition
- unit of energy
15 Clues: unit of energy • quantity of heat • volume of liquids • basic unit of mass • basic unit of length • measure of how hot or cold • force that measures the pull • depends only on the composition • zero/zero point on a Kelvin scale • capacity to do work or produce heat • measurement of how close to actual value • scale/ freezing point of water is zero degrees • ...
Chemistry equipment 2015-08-19
Across
- used to dispense solids
- measures out specific volumes of liquids
- holds liquids
- used to pick up hot beakers
- used for making solutions of a specific volume
- used to weigh solids on the balance
Down
- used to hold test tubes during an experiment
- used to stir mixtures
- used to carry out experiments
- used to measure the mass of objects
- cleaning and adding water to experiment
- used to dispense small amounts of chemicals
- used to measure small amounts of chemicals
- used to help pour liquids into a narrow side
- used to cover the top of a beaker to avoid splashing
15 Clues: holds liquids • used to stir mixtures • used to dispense solids • used to pick up hot beakers • used to carry out experiments • used to measure the mass of objects • used to weigh solids on the balance • cleaning and adding water to experiment • measures out specific volumes of liquids • used to measure small amounts of chemicals • used to dispense small amounts of chemicals • ...
Chemistry 9 2021-09-16
Across
- when paper is shredded it goes through a ________ change
- A smoothie is a _______ of foods
- Hydrogen is the first _______ on the periodic table
- When olive oil starts bubbling and spitting it has hit its _______ point
- A well-blended, seedless smoothie is a ___________ mixture
- The melting point is when aluminum changes from _____ to liquid
Down
- Most jewelry is made of silver due to its ____________
- when steel meets an acidic substance and rusts it’s called corrosion
- The amount of milk in a cup is called the _______
- Magnesium and Ammonia are both considered a ____ Substance
- When liquid water turns into ice, it's called a change of _____
- when a banana ripens it goes through a ________
- propane gas is used in barbecues because of its flammability
- A fruit salad is a _____________ mixture
- the ability of copper to _______ electricity
15 Clues: A smoothie is a _______ of foods • A fruit salad is a _____________ mixture • the ability of copper to _______ electricity • when a banana ripens it goes through a ________ • The amount of milk in a cup is called the _______ • Hydrogen is the first _______ on the periodic table • Most jewelry is made of silver due to its ____________ • ...
Practical Chemistry 2021-09-21
Across
- the colour of the residue on heating lead nitrate
- gas that turns moist lead acetate paper silvery black
- gas that changes anhydrous copper sulphate from white to blue
- gas that turns lime water milky
- a sublimable compound
- gas that gives curdy white ppt with silver nitrate
- gas that rekindles a glowing splinter
Down
- Suffocating gas that turns potassium dichromate orange to clear green
- gas that changes moist starch iodide paper to blue black
- colour of the flame imparted when calcium is present as the metallic ion
- basic gas that gives dense white fumes with hydrogen chloride
- copper carbonate changes to _______ colour on heating
- gas that extinguishes a burning splinter with pop sound
- the cation present when you see lilac color for the flame test
- reddish brown acidic gas
15 Clues: a sublimable compound • reddish brown acidic gas • gas that turns lime water milky • gas that rekindles a glowing splinter • the colour of the residue on heating lead nitrate • gas that gives curdy white ppt with silver nitrate • gas that turns moist lead acetate paper silvery black • copper carbonate changes to _______ colour on heating • ...
Chemistry Crossword 2021-01-13
Across
- row on periodic table
- Vertical column on Periodic table
- in all atoms has - charge
- gases conduct electricity low boiling point
- same number of protons but different neutrons
- mixture of metals and non metal like tin
- total mass of atom
- particle with no electric charge
Down
- table chemical elements chart
- subatomic particle with a + charge
- readily forms positive ions
- time of half reduction from value
- center core of atom largest mass
- number of protons in the nucleus of atom
- net electric charge due to loss or gain of electrons
15 Clues: total mass of atom • row on periodic table • in all atoms has - charge • readily forms positive ions • table chemical elements chart • center core of atom largest mass • particle with no electric charge • Vertical column on Periodic table • time of half reduction from value • subatomic particle with a + charge • mixture of metals and non metal like tin • ...
