chemistry Crossword Puzzles
Chemistry 2025-10-30
10 Clues: D=m/v • Solute+solvent • Resistance to flow • Has a definite volume • Below the atomic symbol • Matter and how it changes • A single atom or molecule • Makes up 99% of our universe • Tells you the charge of the ion • Proteins, lipids, carbs and nucleic acids.
Chemistry 2025-11-21
Across
- Removing a liquid by turning it into gas.
- Forming solid crystals from a solution.
- Separating insoluble solids using a filter.
- Spinning to separate mixtures by density.
Down
- Separating substances by how they move through a mediu
- Separation by boiling and condensing
- Solid to gas to separate components.
- Using mesh to separate particles by size.
- Uses magnetic force to separate metals.
- Pouring off liquid from settled solids.
10 Clues: Separation by boiling and condensing • Solid to gas to separate components. • Forming solid crystals from a solution. • Uses magnetic force to separate metals. • Pouring off liquid from settled solids. • Removing a liquid by turning it into gas. • Using mesh to separate particles by size. • Spinning to separate mixtures by density. • ...
vocabulary 2024-03-26
12 Clues: iron • good • mass • write • change • placed • beyond • within • oxygen • chemistry • same atom and only one capital letter • 2 or more elements and is a chemical formula
Green Chemistry-SDG 2022-09-03
Across
- ____economy is reducing waste at the molecular level
- is an example of green chemistry
- substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
- Design for ____ efficiency means choosing the least energy-intensive chemical route.
Down
- green_____ is the design of chemical products and processes that reduce or eliminate the use or generation of hazardous substances.
- ____ prevention is the first principle of green chemistry
- Universal solvent
7 Clues: Universal solvent • is an example of green chemistry • ____economy is reducing waste at the molecular level • ____ prevention is the first principle of green chemistry • Design for ____ efficiency means choosing the least energy-intensive chemical route. • ...
Chemistry Review 2020-08-24
Across
- Capacity to due work
- Stored energy that could do work but is not doing so
- Proton donor
- Building blocks are amino acids
- Positive charge
- Smallest particle of an element
- Amount of matter in an object
- Simplest type of matter having unique chemical properties
Down
- Form of energy that does work
- Substance that dissolves in nonpolar solvents
- Negative charge
- Energy currency of cells
- All living and nonliving things are composed of this
- Gravitational force acting on an object of a given mass
- Functions in energy
- Proton acceptor
- No electrical charge
17 Clues: Proton donor • Negative charge • Proton acceptor • Positive charge • Functions in energy • Capacity to due work • No electrical charge • Energy currency of cells • Form of energy that does work • Amount of matter in an object • Building blocks are amino acids • Smallest particle of an element • Substance that dissolves in nonpolar solvents • ...
Chemistry assignment 2020-09-02
Across
- which one of the following is acidic?(a) lemon juice (b) tomatoes (c)milk (d)all
- In a chemical reaction between sulphuric acid and barium chloride solution the white precipitates formed are of:
- Which gase is used in the storage of fat and oil containing foods for a long time?
- which one of the following will turn red litmus blue?(a)vinegar (b)baking soda (c)lemon juice (d)soft drinks
- this is used for dissolution of gold..
- Nature of calium phosphate present in tooth ennamel...
- aqueous solution of sodium chloride is..
- on heating blue coloured powder of copper(II) nitrate in a boiling tube, copper oxide(black), oxygen gas and a brown gas X is formed. Identify the brown gas X.
- In addition to sodium hydrogen carbonate, baking powder contains a substance X. Name X.
Down
- used to build airplane bodies?
- which one of the following will turn blue litmus red?(a)vinegar (b)lime water (c)baking soda (d)washing soda
- A metal that do not react with water at all?
- when a magnesium ribbon is burnt in air, the ash formed is
- the respiration process during which glucose undergoes slow combustion by combining with oxygen in the cells of our body to produce energy, is a kind of:
- alloy of copper and zinc?
- A white salt on heating decomposes to give brown fumes and yellow residue is left behind. Name the salt.
- which acid is found in apples?
17 Clues: alloy of copper and zinc? • used to build airplane bodies? • which acid is found in apples? • this is used for dissolution of gold.. • aqueous solution of sodium chloride is.. • A metal that do not react with water at all? • Nature of calium phosphate present in tooth ennamel... • when a magnesium ribbon is burnt in air, the ash formed is • ...
Fun Chemistry! 2013-12-15
Across
- Being able to dissolve in water.
- The quality of being soluble.
- A conducting medium, conductor.
- A negatively charged ion.
- The property of conducting of heat electricity or sound.
- Not saturated.
- A substance that dissolves another to form a solution.
- A mixture of two or more substance.
Down
- The substance dissolved in a given solution.
- Used to measure concentration, moles per liter.
- Decomposition of a chemical complex.
- Bonds which doesn't involve ion charges.
- The substance which are left behind after an reaction.
- Containing the maximum amount of solute capable of being dissolved.
- To change into ions.
- When a metal and a nonmetal are bonded together.
- A positively charged ion.
17 Clues: Not saturated. • To change into ions. • A negatively charged ion. • A positively charged ion. • The quality of being soluble. • A conducting medium, conductor. • Being able to dissolve in water. • A mixture of two or more substance. • Decomposition of a chemical complex. • Bonds which doesn't involve ion charges. • The substance dissolved in a given solution. • ...
Chemistry: Periodicity 2013-05-17
Across
- Na2O and MgO both react with acids to give a......... and water.
- Heated magnesium and steam gives hydrogen and..
- Oxide bonded ionically with some covalent character.
- Oxidation state of Mg.
- Noble gas in period 3.
- .............. forms alkaline solutions in water.
- Red and White phosphorus are...
- Aluminium oxide and Silicon oxide are both..........in water.
Down
- Can act as an acid or a base.
- Structure of Magnesium Oxide.
- Loss of electrons.
- The three elements in period 3 that react with water are; Sodium, Magnesium and.....
- Colour of flame when Sodium is heated with oxygen
- Structure of Silicon Oxide
- Bonding in P4O10.
- Colour of flame when sodium is heated with oxygen.
- All retains of elements in Period 3 are...
17 Clues: Bonding in P4O10. • Loss of electrons. • Oxidation state of Mg. • Noble gas in period 3. • Structure of Silicon Oxide • Can act as an acid or a base. • Structure of Magnesium Oxide. • Red and White phosphorus are... • All retains of elements in Period 3 are... • Heated magnesium and steam gives hydrogen and.. • Colour of flame when Sodium is heated with oxygen • ...
Organic Chemistry 2015-05-21
Across
- Molecules with the same chemical formula but different chemical structures
- The atom or atoms that replace a hydrogen atom in a hydrocarbon
- A simple organic compound containing both a carboxyl (—COOH) and an amino (—NH2) group.
- An exothermic reaction with oxygen, releasing heat
- An organic reaction in which ethanol and carbon dioxide are produced from a carbohydrate
- An organic compound with acidic properties
- A class of hydrocarbons consisting of only hydrogen and carbon
- A substance that has a molecular structure consisting chiefly or entirely of a large number of similar units bonded together
- An organic compound containing the hydroxyl group (-OH) as the functional group
Down
- The sharing of three pairs of electrons between two nuclei
- The action of purifying a liquid by the process of heating and cooling
- The reaction of an alkali and a fat to produce glycerol and soap
- Unrefined petroleum
- One of a homologous series of saturated hydrocarbons
- An organic compound consisting entirely of hydrogen and carbon
- Being a polyhedral angle with four faces
- A chemical compound that has a chain of carbon atoms consisting of single bonds
17 Clues: Unrefined petroleum • Being a polyhedral angle with four faces • An organic compound with acidic properties • An exothermic reaction with oxygen, releasing heat • One of a homologous series of saturated hydrocarbons • The sharing of three pairs of electrons between two nuclei • An organic compound consisting entirely of hydrogen and carbon • ...
Clinical Chemistry 2014-09-07
Across
- Linear distance between any two equivalent points on a successive wave
- Type of spectroscopy which examines the wavelengths of photons emitted by atoms during their transition from an excited state to a lower state.
- designed to hold samples for experiments
- measurement of the amount of luminous light falling on a surface from a source
- The fraction of incident light at a specified wavelength that passes through a sample.
- measures the intensity as a function of the light source wavelength.
- detect and amplify radiant energy to the light absorbed.
- Isolate an individual wavelength of light
- measure light scattered by particulates in a solution.
- exchanged when electrical charged subatomic particles interact.
Down
- Light that can be seen by the human eye.
- emission of light is created from a chemical or electrochemical reaction.
- The total range of wavelengths transmitted.
- layers of light sensitive materials release excited electrons to light
- measures light scattering as a decrease in the light through a solution.