Chemistry Crossword 2021-01-05
Across
- A vertical column in the periodic table of the elements. Elements in a group have similar properties.
- An atom or group of atoms that has a positive or negative electric charge.
- An element that tends to be shiny, easily shaped, and a good conductor of electricity and heat
- number The total number of protons in an atom’s nucleus.
- A negatively charged particle outside an atom's nucleus
- An atom of one element that has a different number of neutrons than another atom of the same element.
- The central region of an atom where most of the atom's mass is found in protons and neutrons
- An element that has both properties of both metals and nonmetals.
Down
- A table of the elements, arranged by an atomic number that shows the patterns in their properties.
- A horizontal row in the periodic table of elements. Elements in a period have varying properties.
- The number of protons found in the nucleus of an atom.
- The length of time it takes for half of the atoms in a sample of a radioactive element to decay into atoms of another element.
- A positively charged particle located in an atom's nucleus
- An element that is not a metal and has properties generally opposite to those of a metal.
- A particle that has no electric charge
15 Clues: A particle that has no electric charge • The number of protons found in the nucleus of an atom. • A negatively charged particle outside an atom's nucleus • number The total number of protons in an atom’s nucleus. • A positively charged particle located in an atom's nucleus • An element that has both properties of both metals and nonmetals. • ...
Chemistry crossword 2020-12-18
Across
- strong alkalis that have OH symbol at last
- the element that have symbol K
- most nonreactive and lightest element
- shorthand way of referring to elements
- columns of periodic table
- solutions are ...
- the substance that is dissolves into
- ... of mass
Down
- every compound has...
- rows of periodic table
- variable that you change
- axis that you plot independent variable
- the substance that dissolves
- variable that you measure as the result
- variable that you keep the same
15 Clues: ... of mass • solutions are ... • every compound has... • rows of periodic table • variable that you change • columns of periodic table • the substance that dissolves • the element that have symbol K • variable that you keep the same • the substance that is dissolves into • most nonreactive and lightest element • shorthand way of referring to elements • ...
Chemistry Terms 2021-09-09
Across
- / The amount of matter in an object
- / The amount of space something occupies
- / State of matter that flows, takes shape of its container, and it has no defined shape
- / Anything that has mass and volume
- / Two or more atoms chemically combined
- / A branch of science that studies the properties of matter and how matter interacts with energy
- / Two or more substances physically combined
- / A molecule with two or more different types of atoms chemically combined
Down
- / State of matter with no shape, and it fills its container
- / State of matter that keeps its shape
- / A molecule with two or more of he same atoms chemically combined
- / The smallest part of matter
- / Part of an atom that is negatively charged and is located around the nucleus on orbits
- / Part of an atom that is charge-less and is located in the nucleus
- / Part of an atom that is positively charged and is located in the nucleus
15 Clues: / The smallest part of matter • / The amount of matter in an object • / Anything that has mass and volume • / State of matter that keeps its shape • / Two or more atoms chemically combined • / The amount of space something occupies • / Two or more substances physically combined • / State of matter with no shape, and it fills its container • ...
chemistry crossword 2021-09-05
Across
- What separates metals and non-metals
- The elements with atomic numbers 35,53 and 85 are all
- Which element had the most highest electronegative value in pauling scale
- Which block consists of metalloids?
- The group which consists of oxygen is called
- the element with most negative electron gain enthalpy
- s-block elements are all
- Which element had the most lowest electronegative value in pauling scale
Down
- What is the term used for atoms or ions with same number of electrons ?
- Gain Enthalpy Becomes less negative down or above the group?
- Which group has the highest electron gain enthalpy
- What is element with least atomic radius ?
- lanthanoids and actinoids together make
- mendeleev's periodic table was modified to
- the most inert element is
15 Clues: s-block elements are all • the most inert element is • Which block consists of metalloids? • What separates metals and non-metals • lanthanoids and actinoids together make • What is element with least atomic radius ? • mendeleev's periodic table was modified to • The group which consists of oxygen is called • Which group has the highest electron gain enthalpy • ...
Redox Chemistry 2021-08-26
Across
- another name for burning
- gain of valency electrons
- when a reaction releases heat
- loss of valency electrons
- oxidation and reduction
- a substance that has the ability to oxidise other substances
- when a reaction absorbs heat
Down
- show how a reaction gains or loses electrons
- what is H2SO4
- oxidation and reduction, always take place in a ...
- is combustion a redox reaction true of false
- reaction between iron(iii)oxide and aluminium
- bromine being displayed by chlorine, from a clouorless solution of potassium bromide. What colour is the solution
- Memory technique to remember the difference between oxidation and reduction
- a sub-atomic particle with a negative charge
15 Clues: what is H2SO4 • oxidation and reduction • another name for burning • gain of valency electrons • loss of valency electrons • when a reaction absorbs heat • when a reaction releases heat • show how a reaction gains or loses electrons • is combustion a redox reaction true of false • a sub-atomic particle with a negative charge • reaction between iron(iii)oxide and aluminium • ...
chemistry review 2022-03-21
Across
- not the same throughout
- make (a liquid) thinner or weaker by adding water or another solvent to it.
- the ability to be dissolved, especially in water.
- mix (metals) to make an alloy.
- the smallest of a substance
- the main component
- when two substances combine but keep there own properties.
Down
- present in a high proportion relative to other substances; having had water or other diluting agent removed or reduced.
- number below the element symbol
- a substance that takes part in and undergoes change during a reaction.
- the minor component in a solution, dissolved in the solvent.
- the result
- able to dissolve other substances.
- the same throughout
- sour and bitter
15 Clues: the result • sour and bitter • the main component • the same throughout • not the same throughout • the smallest of a substance • mix (metals) to make an alloy. • number below the element symbol • able to dissolve other substances. • the ability to be dissolved, especially in water. • when two substances combine but keep there own properties. • ...
Chemistry Crossword 2022-08-23
Across
- refers to how close a measured value is to an accepted value
- a physical property, such as mass, length, and volume, that is dependent upon the amount of substance present
- a characteristic of matter that can be observed or measured without changing the sample’s compisition-for example, density, color, taste, hardness, and melting point
- the number of all known digits reported in measurements plus one estimated digit
- a defined unit in a system of measurement that is based on an object or event in the physical world and is independent of other units
- a transition of matter from one state to another
- refers to how close a series of measurement are to one another; precise measurements show little variation over a series of trials but might not be accurate
Down
- the amount of mass per unit volume; a physical property
- a systematic approach to problem solving that uses conversion factors to move from one unit to another
- the ablility or inablilty of a substance to combine with or change into one or more new substances
- a process involving one or more substances changing into new substances; also called a chemical reaction
- a type of change that alters the physical properties of a substance but does not change its composition
- a physical property that remains the same no matter how much of a substance is present
- gaseous state of a substance that is a liquid or a solid at room temperature
- a ratio of equivalent used to express the same quantity in different units; is always equal to 1 and changes the units of a quantity without changing its value
15 Clues: a transition of matter from one state to another • the amount of mass per unit volume; a physical property • refers to how close a measured value is to an accepted value • gaseous state of a substance that is a liquid or a solid at room temperature • the number of all known digits reported in measurements plus one estimated digit • ...
Chemistry Terms 2022-09-21
Across
- an energy level defined by quantum theory
- the number of times a point on a wave passes a fixed reference point in one second
- 6.626 x 10^-34 Js
- electromagnetic radiation within the portion of the electromagnetic spectrum
- any quantum state of the system that has a higher energy than the ground state
- the emission of electrons when electromagnetic radiation, such as light, hits a material
- the distance between any given point and the same point in the next wave cycle
- power derived from the utilization of physical or chemical resources, especially to provide light and heat
Down
- light
- the lowest energy state of an atom or other particle
- a stable subatomic particle with a charge of negative electricity
- a function describing the location and wave-like behavior of an electron in an atom
- a particle representing a quantum of light or other electron magnetic radiation
- a displacement of a wave from zero
- a periodic disturbance that moves through space
15 Clues: light • 6.626 x 10^-34 Js • a displacement of a wave from zero • an energy level defined by quantum theory • a periodic disturbance that moves through space • the lowest energy state of an atom or other particle • a stable subatomic particle with a charge of negative electricity • electromagnetic radiation within the portion of the electromagnetic spectrum • ...