- electomagnetic radiation with a wavelenth shorter than visible light but longer than x-rays
- give off electrons when light energy strikes
17 Clues: Light that can be seen by the human eye. • designed to hold samples for experiments • Isolate an individual wavelength of light • The total range of wavelengths transmitted. • give off electrons when light energy strikes • measure light scattered by particulates in a solution. • detect and amplify radiant energy to the light absorbed. • ...
CHEMISTRY CROSSWORD 2016-06-08
Across
- something that can be dissolved
- a substance with particular chemical properties
- requiring the absorption of heat.
- The substances that result from this recombination of atoms are called the products of the reaction.
- physical matter of which a person or thing consists and which has a tangible, solid presence.
- A measure of how much matter is in an object.
- When a substance (or a few substances) change into another substance.
- In physics, the ability to do work
- liquid mixture
- the chemical element of atomic number 11
Down
- Table a table of the chemical elements arranged in order of atomic number, usually in rows.
- relating to an atom or atoms.
- about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.
- the release of heat.
- each of more than one hundred substances that cannot be chemically interconverted or broken down into simpler substances and are primary constituents of matter.
- Any of a class of compounds that form hydroxyl ions (OH) when dissolved in water
- n electromagnetic wave of high energy and very short wavelength, which is able to pass through many materials opaque to light.
17 Clues: liquid mixture • the release of heat. • relating to an atom or atoms. • something that can be dissolved • requiring the absorption of heat. • In physics, the ability to do work • the chemical element of atomic number 11 • A measure of how much matter is in an object. • a substance with particular chemical properties • ...
Chemistry Vocab 2023-03-13
Across
- the amount of solar radiation reaching a given area.
- directly heating something up
- substances through which electricity can flow
- A circuit that is fully complete
- an electromotive force or potential difference expressed in volts.
- charged particles are transferred from one body to another.
- making lots of static electricity.
- short for ampere
Down
- an electrical discharge caused by imbalances between storm clouds and the ground
- an electrical circuit that is not complete.
- flow of electric current between two electrically charged objects
- a complete circular path that electricity flows through
- repulsive interaction between charged bodies
- energy transmitted through collisions
- the rate at which electrons flow past a point in a complete electrical circuit.
- A connection between an electrical conductor and the Earth
- operates opposite the direction of motion of a body
17 Clues: short for ampere • directly heating something up • A circuit that is fully complete • making lots of static electricity. • energy transmitted through collisions • an electrical circuit that is not complete. • repulsive interaction between charged bodies • substances through which electricity can flow • operates opposite the direction of motion of a body • ...
Chemistry Solutions 2023-04-21
Across
- ability to be dissolved
- 2 or more substances
- substance being dissolved
- moles of solute divided by the kg of a solvent
- addition of solvent, which decreases concentration of solute in solution
- solution that contains more undissolved solute than saturated solution because of its tendency to crystalize
- not forming a homogeneous mixture when added together
- substances that give ions when dissolved in water
- dissolving medium
Down
- substance dissolved in a solvent
- solution w/solute that dissolves until it is unable to dissolve anymore
- solution that contains less than the max. amount of solute that is capable of being dissolved
- percent ratio of the mass of solute present in the solution
- substance that doesn't dissolve in a solvent
- number of moles of solute per liter of solution
- compound that does not conduct an electric current in an aqueous solution or in molten state
- forming a homogeneous mixture when added together
17 Clues: dissolving medium • 2 or more substances • ability to be dissolved • substance being dissolved • substance dissolved in a solvent • substance that doesn't dissolve in a solvent • moles of solute divided by the kg of a solvent • number of moles of solute per liter of solution • forming a homogeneous mixture when added together • ...
Chemistry vocab 2020-03-19
Across
- a bond between 2 or more atoms and is the smallest representation of a compound
- is a positively charged ion
- anything with volume and mass
- a part of science that describes properties and the interaction between substances
- a particle within the nucleus with a positive charge
- bond between nonmetals
- groups of 2 or more atoms of the same or different elements
- is a negatively charged ion
Down
- small, make up everything in our world, and bond to form molecules and compounds
- is 1 or 2 letters that represent and abbreviate the chemical
- a particle around the nucleus constantly moving and exists in a wave
- the small center of an atom with a positive charge containing the protons and neutrons
- electrons are electrons with the most amount of energy in the outer shell of the electron cloud
- a particle within the nucleus with no charge
- a bond between a nonmetal and a metal
- a substance that can’t be broken down into other substances
- a physical property and determines strength of its gravitational pull
17 Clues: bond between nonmetals • is a positively charged ion • is a negatively charged ion • anything with volume and mass • a bond between a nonmetal and a metal • a particle within the nucleus with no charge • a particle within the nucleus with a positive charge • a substance that can’t be broken down into other substances • ...
Chemistry Element 2022-05-05
Across
- Ooh das hot
- boom
- rare
- used in reactors
- used to make safe water by killing germs
- its ion can exist as a proton
- important in blood circulation
- makes your voice different
- reacts with Cl to make salt
Down
- plants take in
- a yellow powder
- the only metal found as a liquid in RTP
- shiny and hard
- blue
- can make cars go sonic
- has 2 "I"s
- Cr
17 Clues: Cr • boom • rare • blue • has 2 "I"s • Ooh das hot • plants take in • shiny and hard • a yellow powder • used in reactors • can make cars go sonic • makes your voice different • reacts with Cl to make salt • its ion can exist as a proton • important in blood circulation • the only metal found as a liquid in RTP • used to make safe water by killing germs
Chemistry Crossword 2016-12-04
Across
- Type of compounds that share electrons
- How well a solution can conduct hear
- Mixture composed of a solute being evenly distributed within a solvent
- Process where atoms or molecules gets a negative or positive charge by gaining or losing electrons to form ions
- Type of compounds that are formed by the transfer of electrons
- When a solution cannot dissolve any more substance
- When solution is able to dissolve more solute
- The substance that is dissolved in another
Down
- Process of separating positive and negative ions in a solution
- A substance that dissolves another substance
- When a substance is capable of being dissolved
- Measure of the concentration of a solute in a solution in a given volume
- A solution that conducts electricity
- A solid substance that is created from a solution
- Amount of substance that can be dissolved in a given amount of solvent
- Negatively charged ion
- Positively charged ion
17 Clues: Negatively charged ion • Positively charged ion • A solution that conducts electricity • How well a solution can conduct hear • Type of compounds that share electrons • The substance that is dissolved in another • A substance that dissolves another substance • When solution is able to dissolve more solute • When a substance is capable of being dissolved • ...
Chemistry lessons 2023-05-10
Across
- Country name related to element number 115
- The 118 elements of the periodic table are classified in order of increasing (2 words)
- pH category of a solution with a pH of 5
- Substance which disappears during a chemical reaction
- Name of the most common solvent
- Compound capable of capturing one or more hydrogen ions
- Oil and water form a ….. solution
- Name of the glassware in which a solution is prepared (2 words)
- Atom or molecule with a charge due to the loss or gain of one or more electron
Down
- Name of a positive ion
- Name of the compound composed of one oxygen atom and two hydrogen atoms
- Name of a technique that can be used to separate the components of a mixture
- Name of the solution from which a dilution is made (2 words)
- Name of a negative ion
- In a chemical equation it is necessary to specify the state of the matter which can be solid, liquid, gas or...
- Name of the scientist who developed the periodic table
- …. is formed when two or more atoms bond together
- Name of the compound composed of one carbon atom and four hydrogen atoms
18 Clues: Name of a positive ion • Name of a negative ion • Name of the most common solvent • Oil and water form a ….. solution • pH category of a solution with a pH of 5 • Country name related to element number 115 • …. is formed when two or more atoms bond together • Substance which disappears during a chemical reaction • Name of the scientist who developed the periodic table • ...
Chemistry Review 2024-09-10
Across
- part of an atom that has a negative charge
- one kind of energy the sun gives off
- a group of atoms bonded together
- made of two hydrogens and one oxygen atom
- something that has weight, you can touch it
- the element that makes up all living creatures
- the smallest unit of matter
- the science of living things
Down
- something that has no weight, like light, movement, or heat
- another name for ethanol
- something that holds atoms together in a molecule
- a kind of energy that you sense with your eyes
- part of an atom that has no charge
- the science of atoms and molecules
- the name of Werner's clown pleco
- when you combine 2 chemicals and they turn into new chemicals
- part of an atom that has a positive charge
17 Clues: another name for ethanol • the smallest unit of matter • the science of living things • a group of atoms bonded together • the name of Werner's clown pleco • part of an atom that has no charge • the science of atoms and molecules • one kind of energy the sun gives off • made of two hydrogens and one oxygen atom • part of an atom that has a negative charge • ...