Organic Chemistry 2022-01-26
Across
- organic compounds in which all the carbon atoms are connected by single bonds
- aromatic organic compounds containing solely carbon and hydrogen atoms
- a compound containing carbon and hydrogen joined together in straight chains, branched trains or non-aromatic rings
- the process of breaking a covalent bond in a neutral molecule takes both original bonding electrons
- a two-stage reaction process of an addition reaction followed by an elimination reaction that gives an overall effect of substitution
Down
- a formula giving the number of atoms of each of the elements present in one molecule of a specific compound
- a formula giving the proportions of the elements present in a compound but not the actual numbers or arrangement of atoms
- a chemical compound that contains carbon-carbon double bonds or triple bonds
- a compound whose molecule has the same number of atoms of each element as another, but with logically distinct bonds between them
- a formula which shows the arrangement of atoms in the molecule of a compound
- a chemical species that forms bonds with nucleophiles by accepting an electron pair
- a reaction in which two molecules combine with elimination of a simple molecule
- an organic reaction where two or more molecules combine to form a larger one
- a substance consumed in the course of a chemical reaction
- used in mechanisms to show the various electron pairs moving around
15 Clues: a substance consumed in the course of a chemical reaction • used in mechanisms to show the various electron pairs moving around • aromatic organic compounds containing solely carbon and hydrogen atoms • a chemical compound that contains carbon-carbon double bonds or triple bonds • a formula which shows the arrangement of atoms in the molecule of a compound • ...
Organic Chemistry 2022-01-26
Across
- Aromatic hydrocarbons
- A substance that enters into and is altered in the course of a chemical reaction
- Chemical bond dissociation of a molecular bond by a process where each of the fragments retain one of the originally bonded electrons
- A molecular fragment that departs with a pair of electrons in heterolytic bond clevage
- A formula giving the proportions of the elements present in a compound but not the actual numbers or arrangements of atoms
- used in mechanisms to show the various electron pairs moving around
Down
- The process of breaking a covalent bond where one previously bonded species takes both original bonding electrons from the other species
- Another compound whose molecule has the same number of atoms of each element, but with logically distinct bonds between them
- A chemical reaction during which one functional group in a chemical compound is replaced by another functional group
- A reaction in which two or more molecules combine to form a larger molecule, with the simultaneous loss of a small molecule such as water or methanol
- A chemical species that forms bonds with electrophiles by donating an electron pair
- Any organic chemical compound in which the atoms are connected by single, double, or triple bonds to form nonaromatic structures
- A formula which shows the arrangement of atoms in the molecule of a compound
- An organic reaction where 2+ molecules combine to form a larger one
- A chemical species that forms bonds with nucleophiles by accepting an electron pair
15 Clues: Aromatic hydrocarbons • An organic reaction where 2+ molecules combine to form a larger one • used in mechanisms to show the various electron pairs moving around • A formula which shows the arrangement of atoms in the molecule of a compound • A substance that enters into and is altered in the course of a chemical reaction • ...
chemistry crossword 2022-11-03
Across
- full VE shell
- positive charge equal to electrons
- bond sharing 2 pairs of electrons
- transfers electrons
- shares electrons
- model showing VE
- bond sharing 1 pair of electrons
- holds atoms in metallic substances
Down
- holds atoms together within a molecule
- the outermost shell of an element
- electrons aren't shared equally
- electrons shared equally between 2 atoms
- positive ion
- positively charged core of an atom
- formed by sharing 3 pairs of electrons
15 Clues: positive ion • full VE shell • shares electrons • model showing VE • transfers electrons • electrons aren't shared equally • bond sharing 1 pair of electrons • the outermost shell of an element • bond sharing 2 pairs of electrons • positive charge equal to electrons • positively charged core of an atom • holds atoms in metallic substances • holds atoms together within a molecule • ...
Chemistry Vocab 2023-09-07
Across
- composed of two or more types of elements
- Smallest particle in a chemical element
- ability to dissolve in a liquid
- tendency of a substance to undergo chemical changes
- cannot be broken into anything
- substances can be visibly distinguished
Down
- solid substance formed when two solutions are chemically combined
- pH of less than 7
- new substances formed in a chemical reaction
- good conductors, malleable and ductile
- increases the rate of a chemical reaction
- pH more than 7
- positive charge
- used to classify solutions
- No charge
15 Clues: No charge • pH more than 7 • positive charge • pH of less than 7 • used to classify solutions • cannot be broken into anything • ability to dissolve in a liquid • good conductors, malleable and ductile • Smallest particle in a chemical element • substances can be visibly distinguished • composed of two or more types of elements • increases the rate of a chemical reaction • ...
Chemistry Crossword 2023-10-04
Across
- a measure of the amount and type of matter in an object
- a group of atoms bonded together
- having the properties of an alkali, or containing alkali
- to act on or change someone or something
- a substance formed from two or more elements chemically united in fixed proportions
- an atom or molecule with a net electric charge due to the loss or gain of one or more electrons
- in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign
Down
- a change in physical form or a nuclear reaction
- the positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass
- the mass of an atom of a chemical element expressed in atomic mass units
- the charge number of an atomic nucleus
- consisting of uncombined atoms rather than molecules
- a substance that cannot be broken down into any other substance
- a subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.
- a molecule or other entity that can donate a proton or accept an electron pair in reactions.
15 Clues: a group of atoms bonded together • the charge number of an atomic nucleus • to act on or change someone or something • a change in physical form or a nuclear reaction • consisting of uncombined atoms rather than molecules • a measure of the amount and type of matter in an object • having the properties of an alkali, or containing alkali • ...
Chemistry Revision 2023-10-13
Across
- Solid to Gas
- Liquid to Solid
- Sodium Chloride
- Particles in fluids move randomly
- Gas to Liquid
- decreasing the concentration of a solute in a solution
- It is a graph that uses the measurement /100g water
- When the particles are touching but not as close as a solid
Down
- When particles are far apart
- The only way that they move is by vibrating
- A substance with a solute and solvent mixed together
- Solid to Liquid
- Liquid to Gas
- A substance mixed in a solvent
- The movement of particles from a high concentration to a low concentration
15 Clues: Solid to Gas • Liquid to Gas • Gas to Liquid • Solid to Liquid • Liquid to Solid • Sodium Chloride • When particles are far apart • A substance mixed in a solvent • Particles in fluids move randomly • The only way that they move is by vibrating • It is a graph that uses the measurement /100g water • A substance with a solute and solvent mixed together • ...
Chemistry Revision 2023-10-13
Across
- Solid to Gas
- Liquid to Solid
- Sodium Chloride
- Particles in fluids move randomly
- Gas to Liquid
- decreasing the concentration of a solute in a solution
- It is a graph that uses the measurement /100g water
- When the particles are touching but not as close as a solid
Down
- When particles are far apart
- The only way that they move is by vibrating
- A substance with a solute and solvent mixed together
- Solid to Liquid
- Liquid to Gas
- A substance mixed in a solvent
- The movement of particles from a high concentration to a low concentration
15 Clues: Solid to Gas • Liquid to Gas • Gas to Liquid • Solid to Liquid • Liquid to Solid • Sodium Chloride • When particles are far apart • A substance mixed in a solvent • Particles in fluids move randomly • The only way that they move is by vibrating • It is a graph that uses the measurement /100g water • A substance with a solute and solvent mixed together • ...
Chemistry Crossword 2024-02-19
Across
- the variable you measure as a result or in response to a change in an experiment
- an educated prediction based on what you know
- using your senses to gather information
- a statement that summarizes and explains the results of the experiment
- the supplies or resources you need
- also known as the problem or purpose; it’s what you want to solve
- the data that gives descriptive traits or characteristics
- the data that provides amounts or numerical measurements
Down
- the one variable you change in an experiment
- all the variables that remain constant or stay the same in an experiment
- the name for the actual testing portion of a lab
- the big process or set of steps all scientists follow
- the smaller step-by-step instructions you follow during the test
- the step you must preform before a hypothesis, to gather more information and give you background information
- finding patterns, similarities, and differences in the data
15 Clues: the supplies or resources you need • using your senses to gather information • the one variable you change in an experiment • an educated prediction based on what you know • the name for the actual testing portion of a lab • the big process or set of steps all scientists follow • the data that provides amounts or numerical measurements • ...
Chemistry Terms 2020-07-09
Across
- THEY are chemical compounds that are formed by the reaction of an acid and a base.