Chemistry Crossword 2024-11-21
Across
- when 2 liquids are mixed to produce a solid
- example-something turns pink to clear
- ingredients for a chemical reaction
- occurs when bonds break and new bonds form
- symbols and numbers showing the types of elements and how many there are in a molecule
- the bottom of a liquid in a graduated cylinder
Down
- larger number in front of a chemical formula that tells how many molecules there are
- what you measure mass with
- energy change reaction that does not change the temperature
- a change that does not change the substance
- a reaction that releases heat
- what is made in a chemical reaction
- a reaction that absorbs heat
- smaller number in a chemical formula that tells how many atoms of that element there are in the molecule
- holds atoms together in a molecule
- usually happens in the form of a change in temperature
- bubbles tell us this is produced
17 Clues: what you measure mass with • a reaction that absorbs heat • a reaction that releases heat • bubbles tell us this is produced • holds atoms together in a molecule • what is made in a chemical reaction • ingredients for a chemical reaction • example-something turns pink to clear • occurs when bonds break and new bonds form • a change that does not change the substance • ...
Nuclear Chemistry 2025-03-12
Across
- Elements that have more than 92 protons
- Protons + neutrons of an atom
- Nuclear radiation that has no mass or charge
- the number of protons in an atom
- A facility that creates power through nuclear fission
- There is only a finite amount of fuel which makes nuclear power this
- The time it takes for a radioactive sample to decay to half
- How scientists are able to perform fusion reactions on Earth
Down
- What nuclear Reactions can be used for that is dangerous
- Emission of particles or energy from a radioisotope
- Site of 1986 Nuclear disaster
- Nuclear radiation that has a +2 charge and a mass of 4 amu
- Nuclear, solar, and wind are examples of this
- Fission releases a lot, fusion releases up to 4 times more
- Nuclear radiation that comes from the splitting of a neutron into a p+ and e-
- The process of splitting an atom into two smaller atoms
- The process in which two smaller atoms are joined together and release energy
17 Clues: Protons + neutrons of an atom • Site of 1986 Nuclear disaster • the number of protons in an atom • Elements that have more than 92 protons • Nuclear radiation that has no mass or charge • Nuclear, solar, and wind are examples of this • Emission of particles or energy from a radioisotope • A facility that creates power through nuclear fission • ...
Chemistry Puzzle 2026-01-11
Across
- What substances are formed when acids react with bases?
- What do we call a substance made of different elements chemically joined?
- What do we call a combination of substances that are not chemically joined?
- What do we call the elements that make up a substance?
- Which negatively charged particles move around the nucleus?
- What substances taste sour and turn blue litmus red?
- Which positively charged particles are found in the nucleus?
- What is the central part of an atom called?
Down
- What do we call the reaction between an acid and a base?
- What do we call the new substances formed after a chemical reaction?
- Which neutral particles are found in the nucleus?
- What is the smallest part of an element?
- What do we call two or more atoms joined together?
- substance What do we call any material that has a specific composition?
- What do we call a mixture where one substance dissolves in another?
- What do we call the substances that react in a chemical reaction?
- What substances feel slippery and turn red litmus blue?
- reaction What do we call a process where substances change into new substances?
18 Clues: What is the smallest part of an element? • What is the central part of an atom called? • Which neutral particles are found in the nucleus? • What do we call two or more atoms joined together? • What substances taste sour and turn blue litmus red? • What do we call the elements that make up a substance? • What substances are formed when acids react with bases? • ...
Mia Donley's Puzzel 2021-09-24
Across
- The study of matter and energy and the interactions between the two through forces and motion.
- A known truth about something.
- The part of an experiment that's being tested.
- The use of knowledge to solve practical problems.
- Statement that summarizes a pattern found in nature.
- A representation of an object or event.
- The study of the composition, structures, properties, and reactions of matter.
Down
- The study of the universe beyond earth.
- A logical interpretation based on prior knowledge or experience.
- Describes an event.
- The most logical explanation for an event in nature.
- The part of the experiment that stays the same.
- The study of the origin, history, structures, and systems of earth.
- Involves changes that are part of chemistry.
- A system of knowledge and the methods you use to find that knowledge.
15 Clues: Describes an event. • A known truth about something. • The study of the universe beyond earth. • A representation of an object or event. • Involves changes that are part of chemistry. • The part of an experiment that's being tested. • The part of the experiment that stays the same. • The use of knowledge to solve practical problems. • ...
Gas Laws 2021-03-31
Across
- The same answer will always result if you ___ two directly proportional quantities
- a decrease in temperature will make pressure ___.
- an increase in one makes the other increase shows they are ___ proportional
- an increase in one makes the other decrease shows they are ___ proportional
- a characteristic of gases caused by collisions
Down
- The same answer will always result if you ___ two inversely proportional quantities
- The field of science we are studying this year
- a state of matter with particles spaced away from each other
- encompasses chemistry, physics, biology, genetics, etc...
- the graduation month for Tech seniors
- a decrease in volume will make the pressure ___.
- a type of energy associated with motion
- a characteristic of gases related to motion
- the amount of space something occupies
14 Clues: the graduation month for Tech seniors • the amount of space something occupies • a type of energy associated with motion • a characteristic of gases related to motion • The field of science we are studying this year • a characteristic of gases caused by collisions • a decrease in volume will make the pressure ___. • a decrease in temperature will make pressure ___. • ...
Kayla Grant chapter 12 2016-09-28
Across
- rule atoms tend to gain, lose or share electrons
- small organic molecules
- bonds bond formed between two ions by transfer of electrons
- a measure of an atom's attraction for the electrons it shares in a chemical bond
- a chemical compound that contains only hydrogen and carbon
- a very long organic molecule
Down
- mixtures different components that is a individual substance
- structure how bonds are arranged in a compound
- bond holds metal atoms together very strongly
- mixture the composition that is the same throughout
- a measure of the amount of solute dissolved in solution
- chemistry branch of chemistry that involves the study of carbon-containing chemical compounds
- materials consist of two or more elements or compounds
- materials consist of a single element or compound
14 Clues: small organic molecules • a very long organic molecule • bond holds metal atoms together very strongly • structure how bonds are arranged in a compound • rule atoms tend to gain, lose or share electrons • materials consist of a single element or compound • mixture the composition that is the same throughout • materials consist of two or more elements or compounds • ...
kerstingD031204 2021-10-02
15 Clues: end to end • compactness • being correct • amount of space • living organisms • rising or falling • three dimensional • measure of inertia • exact and accurate • physical properties • substances of matter • indicating tempature • process of observing • earths physical structure • application of scientific info
Las materias/school subjects 2020-10-30
What Do I Teach? 2015-12-12
11 Clues: Mark Epp • Mark Perry • Matt Linner • Greg Bardal • Sean Brandt • Lara Morrow • Jen Sadoway • Edith Arthur • Jen Schneider • Sarah Gerrard • Kate Rozdilsky
Sdg project 2022-07-11
6 Clues: biomass • 9th principle • number of principle • green chemistry also know • first green chemistry principle • an area of chemistry and chemical engineering focused on the design of products and processes that minimize or eliminate the use and generation of hazardous substances.
Reusable plastic bottles release hundreds of pollutants into water VOCABULARY 2024-04-14
Across
- A (BPA): A chemical found in some plastics, which can mimic hormones in the body.
- Contaminated or made dirty.
- Biologist: A scientist who studies how organisms reproduce.
- The process of chemicals moving out of a material into something else
- Substances with a specific composition.
- steel: A type of metal that doesn't rust or corrode easily.
Down
- Chemical messengers in the body that regulate various bodily functions.
- Able to be used again.
- Chemicals added to plastics to make them more flexible.
- Molecules made up of two or more elements.
- Chemistry: A branch of chemistry focusing on identifying and understanding the composition of substances.
- To interrupt or disturb the normal functioning of something.
- agents: Chemicals added to plastics to help them slide out of molds.
- Coming into contact with something.
- To move from one place to another.
15 Clues: Able to be used again. • Contaminated or made dirty. • To move from one place to another. • Coming into contact with something. • Substances with a specific composition. • Molecules made up of two or more elements. • Chemicals added to plastics to make them more flexible. • Biologist: A scientist who studies how organisms reproduce. • ...
Scientific Revolution 2023-03-16
Across
- The process developed by Bacon
- He promoted the idea of mathematization
- The gas Lavoisier discovered
- Chemist responsible for developing the naming system used
- Theory or solar organization promoted by Ptolemy
- The Father of Modern Chemistry
- He invented the microscope
- He invented a new temperature scale for the newly invented thermometer
- He made Copernicus, Brahe, and Kepler understandable to normal people and got in trouble with the Church for it.
Down
- He proposed that the sun was the center of the solar system instead of the earth
- The science that turned into chemistry
- The device Torricelli invented that measures atmospheric pressure
- Device invented by Galileo
- They made the Heliocentric theory work mathematically with elliptical orbits
- He is considered the father of modern physics and developed ideas on motion, gravity,and light
15 Clues: Device invented by Galileo • He invented the microscope • The gas Lavoisier discovered • The process developed by Bacon • The Father of Modern Chemistry • The science that turned into chemistry • He promoted the idea of mathematization • Theory or solar organization promoted by Ptolemy • Chemist responsible for developing the naming system used • ...
2018-5 2018-03-10
15 Clues: 화학 • 도서관 • 연습, 훈련 • ~에 기초하여 • 바로 후, 직후 • 범주, 카테고리, • 진로, 경력, 직업 • bit 약간, 조금 • 규칙적으로, 일정하게 • ~를 강조하다, 역설하다 • (= priceless ) • 긴 안목으로 보면, 결국은 • ~에게 충고하다, 조언하다 • (= completely) • ~하게 들리다, ~하게 생각되다
Chemistry 2012-06-26
Across
- is an electrically neutral group of two atoms
- anything that occupies space
- a combination of two substanses
- is a liquid that dissolves another solid
Down
- separates particles frm a liquid
- a type of fluid
- periodic table
- a basic unit of matter
- is a pure chemical substance
- A substance that is dissolved in a solvent to form a solution
10 Clues: periodic table • a type of fluid • a basic unit of matter • is a pure chemical substance • anything that occupies space • a combination of two substanses • separates particles frm a liquid • is a liquid that dissolves another solid • is an electrically neutral group of two atoms • A substance that is dissolved in a solvent to form a solution
Chemistry 2013-12-15
Across
- particles that fill their container though have no definite shape or volume
- state of matter which takes the shape of its container
- the phase transition of liquid vaporizing
- how close a value is to the actual or true value also see precision
- a molecule that has gained or lost one or more electrons
Down
- a compound that, when dissolved in water, gives a pH of less than 7.0
- an atom that is defined by its atomic number
- a substance that is made up of two or more chemically bonded elements
- when a substance is below the critical temperature while in the gas phase
- the positive side of a dry cell battery or a cell
10 Clues: the phase transition of liquid vaporizing • an atom that is defined by its atomic number • the positive side of a dry cell battery or a cell • state of matter which takes the shape of its container • a molecule that has gained or lost one or more electrons • how close a value is to the actual or true value also see precision • ...
Chemistry 2014-05-21
Across
- radiant energy given of by the sun
- member of the family of elements composed of very reactive, colored, non-metals
- a substance that has a PH level higher than 7 when it's in aqueous solution
- a subatomic particle that has a negative charge (-1)
- starting substance in a chemical reaction
Down
- a compound made from carbon and hydrogen
- a subatomic particle that has a positive charge (+1)
- a group of atoms usually of different elements that act as one single ion
- a substance that has a PH level lower than 7 when it's in aqueous solution
- a substance that can't be broken down into any simpler substances by chemical means
10 Clues: radiant energy given of by the sun • a compound made from carbon and hydrogen • starting substance in a chemical reaction • a subatomic particle that has a positive charge (+1) • a subatomic particle that has a negative charge (-1) • a group of atoms usually of different elements that act as one single ion • ...
chemistry 2013-07-31
Across
- a scale for measuring the purity of gold
- able to be stretched into wires
- A mixture of a non-metal and a metal
- the main metal in alloy
- an alloy of iron and carbon
Down
- a list of all the elements
- able to be hammered into new shapes
- a mixture of a base metal and small amounts of other elements
- shines when polished or freshly cut
- shatters when hit
10 Clues: shatters when hit • the main metal in alloy • a list of all the elements • an alloy of iron and carbon • able to be stretched into wires • able to be hammered into new shapes • shines when polished or freshly cut • A mixture of a non-metal and a metal • a scale for measuring the purity of gold • a mixture of a base metal and small amounts of other elements
chemistry 2020-04-27
Chemistry 2020-05-26
Across
- Condensation is the process of a substance in a gaseous state transforming into a liquid state
- the action of becoming larger or more extensive
- a substance formed from 2 or more elements
- turning into a liquid from vapor
- A substance that flows freely
- the intermingling of substances by the natural movement of their particles.
- the smallest particle that exists
Down
- changing directly into a vapor when heated
- a substace made by mixing other substaces
- is the solidification of atoms or molecules into a highly structured form called a crystal
10 Clues: A substance that flows freely • turning into a liquid from vapor • the smallest particle that exists • changing directly into a vapor when heated • a substace made by mixing other substaces • a substance formed from 2 or more elements • the action of becoming larger or more extensive • the intermingling of substances by the natural movement of their particles. • ...
Chemistry! 2021-01-04
10 Clues: all elements • tightly packed • a pure substance • no volume or shape • chemical compounds • a mixture of things • basic unit of matter • central core of an atom • something that allows flow • something joined by chemical bond
Chemistry 2021-01-04
Across
- smallest particle
- the number of protons in the nucleus
- produces negative charge
- the amount of space something takes up
Down
- total amount of protons and neutron
- mass of an atom
- produces positive charge
- anything that has mass and volume
- has the same mass as a proton but no charge
- a bunch of the same atoms grouped together
10 Clues: mass of an atom • smallest particle • produces positive charge • produces negative charge • anything that has mass and volume • total amount of protons and neutron • the number of protons in the nucleus • the amount of space something takes up • a bunch of the same atoms grouped together • has the same mass as a proton but no charge
Chemistry 2020-12-27
10 Clues: (n-1)d 1to9 • sharing of electron's • biodegradable polymer • water softening method • battery used in mobiles • discovered by madam curie • Drugs used to lower fever • which connect two half cells • technique to separate compounds • one of the mostabundantelement from 13 group
chemistry 2019-04-30
Across
- smallest particle of a chemical element
- a tabular arrangement of the chemical elements
- a subatomic particle with the same mass as a proton but without an electric charge
- a stable subatomic particle with negative charge
- any four substances (earth air fire and water)
Down
- two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons
- to make a feature of the world easier to understand
- the emission of energy as electronic waves
- a stable subatomic particle in all atoms
- the central and most important part of an object
10 Clues: smallest particle of a chemical element • a stable subatomic particle in all atoms • the emission of energy as electronic waves • a tabular arrangement of the chemical elements • any four substances (earth air fire and water) • the central and most important part of an object • a stable subatomic particle with negative charge • ...
chemistry 2019-05-29
Across
- It’s in the middle of the atom
- Negative ion
- Grey mass in the sky, made up of very small floating drops of water
- Any of the four substances (earth, water, air, and fire)
- Heavy and positively charged particle
Down
- Tiny and negatively charged particle
- Positive ion
- Not supporting or helping either side in a conflict
- Heavy and neutral particle
- An arithmetical value like 4
10 Clues: Positive ion • Negative ion • Heavy and neutral particle • An arithmetical value like 4 • It’s in the middle of the atom • Tiny and negatively charged particle • Heavy and positively charged particle • Not supporting or helping either side in a conflict • Any of the four substances (earth, water, air, and fire) • ...
Chemistry 2017-02-07
Across
- Anything that takes up space
- something that provides information
- When something changes chemically
- Of the same kind
- The brain of the cell
Down
- When something changes physically
- When water is heated up and rises to become water vapor.
- When 2 elements are combined together
- A thing that is combind of 2 or more substances
- The majority of, not the weight but the ______
10 Clues: Of the same kind • The brain of the cell • Anything that takes up space • When something changes physically • When something changes chemically • something that provides information • When 2 elements are combined together • The majority of, not the weight but the ______ • A thing that is combind of 2 or more substances • ...
chemistry 2017-02-07
Across
- the basic unit of chemical element
- substance that undergoes reactions
- is when something changes but not on the chemical level
- physical substance it occupies space
- the compactness of a substance
Down
- something that can be shaped but not broken
- atoms in a group and are the smallest form of chemical compound that can chemically react
- matter usually large with no specific shape
- how reactive something is
- the rearrangement of atoms in usually one or more substances
10 Clues: how reactive something is • the compactness of a substance • the basic unit of chemical element • substance that undergoes reactions • physical substance it occupies space • something that can be shaped but not broken • matter usually large with no specific shape • is when something changes but not on the chemical level • ...
Chemistry 2017-11-01
Across
- smallest component of an element
- describes the number of moles of the substance per liter of liquid.
- smallest of the particles that make up an atom, and they carry a negative charge.
- a material made up of two or more different substances which are mixed but are not combined chemically
- the minor component in a solution, dissolved in the solvent
- subatomic particle found in the nucleus of every atom. The particle has a positive electrical charge
Down
- homogeneous mixture composed of two or more substances
- the abundance of a constituent divided by the total volume of a mixture
- unit is defined as the amount of a chemical substance that contains as many representative particles
- Substance substances that are made of only one type of atom or only one type of molecule
10 Clues: smallest component of an element • homogeneous mixture composed of two or more substances • the minor component in a solution, dissolved in the solvent • describes the number of moles of the substance per liter of liquid. • the abundance of a constituent divided by the total volume of a mixture • ...