- The central core of an atom containing the protons and neutrons.
- 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 said to be basic or alkaline.
- A table of the chemical elements arranged by atomic number.
- A family of elements that makes up column 18 of the periodic table. They are very stable due to their full outer electron shells.
- A particle in the nucleus of an atom that has no electric charge.
- A substance that is a good conductor of heat and electricity. They are generally malleable, ductile, and shiny.
- 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.
- IT is formed when two or more atoms are joined together by a chemical bond.
Down
- A particle within the nucleus of an atom that holds a positive charge.
- An electron in an atom that can participate in a chemical bond
- The process that occurs when two or more chemical substances are combined to form another chemical substance.
- A substance is said to be THIS if it can be pounded into a thin sheet.
- A combination of two or more substances that are not chemically combined.
- The name for the process when oxygen combines with another element to form a compound.
15 Clues: A table of the chemical elements arranged by atomic number. • An electron in an atom that can participate in a chemical bond • The central core of an atom containing the protons and neutrons. • A particle in the nucleus of an atom that has no electric charge. • A particle within the nucleus of an atom that holds a positive charge. • ...
kayley - chemistry 2019-10-18
Across
- the basic unit of a chemical element
- a thing that is composed of two or more separate elements
- characteristic of a substance that may be observed when it participates in a chemical reaction
- having assets in excess of liabilities; able to pay one's debts
- cloudy
- undergoes changes during a reaction
- an article or substance that is manufactured or refined for sale
- Russian chemist who developed a periodic table of the chemical elements and predicted the discovery of several new elements
Down
- a part or aspect of something abstract, especially one that is essential or characteristic
- the mass of an atom of a chemical element expressed in atomic mass units
- same
- final product
- different
- things you can observe
- a gesture of respect, homage, or polite recognition or acknowledgment, especially one made to or by a person when arriving or departing
15 Clues: same • cloudy • different • final product • things you can observe • undergoes changes during a reaction • the basic unit of a chemical element • a thing that is composed of two or more separate elements • having assets in excess of liabilities; able to pay one's debts • an article or substance that is manufactured or refined for sale • ...
Chemistry: Metals 2020-05-15
Across
- The gas produced when calcium reacts with water.
- Able to be drawn into a thin wire
- The type of reaction between zinc and copper (II) sulfate
- The reaction that takes place when iron reacts with oxygen in the presence of water
- Easily bent
- Metals react with this to produce salt and hydrogen
Down
- Calcium reacts with water to produce calcium ..........
- The force between the positive ions and free electrons in a metal
- An alloy made of copper and zinc
- Blue copper (II) sulfate solution turns to this colour when iron is placed in it
- Zinc ......... is formed when zinc reacts with steam.
- This metal is the main constituent in steel
- A regular repeated three dimensional arrangement of particles
- This metal does not react with water due to a protective oxide layer that forms on its surface
- A mixture of a metal and other elements which is stronger and more durable than the pure metal
15 Clues: Easily bent • An alloy made of copper and zinc • Able to be drawn into a thin wire • This metal is the main constituent in steel • The gas produced when calcium reacts with water. • Metals react with this to produce salt and hydrogen • Zinc ......... is formed when zinc reacts with steam. • Calcium reacts with water to produce calcium .......... • ...
Chemistry Puzzle 2020-09-03
Across
- What is the most common isotope of hydrogen(9)
- Acid released by bees in a bee sting; other name of formic acid(13)
- What is called indian saltpeter(13)
- Name the indicator which turns red when added to base(8)
- Catalytic converters are generally made of(16)
- Most commonly used bleaching agent is(8)
Down
- Copper loses lusture due to the formation of(15)
- Acid having pH value of 4(10)
- Strongest oxidizing agent(8)
- Stearic acid is present in(4)
- What is used in medicines for treating indigestion(7)
- pH of concentrated HCl is(4)
- What colour would hydrochloric acid (ph 1) turn universal indicator into(9)
- No. of water molecules in GYPSUM as water of crystallisation is(3)
- Malic acid is present(6)
15 Clues: Malic acid is present(6) • Strongest oxidizing agent(8) • pH of concentrated HCl is(4) • Acid having pH value of 4(10) • Stearic acid is present in(4) • What is called indian saltpeter(13) • Most commonly used bleaching agent is(8) • What is the most common isotope of hydrogen(9) • Catalytic converters are generally made of(16) • ...