CHEMISTRY 2020-09-24
Across
- A ____ has no definite shape and no definite volume
- Energy is ___ matter
- The fourth state of matter
- ______ consists of several types of matter
- Water and oil are in _____ state
Down
- Liquids don't have definite ______
- There are three _____ of matter
- A table, a student, a pen are all in _____ state
- Everything that has mass and volume
- _______ matter consists of only one type of matter
10 Clues: Energy is ___ matter • The fourth state of matter • There are three _____ of matter • Water and oil are in _____ state • Liquids don't have definite ______ • Everything that has mass and volume • ______ consists of several types of matter • A table, a student, a pen are all in _____ state • _______ matter consists of only one type of matter • ...
Chemistry 2020-10-18
Across
- Type of chemical reaction producing heat.
- Another name for combustion.
- Combustion type due to limited oxygen.
- One of the greenhouse gases.
Down
- Cleaner fuels producing less CO2.
- Combustion creating carbon dioxide.
- Taken from a fire using a fire blanket.
- Variable that is changing in an experiment.
- The colour of a dry powder extinguisher.
- Taken from fire with a water extinguisher.
10 Clues: Another name for combustion. • One of the greenhouse gases. • Cleaner fuels producing less CO2. • Combustion creating carbon dioxide. • Combustion type due to limited oxygen. • Taken from a fire using a fire blanket. • The colour of a dry powder extinguisher. • Type of chemical reaction producing heat. • Taken from fire with a water extinguisher. • ...
Chemistry 2018-03-04
Across
- Make something back to the original state.
- Science that deals with the composition and changes of substances.
- Something you can put back into a previous state.
- A mixture of 2 or more substances
- If something breaks down and is absorbed in a liquid.
Down
- A physical matter of which a thing consists.
- Something you measure things with.
- If a liquid substance turns into gas.
- Something that is impossible to change back into a previous state.
- If something can't be dissolved.
10 Clues: If something can't be dissolved. • A mixture of 2 or more substances • Something you measure things with. • If a liquid substance turns into gas. • Make something back to the original state. • A physical matter of which a thing consists. • Something you can put back into a previous state. • If something breaks down and is absorbed in a liquid. • ...
Chemistry 2018-03-04
Across
- Make something back to the original state.
- Science that deals with the composition and changes of substances.
- Something you can put back into a previous state.
- A mixture of 2 or more substances
- If something breaks down and is absorbed in a liquid.
Down
- A physical matter of which a thing consists.
- Something you measure things with.
- If a liquid substance turns into gas.
- Something that is impossible to change back into a previous state.
- If something can't be dissolved.
10 Clues: If something can't be dissolved. • A mixture of 2 or more substances • Something you measure things with. • If a liquid substance turns into gas. • Make something back to the original state. • A physical matter of which a thing consists. • Something you can put back into a previous state. • If something breaks down and is absorbed in a liquid. • ...
Chemistry 2021-07-17
Across
- a type of nutrient that you get from your diet
- an atom, molecule, or ion that has an unpaired valence electron
- main source of energy for the body
- an essential micronutrient which an organism needs in small quantities
- elements on the earth and in foods that our bodies need to develop
Down
- an ion with a positively charged carbon atom
- a molecule or ion capable of donating a proton
- carbon bears a formal negative charge
- comprised of one or more long chains of amino acid residues
- compound added to a system to cause a chemical reaction
10 Clues: main source of energy for the body • carbon bears a formal negative charge • an ion with a positively charged carbon atom • a type of nutrient that you get from your diet • a molecule or ion capable of donating a proton • compound added to a system to cause a chemical reaction • comprised of one or more long chains of amino acid residues • ...
chemistry 2024-06-10
Chemistry 2024-06-10
Across
- The study of chemical reactions
- An element required for Energy Production
- a compound or substance that has been purified or prepared
- a thing that is composed of two or more separate elements; a mixture
- identifyed by atomic number
Down
- a Scale that test for acidic levels
- bleach
- having a pH below 7
- A bond where electrons are shared
- substance that has a PH higher than 7
10 Clues: bleach • having a pH below 7 • identifyed by atomic number • The study of chemical reactions • A bond where electrons are shared • a Scale that test for acidic levels • substance that has a PH higher than 7 • An element required for Energy Production • a compound or substance that has been purified or prepared • ...
Chemistry 2024-06-09
Chemistry 2024-06-26
Across
- Simplest hydrocarbon.
- The process by which acids and bases neutralize each other.
- Absorbs heat from surroundings.
- A substance that changes color in the presence of acids or bases.
- Type of bonding in metals.
Down
- Conducts electricity in solution.
- The number written before a chemical formula in a balanced equation.
- Contains only carbon and hydrogen.
- Releases hydrogen ions.
- Speeds up a chemical reaction.
10 Clues: Simplest hydrocarbon. • Releases hydrogen ions. • Type of bonding in metals. • Speeds up a chemical reaction. • Absorbs heat from surroundings. • Conducts electricity in solution. • Contains only carbon and hydrogen. • The process by which acids and bases neutralize each other. • A substance that changes color in the presence of acids or bases. • ...
Chemistry 2023-08-16
Across
- State of matter with no fixed shape or volume.
- State of matter with a fixed shape and volume.
- A tiny piece of matter.
- A substance made up of only one type of atom.
Down
- A solution with a pH less than 7.
- A homogeneous mixture of two or more substances.
- A solution with a pH greater than 7.
- Two or more atoms bonded together.
- The smallest unit of an element.
- State of matter with a fixed volume but no fixed shape.
10 Clues: A tiny piece of matter. • The smallest unit of an element. • A solution with a pH less than 7. • Two or more atoms bonded together. • A solution with a pH greater than 7. • A substance made up of only one type of atom. • State of matter with no fixed shape or volume. • State of matter with a fixed shape and volume. • A homogeneous mixture of two or more substances. • ...
Chemistry 2024-05-08
Across
- A substance that is physically mixed but not chemically joined
- A solid substance that can dissolve in water
- A liquid which can dissolve a solute
- A solid substance that cannot dissolve in water
- Two or more substances that are chemically joined together
- A solution in which no more solute can be dissolved
Down
- A substance that cannot be easily separated
- When compounds are broken up into their elements using electricity
- A substance that can be dissolved
- A substance that cannot be broken down into anything simpler
- A substance that can be dissolved
11 Clues: A substance that can be dissolved • A substance that can be dissolved • A liquid which can dissolve a solute • A substance that cannot be easily separated • A solid substance that can dissolve in water • A solid substance that cannot dissolve in water • A solution in which no more solute can be dissolved • Two or more substances that are chemically joined together • ...
Chemistry 2024-04-24
10 Clues: hold atoms together • electrons are shared • negatively changed ions • even sharing of electrons • electrons are transferred • uneven sharing of electrons • coming/ forcing to be together • ions that are positively charged • energy released thru a chemical reaction • a group of atoms that have electric charge
CHEMISTRY 2024-07-03
Across
- What is the hardest natural substance?
- Decomposition reaction?
- Exothermic reaction?
- What type of bond is found in diamond?
Down
- What is the most abundant metal in the Earth's crust?
- Which element forms the basis of organic chemistry?
- Which non-metal is essential for respiration?
- What is the common name for CH₄?
- What is the taste of acids?
- What color does litmus paper turn in a base?
10 Clues: Exothermic reaction? • Decomposition reaction? • What is the taste of acids? • What is the common name for CH₄? • What is the hardest natural substance? • What type of bond is found in diamond? • What color does litmus paper turn in a base? • Which non-metal is essential for respiration? • Which element forms the basis of organic chemistry? • ...
Chemistry 2024-08-09
Across
- Has a fixed volume but an unfixed shape
- Group 1 of the periodic table.
- contains two or more elements. Cannot be separated by physical means.
- Gases Group 18 of the periodic table.
- Group 17 of the periodic table
- substances that aren't chemically combined
Down
- Group 2 of the periodic table
- Has an unfixed volume and shape
- made up of one type of atom
- Has a fixed volume and shape.
10 Clues: made up of one type of atom • Group 2 of the periodic table • Has a fixed volume and shape. • Group 1 of the periodic table. • Group 17 of the periodic table • Has an unfixed volume and shape • Gases Group 18 of the periodic table. • Has a fixed volume but an unfixed shape • substances that aren't chemically combined • ...
Chemistry 2023-01-30
10 Clues: solute • colloid • surfactant • efflorescence • nonelectrolyte • aqueoussolution • solubilitycurve • saturatedsolution • homogeneousmixtures • supersaturatedsolution
chemistry 2023-03-09
Across
- electron transfer or electron sharing proceeds until an atom has acquired an octet of electrons
- a chemical bond between two or more atoms
- The smallest part of a substance that cannot be broken down
- a change of materials into another
- attraction between oppositely charged ions
- a group of atoms bonded together
Down
- the electrostatic attractive force between conduction electrons
- shows the elements that make up the compound
- sharing of one or more pairs of electrons between two atoms
- A small particle with a negative charge that is found in all atoms
10 Clues: a group of atoms bonded together • a change of materials into another • a chemical bond between two or more atoms • attraction between oppositely charged ions • shows the elements that make up the compound • sharing of one or more pairs of electrons between two atoms • The smallest part of a substance that cannot be broken down • ...
CHEMISTRY 2023-04-17
Across
- (a substance made by mixing other substances together)
- (a subatomic particle of about the same mass as a proton without and electrical charge)
- (relating to atom or atoms )
- (a stable subatomic particle occuring in all atomic nuclei)
- (an amount of matter in a certain space)
Down
- (a large amount of matter in a particle or object)
- (a basic part of a whole
- (an ability to transfer energy)
- (a thing that is composed of two or more separate elements; a mixture)
- (a basic unit of a chemical element )
10 Clues: (a basic part of a whole • (relating to atom or atoms ) • (an ability to transfer energy) • (a basic unit of a chemical element ) • (an amount of matter in a certain space) • (a large amount of matter in a particle or object) • (a substance made by mixing other substances together) • (a stable subatomic particle occuring in all atomic nuclei) • ...
Chemistry 2023-04-14
Across
- The quantity of matter contained in an atom of an element
- A solid material that is typically hard, shiny
- The number of protons in the nucleus of an atom
- A small particle with a negative charge.
- The number of. atoms of that element.
Down
- A substance made from two or more different elements that have been chemically joined.
- A small, positively charged particle of matte
- Anything that takes up space.
- The particles in an atom that have a neutral charge.
- The branch of science that deals with the properties, composition, and structure of elements and compounds.
10 Clues: Anything that takes up space. • The number of. atoms of that element. • A small particle with a negative charge. • A small, positively charged particle of matte • A solid material that is typically hard, shiny • The number of protons in the nucleus of an atom • The particles in an atom that have a neutral charge. • ...
Chemistry 2023-04-14
Across
- Columns of elements on the periodic table
- The single digit number above the elements on periodic table
- Letters for elements on the periodic table
- Anything that takes up space and can be weighed
- Doesn't result in a new substance
Down
- Results in a substance
- Organizes chemical elements
- Reaction to temperature change or chemicals added
- More than 1 different elements combined
- Rows with elements on the periodic table
10 Clues: Results in a substance • Organizes chemical elements • Doesn't result in a new substance • More than 1 different elements combined • Rows with elements on the periodic table • Columns of elements on the periodic table • Letters for elements on the periodic table • Anything that takes up space and can be weighed • Reaction to temperature change or chemicals added • ...
Chemistry 2023-04-14
Across
- A subatomic particle located in the nucleus that has a positive charge
- The number on the top of each element, also tells us the amount of protons
- The ability to break or snap very easily
- The characteristic of a metal with the ability to shine
- the cloud surrounding the nucleus in an atom
- a table arranged in a specific order that shows us every element and their characteristics using numbers, groups, and periods
Down
- an object that easily transfers energy(mostly heat)
- Located in the electron cloud, this subatomic particle has a negative charge and weighs barely anything
- an object that possesses characteristics of both metals and non-metals
- the outermost electron in the electron cloud
10 Clues: The ability to break or snap very easily • the outermost electron in the electron cloud • the cloud surrounding the nucleus in an atom • an object that easily transfers energy(mostly heat) • The characteristic of a metal with the ability to shine • A subatomic particle located in the nucleus that has a positive charge • ...
chemistry 2023-04-14
Across
- makes balloons float in air
- what we need to breath
- chemical noble gas
- sometimes people wear it as jewelry
- positively charged subatomatic particle
Down
- univalent poisonous gaseous halogen
- known as natural gas
- chemical element with atomatic number 7
- can be found in soil and can be crystal at room temp.
- naturally in food and a dietary supplement
10 Clues: chemical noble gas • known as natural gas • what we need to breath • makes balloons float in air • univalent poisonous gaseous halogen • sometimes people wear it as jewelry • chemical element with atomatic number 7 • positively charged subatomatic particle • naturally in food and a dietary supplement • can be found in soil and can be crystal at room temp.
Chemistry 2023-03-17
Across
- What kind of reactions release heat?
- Most reactive non-metal.
- The 4th noble gas.
- A reaction in written form.
- Another name for acetylene.
Down
- The second element of the periodic table.
- The most common element in the universe.
- In what kind of state is H20 at room temperature?
- Result of a reaction.
- An element with a molecular mass of 16.
10 Clues: The 4th noble gas. • Result of a reaction. • Most reactive non-metal. • A reaction in written form. • Another name for acetylene. • What kind of reactions release heat? • An element with a molecular mass of 16. • The most common element in the universe. • The second element of the periodic table. • In what kind of state is H20 at room temperature?
chemistry 2023-08-13
Across
- the action of being moved apart
- the substance that flows freely
- a body temperature above normal
- particles filling the the whole container
- firm and stable in shape
Down
- liquid that has gone through a process of filtration
- a minute portion of matter
- pouring from one container into another
- holding as much water as can be absorbed
- a substance made by mixing other substances together
10 Clues: firm and stable in shape • a minute portion of matter • the action of being moved apart • the substance that flows freely • a body temperature above normal • pouring from one container into another • holding as much water as can be absorbed • particles filling the the whole container • liquid that has gone through a process of filtration • ...
Chemistry 2023-08-13
Across
- a small discrete amount of something.
- a substance made by mixing other substances together.
- holding as much water as can be absorbed
- firm and stable in shape.
- the action of being moved apart.
- particles filling the whole container.
Down
- liquid that has gone through the process of filtration
- a body temperature that is above normal.
- pouring from one container into another
- a substance that flows freely.
10 Clues: firm and stable in shape. • a substance that flows freely. • the action of being moved apart. • a small discrete amount of something. • particles filling the whole container. • pouring from one container into another • a body temperature that is above normal. • holding as much water as can be absorbed • a substance made by mixing other substances together. • ...
chemistry 2021-11-16
Across
- absorbs energy
- releases energy
- a substance used to speed up the reaction
- the yield of the reactants
- can cause a heat release, or color change
Down
- can increase with heat, or slow down when cooled
- can speed up a chemical reaction or slow it down
- two or more substances mixed to get a product
- The amount of a pure substance
- the "equal sign" of chemistry
10 Clues: absorbs energy • releases energy • the yield of the reactants • the "equal sign" of chemistry • The amount of a pure substance • a substance used to speed up the reaction • can cause a heat release, or color change • two or more substances mixed to get a product • can increase with heat, or slow down when cooled • can speed up a chemical reaction or slow it down
chemistry 2021-11-19
Across
- what's the noxious gas in cigrette
- what's the composition of diamond
- Supporting gas for most of the living creature
- The building element in your bone
- The radiated element that function as source of nuclear fuel
- 1st element in the periodic table
Down
- what's the name of the liquid without color,smell or tase and it's used for drinking
- The element be honored as a 'curing element' and has the same pronunciation as chinese word heart.
- The general name of substance used to digest food in your stomach
- It is the name of a planet and also the name of an element
10 Clues: what's the composition of diamond • The building element in your bone • 1st element in the periodic table • what's the noxious gas in cigrette • Supporting gas for most of the living creature • It is the name of a planet and also the name of an element • The radiated element that function as source of nuclear fuel • ...
chemistry 2021-12-08
10 Clues: has a neutral charge • has a positive charge • can hold 18 electrons • has a negitive charge • in the center of a atom • can only hold 2 electrons • can only hold 8 electrons • smallest part of an element • where electrons are located • 1 type of atom,know as a pure substance
Chemistry 2022-04-13
Across
- reaction a change of physical form
- shiny and reflective
- a positive electric charge
- the center of an atom
- a substance that cannot be decomposed into another substance
- a row of chemical elements
Down
- can hold electricity
- the amount of space an object takes up
- two elements formed together
- the ability to become another object when pressed
10 Clues: can hold electricity • shiny and reflective • the center of an atom • a positive electric charge • a row of chemical elements • two elements formed together • reaction a change of physical form • the amount of space an object takes up • the ability to become another object when pressed • a substance that cannot be decomposed into another substance
Chemistry!! 2022-04-13
Across
- the simplest structural unit of an element or compound
- is an atom or molecule that has gained or lost one or more electrons.
- the smallest component of an element
- electron are the atom's outermost electrons.
- is a group of elements sharing similar properties.
- a subatomic particle with zero charge
Down
- a stable particle with positive charge
- A negatively charged particle that comprises the external part of the atom
- a row (left to right) of the periodic table.
- relating to or containing an alkali
10 Clues: relating to or containing an alkali • the smallest component of an element • a subatomic particle with zero charge • a stable particle with positive charge • a row (left to right) of the periodic table. • electron are the atom's outermost electrons. • is a group of elements sharing similar properties. • the simplest structural unit of an element or compound • ...