Nuclear chemistry 2024-05-07
Across
- atom characterized by the number of protons
- conversion of one chemical element
- high speed electron
- Series of chemical reactions
- positively charged particle
- nuclei combine
- property of some unstable atoms
- radioactive decay
Down
- a reaction that involves change in atom
- nucleus split into smaller nuclei
- disintegration of radioactive substance
- nuclear species of the same chemical element
- basic building block of chemistry
- electromagnetic radiation
- Reduce to half of its initial value
15 Clues: nuclei combine • radioactive decay • high speed electron • electromagnetic radiation • positively charged particle • Series of chemical reactions • property of some unstable atoms • nucleus split into smaller nuclei • basic building block of chemistry • conversion of one chemical element • Reduce to half of its initial value • a reaction that involves change in atom • ...
GCSE chemistry 2024-05-01
Across
- colour of flame test for potassium.
- the state of matter of Bromine
- the type of polymerisation present in the production of poly(ethene)
- a reaction in which thermal energy is absorbed from the surroundings
- the most reactive Halogen
- the name of the process used to make ammonia
Down
- a reaction between an acid and a base
- formula showing the lowest whole number ratio of atoms in a molecule
- the negatively charged particle in an atom
- atoms of same element with a different number of neutrons
- Group 1 the —————— metals
- precipitate colour produced when a chloride reacts with acidified silver nitrate
- when a solid is formed in a solution
- colour change of Bromine water when in the presence of a carbon to carbon double bond
- the type of molecule made by reacting an alcohol and a carboxylic acid
15 Clues: Group 1 the —————— metals • the most reactive Halogen • the state of matter of Bromine • colour of flame test for potassium. • when a solid is formed in a solution • a reaction between an acid and a base • the negatively charged particle in an atom • the name of the process used to make ammonia • atoms of same element with a different number of neutrons • ...
Nuclear Chemistry 2024-05-08
Across
- The use of radioisotopes to diagnose and treat diseases
- composite particles consisting of two protons and two neutrons tightly bound together
- the amount of time it takes for half of a radioactive isotope/sample to decay
- when neutrons from proceeding fission reaction then split more atoms and the fission continues like dominos
- where fission is occurring at the nuclear power plant
- elements passed number 92, which are synthetic
- when one nucleus slams into another, creating a new nucleus
- controlled fission is how we get ______.
Down
- all of the forms of light
- the spontaneous breakdown of unstable nuclei
- when a nucleus splits into two daughter nuclei, and releases an excess of neutrons as well
- when two smaller nuclei combine to form a larger one
- a term for any type of light or fast moving particle that emanates outward in all directions
- Used to treat thyroid disease
- used as a coolant in a nuclear reactor
15 Clues: all of the forms of light • Used to treat thyroid disease • used as a coolant in a nuclear reactor • controlled fission is how we get ______. • the spontaneous breakdown of unstable nuclei • elements passed number 92, which are synthetic • when two smaller nuclei combine to form a larger one • where fission is occurring at the nuclear power plant • ...
Chemistry vocab 2024-03-20
Across
- A solution that has a relatively low concentration of solute.
- The substance being dissolved in a solution.
- The maximum amount of solute that can dissolve in a given amount of solvent at a specified temperature.
- Central to the unit, understanding what a solution is and its components (solute and solvent) is fundamental.
- Reaction: A chemical reaction between an acid and a base, resulting in the formation of water and a salt.
- A measure of the acidity or basicity of a solution.
- Substances that dissociate into ions in solution and conduct electricity.
Down
- Solution: A solution in which more solute can be dissolved at a given temperature.
- Another measure of concentration, defined as the number of moles of solute per kilogram of solvent.
- The substance in which the solute is dissolved.
- Solution: A solution in which the maximum amount of solute has dissolved at a given temperature.
- (M): A measure of concentration, defined as the number of moles of solute per liter of solution.
- A substance that donates protons or accepts electrons.
- A substance that accepts protons or donates electrons.
- Substances that do not dissociate into ions in solution and do not conduct electricity.