Chemistry 2022-04-05
Across
- only one product is formed, usually only two reactants
- the ratio of the actual yield to the theoretical yield, multiplied by 100
- calculations involving the mass relationships of elements in compounds
- the substance that holds back the product from being fully produced
Down
- One element replaces its a similar element in a compound, also known as "home wreckers"
- A reaction that always produces H20 and CO2
- the process in which an electric current is used to produce a chemical reaction, such as the decomposition of water
- a compound breaks down into two or more elements
- how much is actually produced in a reaction
- the substance that is not used up completely in a reaction
10 Clues: A reaction that always produces H20 and CO2 • how much is actually produced in a reaction • a compound breaks down into two or more elements • only one product is formed, usually only two reactants • the substance that is not used up completely in a reaction • the substance that holds back the product from being fully produced • ...
Chemistry 2022-05-19
Across
- not evenly mixed together, you can still see the different pieces (ex. salad, or oil and water)
- Organizes elements (created by Mendeleev)
- 2 or more atoms of different elements bonded together.
Down
- vertical columns on the periodic table; elements are similar
- horizontal rows on the periodic table
- Electrons located in the outermost shell; helps figure out which elements can bond
- Cannot be broken down, located on the periodic table.
- Two or more compounds mixed together
- can bend
- Basic unit of an element. Found in everything, living and nonliving.
10 Clues: can bend • Two or more compounds mixed together • horizontal rows on the periodic table • Organizes elements (created by Mendeleev) • Cannot be broken down, located on the periodic table. • 2 or more atoms of different elements bonded together. • vertical columns on the periodic table; elements are similar • ...
Chemistry 2025-01-14
10 Clues: neutral charge • pure substance • positive charge • negative charge • barley packed atoms • tightly packed atoms • loosely packed atoms • anything that takes up space • elements chemically combined • 2 or more elements physically combined
Chemistry 2025-02-07
Across
- A kind of matter with uniform properties
- table table filled with every element
- Any substance that has mass and takes up space
- Substance made up of two or more different chemical elements combined in a fixed ratio
- A type of cell that receives and sends messages from the body to the brain
Down
- Substance made by mixing other substances together
- Measurement that refers to the amount of matter that makes up an object
- A subatomic atom particle that is found in all atoms
- Tells you that a change has taken place in a equation
- A stable subatomic particle occurring in all atomic nuclei
10 Clues: table table filled with every element • A kind of matter with uniform properties • Any substance that has mass and takes up space • Substance made by mixing other substances together • A subatomic atom particle that is found in all atoms • Tells you that a change has taken place in a equation • A stable subatomic particle occurring in all atomic nuclei • ...
Chemistry 2025-02-18
Chemistry 2025-02-25
Across
- A substance that accepts hydrogen ions in solution.
- A group of atoms bonded together.
- The smallest unit of an element.
- A substance made from two or more elements chemically combined.
- A table that organizes all known elements.
Down
- A process in which substances are transformed into new substances.
- A pure substance made of only one type of atom.
- A homogeneous mixture of a solute dissolved in a solvent.
- A substance that donates hydrogen ions in solution.
- A connection between atoms in a molecule.
10 Clues: The smallest unit of an element. • A group of atoms bonded together. • A connection between atoms in a molecule. • A table that organizes all known elements. • A pure substance made of only one type of atom. • A substance that accepts hydrogen ions in solution. • A substance that donates hydrogen ions in solution. • ...
Chemistry 2024-01-08
Across
- The dense center of an atom that contains positively charged protons and neutral neutrons.
- The number of protons in an atom.
- Negatively charged subatomic particle located outside the nucleus of an atom in the electron cloud.
- Small particles that make up the atom of an element. Include protons, neutrons, and electrons.
- The measurement of the size of an atom (includes the nucleus and electron cloud).
Down
- An abbreviation of the chemical name of an element.
- The number of protons plus neutrons in an atom.
- A subatomic particle in the nucleus of an atom that has no charge.
- A positive subatomic particle in the nucleus of an atom.
- The area surrounding the nucleus within an atom that contains negatively charged subatomic particles.
10 Clues: The number of protons in an atom. • The number of protons plus neutrons in an atom. • An abbreviation of the chemical name of an element. • A positive subatomic particle in the nucleus of an atom. • A subatomic particle in the nucleus of an atom that has no charge. • The measurement of the size of an atom (includes the nucleus and electron cloud). • ...
Chemistry 2024-01-04
Across
- An observable and measurable physical characteristic.
- Substance's ability to be dissolved into another substance.
- To attract and repel magnetic forces.
- The amount of space in a substance where liquid or air can pass through.
- Ability of matter to burn.
- The temperature where a liquid changes to a gas.
Down
- Ability of a substance to react with another substance combining chemically.
- The temperature where a solid turns to a liquid.
- A substance’s ability to conduct electricity.
- Smell.
10 Clues: Smell. • Ability of matter to burn. • To attract and repel magnetic forces. • A substance’s ability to conduct electricity. • The temperature where a solid turns to a liquid. • The temperature where a liquid changes to a gas. • An observable and measurable physical characteristic. • Substance's ability to be dissolved into another substance. • ...
Chemistry 2023-12-21
Across
- an atom that gains or loses an electron.
- molecule that shares electrons equally and does not have oppositely charged ends.
- a covalent bond in which the electrons are not shared equally, resulting in a slightly positive end and a slightly negative end.
- covalently bonded group of atoms.
Down
- chemical shorthand that uses symbols to tell what elements are in a compound and their ratios.
- attraction of two atoms for a shared pair of electrons that holds the atoms together.
- molecule with oppositely charged regions.
- a covalent bond in which electrons are shared equally by both atoms.
- attractive force between two ions with opposite charge.
- a neutral particle that forms as a result of electron sharing among atoms.
10 Clues: covalently bonded group of atoms. • an atom that gains or loses an electron. • molecule with oppositely charged regions. • attractive force between two ions with opposite charge. • a covalent bond in which electrons are shared equally by both atoms. • a neutral particle that forms as a result of electron sharing among atoms. • ...
Chemistry 2023-11-03
Across
- a negatively charge subatomic particle circling the nucleus in clouds
- ex: Proteins, Lipids, carbs , and nucleic acids
- two or more atoms connected by chemical bonds, which form the smallest unit of a substance that retains the composition and properties of that substance
- a positively charged subatomic particle located in the nucleus of an atom
- Solute+Solvent
Down
- anything that has mass and volume
- a science that deals with the composition, structure, and properties of substances and of the transformations that they undergo
- a pure substance that cannot be broken down anymore
- a substance made of two or more elements chemically combined in a specific ratio
- a subatomic particle without a charge located in the nucleus of an atom
10 Clues: Solute+Solvent • anything that has mass and volume • ex: Proteins, Lipids, carbs , and nucleic acids • a pure substance that cannot be broken down anymore • a negatively charge subatomic particle circling the nucleus in clouds • a subatomic particle without a charge located in the nucleus of an atom • ...
chemistry 2023-11-05
10 Clues: solid material • share electrons • atom or molecule • transfer electrons • force of attraction • positively charged ion • negatively charged ion • group of 2 or more atoms • forming of chemical bonds • lack characteristics of metals
Chemistry 2023-10-19
Across
- something has been dissolved in water
- a substance which exists in the solid-state, which is one of the four fundamental states of matter
- a section of chemistry that involves using relationships between reactants and/or products in a chemical reaction to determine desired quantitative data
- is the amount of substance containing the same number of molecules
- a substance that is in a gaseous, or vaporous, state of matter
Down
- the ability of a solid, liquid, or gaseous chemical substance (referred to as the solute) to dissolve in solvent (usually a liquid) and form a solution
- A chemical substance that is present at the start of a chemical reaction.
- A substance produced in a chemical reaction.
- a type of matter with specific properties that make it less rigid than a solid but more rigid than a gas
- substance that speeds up the rate of a chemical reaction.
10 Clues: something has been dissolved in water • A substance produced in a chemical reaction. • substance that speeds up the rate of a chemical reaction. • a substance that is in a gaseous, or vaporous, state of matter • is the amount of substance containing the same number of molecules • A chemical substance that is present at the start of a chemical reaction. • ...
Chemistry 2024-01-31
Across
- columns on the periodic table
- gases the least reactive family on the periodic table
- anything that takes up space or has mass
- has properties of both metals and non-metals
- after the arrow
- if atoms on both sides are the same
Down
- atoms can only be
- rows on the periodic table
- metals most reactive family on the periodic table
- before the arrow
10 Clues: after the arrow • before the arrow • atoms can only be • rows on the periodic table • columns on the periodic table • if atoms on both sides are the same • anything that takes up space or has mass • has properties of both metals and non-metals • metals most reactive family on the periodic table • gases the least reactive family on the periodic table
Chemistry 2023-12-07
Across
- Used to dispense small amounts of liquid
- Draws up liquid
- Used to measure mass
- Used to heat, mix, freeze, and measure substances
- Used to protect a person's eyes
Down
- Used to measure the volume of a liquid
- Used to collect gases by water displacement
- Used to transfer solids from one container to another
- Used to produce a flame for heating
- Metric unit used to measure mass
10 Clues: Draws up liquid • Used to measure mass • Used to protect a person's eyes • Metric unit used to measure mass • Used to produce a flame for heating • Used to measure the volume of a liquid • Used to dispense small amounts of liquid • Used to collect gases by water displacement • Used to heat, mix, freeze, and measure substances • ...
Chemistry 2024-10-30
11 Clues: Water fearing • Heat given off • Solute + Solvent • Power of Hydrogen • Superheated matter • Least reactive; glows • Proton acceptors; above 7 • Most explosive alkali metal • A fluid’s resistance to flow • Superheated matter; 99% of the universe • Ex: Proteins, lipids, carbs and nucleic acids
Chemistry 2024-10-31
10 Clues: mass/volume • water loving • water fearing • solute+ solvent • 99% of our universe • A fluids resistance to flow • proteins,lipids,carbs,nucleic acid • study of matter and how it changes • anything that has mass+ takes up space • pure substance made of one type of atom
Chemistry 2024-10-19
Across
- The strongest of the intermolecular forces
- The point where all three phases meet
- Law that states that for a gas, as pressure increases, solubility increases
Down
- A quantitative measure of the elastic force at the surface of a liquid
- Answer to question #2
- A measure of a fluid's resistance to flow
- The temperature at which the vapor pressure of liquid equals atmospheric pressure
- Like molecules that stick due to mutual attraction
- Answer to question #1
- Different molecules that are attracted to each other
10 Clues: Answer to question #2 • Answer to question #1 • The point where all three phases meet • A measure of a fluid's resistance to flow • The strongest of the intermolecular forces • Like molecules that stick due to mutual attraction • Different molecules that are attracted to each other • A quantitative measure of the elastic force at the surface of a liquid • ...
Chemistry 2024-11-24
Across
- In which test the Phenolphthalein and methyl orange are used as a indicator?
- Hard and sticky very firmly to the inner surface of the boiler?
- Which is do not soften on heating?
- Water purification process that uses a semipermeable membrane
- Ion echange is also known as?
Down
- Water that has >35,000 ppm of dissolved solids
- Reduction occurs at?
- EBT is used as?
- In which polymerization takes place without elimination of simple molecules?
- It is used for surface coating,paints, and molds for casting
10 Clues: EBT is used as? • Reduction occurs at? • Ion echange is also known as? • Which is do not soften on heating? • Water that has >35,000 ppm of dissolved solids • It is used for surface coating,paints, and molds for casting • Water purification process that uses a semipermeable membrane • Hard and sticky very firmly to the inner surface of the boiler? • ...
CHEMISTRY 2024-11-24
Across
- A polymer used in making strong,lightweight materials
- A common electrode material in lithium-ion batteries
- A common polymer used in plastic bottles
- A chemical used to disinfect water
- A type of battery known for its high energy density
Down
- A measure of water’s resistance to electrical conductivity
- osmosis A process used to remove dissolved salts from water
- A measure of water’s acidity or alkalinity
- A type of battery that uses a liquid electrolyte
- A process used to remove hardness from water
10 Clues: A chemical used to disinfect water • A common polymer used in plastic bottles • A measure of water’s acidity or alkalinity • A process used to remove hardness from water • A type of battery that uses a liquid electrolyte • A type of battery known for its high energy density • A common electrode material in lithium-ion batteries • ...
Chemistry 2024-11-24
Across
- Polymer with high heat resistence,often used in automotive parts
- Apolymer used for making plastic pipes,often found in water distrubution systems
- A common electrolyte used in lithium-ion batteries
- Material that conducts electicity in a fuel cell
- A water percification technique that used a semi permeable membrane
- Process of ising an electric currentto drive a non-spontaneous chemical reaction
Down
- Term used for an voltage difference between two electrodes in an electrochemical cell
- A common polymer used in water filtration membrane
- Metal typically used in the cathode of alkaline batteries
- Battery that uses lithium as anode material
10 Clues: Battery that uses lithium as anode material • Material that conducts electicity in a fuel cell • A common polymer used in water filtration membrane • A common electrolyte used in lithium-ion batteries • Metal typically used in the cathode of alkaline batteries • Polymer with high heat resistence,often used in automotive parts • ...
Chemistry 2024-11-24
Across
- reduces by product
- substance that allows the passage of electric current through it
- a device that stores electric charge
- a cell which convert energy to chemical energy
- a device used to transform electric energy
- avoided to refuce health hazards
Down
- reduce environmental harm
- Cell which converts chemical energ to electrical energy
- green chemistry aim to protect
- eco friendly substitute
10 Clues: reduces by product • eco friendly substitute • reduce environmental harm • green chemistry aim to protect • avoided to refuce health hazards • a device that stores electric charge • a device used to transform electric energy • a cell which convert energy to chemical energy • Cell which converts chemical energ to electrical energy • ...
Chemistry 2024-11-26
Across
- polymer used in many applications, especially in water pipes and filtration systems.
- A polymer used in making water-resistant coatings and membranes.
- A process used to remove contaminants from water.
- A polymer material commonly used in water filtration membranes.
- A process of passing electric current through water to separate its elements.
Down
- A common electrolyte in electrochemical cells.
- A device used to convert chemical energy into electrical energy.
- A key component in electrochemical cells, often referred to as a "redox" reaction.
- A type of reaction that occurs at the electrodes of an electrochemical cell.
- The type of energy that is produced by an electrochemical cell.
10 Clues: A common electrolyte in electrochemical cells. • A process used to remove contaminants from water. • A polymer material commonly used in water filtration membranes. • The type of energy that is produced by an electrochemical cell. • A device used to convert chemical energy into electrical energy. • A polymer used in making water-resistant coatings and membranes. • ...
Chemistry 2024-11-24
Across
- A thermosetting polymer used in adhesives and laminate
- A process that involves passing water through a semipermeable membrane to remove impurities
- A solid electrolyte battery component that allows ion transport but not electron flow
- A high performance polymer commonly used in bulletproof vests and lightweight composites
- The process used to remove hardness from water by using sodium zeolite
Down
- The process by which water is treated to reduce microbial contamination commonly using chlorine
- The electrochemical device that converts chemical energy into electrical energy directly
- A polymer made from tetrafluoroethylene known for its non stick properties
- The electrode where reduction takes place during an electrochemical reaction
- ion A battery technology that used lithium ions moving between the cathode and anode during charge and discharge
10 Clues: A thermosetting polymer used in adhesives and laminate • The process used to remove hardness from water by using sodium zeolite • A polymer made from tetrafluoroethylene known for its non stick properties • The electrode where reduction takes place during an electrochemical reaction • ...
Chemistry!!! 2024-11-22
Across
- all moving particles have wave characteristics that relate to their mass, frequency, and Plancks constant
- electromagnetic waves given off by atoms of an element
- lowest allowable energy state of an atom
- maximum of two electrons can occupy single atomic orbital if they have an opposite spin
- impossible to know the velocity and position of a particle at one time
Down
- the energy levels contained within a principal energy level
- each electron occupies the lowest energy orbital available
- the number assigned to each orbit of an electron
- single electrons with the same spin must occupy each equal energy orbital
- three dimensional region around the nucleus
10 Clues: lowest allowable energy state of an atom • three dimensional region around the nucleus • the number assigned to each orbit of an electron • electromagnetic waves given off by atoms of an element • each electron occupies the lowest energy orbital available • the energy levels contained within a principal energy level • ...
Chemistry 2025-03-25
Across
- The law which relates the absorbance with concentration of solution is known as?
- Mixture of weak acid and salt of weak acid with strong base in known as?
- Opposition to the flow of electron is knows as?
- Formula for mode of vibration of linear molecule?
- Which chloride starts decomposing above 50 degree Celsius in calomel?
Down
- Sigma to sigma* transition is possible in which compounds?
- Conductance of titration in conductomitric titration depends on?
- Plot of graph of pH v/s mL of NaOH added is called?
- In calomel electrode which metal is at bottom?
- Which vibration is characterised by change in angle between two covalent bonds?
10 Clues: In calomel electrode which metal is at bottom? • Opposition to the flow of electron is knows as? • Formula for mode of vibration of linear molecule? • Plot of graph of pH v/s mL of NaOH added is called? • Sigma to sigma* transition is possible in which compounds? • Conductance of titration in conductomitric titration depends on? • ...
chemistry 2024-04-17
Across
- A homogeneous mixture of two or more substances
- A mixture in which different materials can be distinguished easily
- A combination of two or more substances that are not chemically combined
- basic unit of matter
- A state of matter that has no definite shape but has a definite volume.
Down
- A mixture in which substances are evenly distributed throughout the mixture
- A pure substance made of only one kind of atom
- A substance made up of atom of two or more different Elements joined by chemical bonds
- A state of matter with no definite shape or volume
- A form of matter that has a definite shape and volume
10 Clues: basic unit of matter • A pure substance made of only one kind of atom • A homogeneous mixture of two or more substances • A state of matter with no definite shape or volume • A form of matter that has a definite shape and volume • A mixture in which different materials can be distinguished easily • ...