15 Clues: The substance being dissolved in a solution. • The substance in which the solute is dissolved. • A measure of the acidity or basicity of a solution. • A substance that donates protons or accepts electrons. • A substance that accepts protons or donates electrons. • A solution that has a relatively low concentration of solute. • ...
Chemistry Crossword 2024-08-17
Across
- Many units that make up polymer molecules
- Deoxyribonucleic acid
- Substance molecule dissolves in
- Dissolves into another molecule
- A type of chemistry that deals with carbon-containing compounds
- Machine that creates proteins
- polymerase Reads the DNA to make a temporary copy for RNA
- A reaction when molecules trade places
- A reaction when molecules break apart
Down
- A reaction when molecules join together
- Ribonucleic acid
- Proteins that break the bonds of glucose molecules
- A reaction when molecules are removed
- Fats with no double bonds
- A count that represents certain number of things
- Fats that have double bonds
16 Clues: Ribonucleic acid • Deoxyribonucleic acid • Fats with no double bonds • Fats that have double bonds • Machine that creates proteins • Substance molecule dissolves in • Dissolves into another molecule • A reaction when molecules are removed • A reaction when molecules break apart • A reaction when molecules trade places • A reaction when molecules join together • ...
PREIB Chemistry 2023-03-02
Across
- white substance formed like AgCl, AgBr and AgI
- a substance used to identify a substance acidic or basic
- type of analytical analyses based on the amount of substances
- reaction between acid and base
- point the point in a titration at which we stop adding the
- proton donor
- pH of water
Down
- acid base indicator that gives pink color with alkali
- used to measure accurate volume of titrant
- a device used to measure pH
- a solution of known concentration
- [H+] is also known as ___________
- type of analytical analyses based on substances present
- substances like vinegar and juices are considered ______
- proton acceptor
15 Clues: pH of water • proton donor • proton acceptor • a device used to measure pH • reaction between acid and base • a solution of known concentration • [H+] is also known as ___________ • used to measure accurate volume of titrant • white substance formed like AgCl, AgBr and AgI • acid base indicator that gives pink color with alkali • ...
PREIB Chemistry 2023-03-02
Across
- white substance formed like AgCl, AgBr and AgI
- a substance used to identify a substance acidic or basic
- type of analytical analyses based on the amount of substances
- reaction between acid and base
- point the point in a titration at which we stop adding the
- proton donor
- pH of water
Down
- acid base indicator that gives pink color with alkali
- used to measure accurate volume of titrant
- a device used to measure pH
- a solution of known concentration
- [H+] is also known as ___________
- type of analytical analyses based on substances present
- substances like vinegar and juices are considered ______
- proton acceptor
15 Clues: pH of water • proton donor • proton acceptor • a device used to measure pH • reaction between acid and base • a solution of known concentration • [H+] is also known as ___________ • used to measure accurate volume of titrant • white substance formed like AgCl, AgBr and AgI • acid base indicator that gives pink color with alkali • ...
Chemistry Solutions 2023-04-25
Across
- Incapable of being dissolved in a particular solvent.
- A solution that contains less than the maximum amount of solute that can be dissolved in a particular solvent at a particular temperature and pressure.
- The maximum amount of solute that can be dissolved in a given amount of solvent at a particular temperature and pressure.
- Capable of being mixed in all proportions.
- The substance in a solution that dissolves the other substance(s).
- A solution that contains the maximum amount of solute that can be dissolved in a particular solvent at a particular temperature and pressure.
- A mixture that is uniform in composition throughout.
- Capable of being dissolved in a particular solvent.
- A substance that dissolves in water to produce ions that can conduct electricity.
Down
- The substance in a solution that is dissolved by the solvent.
- A substance that does not produce ions when it dissolves in water and cannot conduct electricity.
- Incapable of being mixed in all proportions.
- A solution that contains more solute than can normally be dissolved in a particular solvent at a particular temperature and pressure.
- A concentration unit that expresses the number of moles of solute per kilogram of solvent.
- A concentration unit that expresses the number of moles of solute per liter of solution.
15 Clues: Capable of being mixed in all proportions. • Incapable of being mixed in all proportions. • Capable of being dissolved in a particular solvent. • A mixture that is uniform in composition throughout. • Incapable of being dissolved in a particular solvent. • The substance in a solution that is dissolved by the solvent. • ...
