chemistry Crossword Puzzles
NUCLEAR CHEMISTRY 2025-04-22
Across
- how an atom is referred to in nuclear chemistry
- a very heavy nucleus splits into more stable nuclei of intermediate mass
- light mass nuclei combine to form a heavier mare stable nucleus
- use heat for nuclear reactors to produce electrical energy
- neutron absorbing rods that help control the reaction by limiting the number of free neutrons
- a reaction that affects the nucleus of an atom
- the protons and neutrons of an atom collectively
- unit used to measure nuclear radiation
- a reaction in which the material that starts the reaction is also on on the products and can start another reaction
- an electron emitted from the nucleus during radioactive decay
Down
- the minimum amount of nuclide that provides the number of neutrons needed to sustain a chain reaction
- the time required for half the atoms of radioactive nuclide to decay
- 2 protons and 2 neutrons emitted from the nucleus during decay
- the difference between the mass of an atom and the sum of the masses of its protons, neutrons and electrons
- use controlled fission chain reactions to produce energy or radioactive nuclides
- a change in the identity of a nucleus as a result of a change in the number of its proton
- stable nuclei cluster over a range of neutron-proton ratios
- the spontaneous disintegration of a nucleus into a slightly lighter nucleus accompanied by emission of radiation
- used to slow down the fast neutrons produced in fission
- radiation absorbing material that is used to decrease exposure to radiation in nuclear reactors
20 Clues: unit used to measure nuclear radiation • a reaction that affects the nucleus of an atom • how an atom is referred to in nuclear chemistry • the protons and neutrons of an atom collectively • used to slow down the fast neutrons produced in fission • use heat for nuclear reactors to produce electrical energy • ...
Chemistry Vocabulary 2025-04-23
Across
- – The starting materials in a chemical reaction.
- – A substance that tastes bitter and can turn red litmus paper blue.
- – A mixture where one substance is dissolved in another and looks the same throughout.
- – The part of a solution that gets dissolved.
- – A tiny particle in the nucleus of an atom with no charge (neutral).
- – The part of a solution that does the dissolving (usually a liquid, like water).
- – The smallest building block of matter; everything is made of atoms.
- – A reaction that gives off heat, making the area feel warmer.
- Properties – Traits you can observe or measure without changing what it is (like color or melting point).
- – The new substances made after a chemical reaction.
- – A substance made when two or more different elements join together chemically.
- Energy – Heat energy; how fast the particles in a substance are moving.
- – How much of a substance can dissolve in a solvent.
- – A reaction between an acid and a base that makes water and a salt.
Down
- – A mixture where you can see the different parts (like a salad).
- Properties – Traits that describe how a substance can change into a new substance (like flammability).
- – A combination of two or more things that aren’t chemically bonded.
- Table – A chart that shows all known elements, organized by their properties.
- – Two or more atoms bonded together; it can be the same or different elements.
- – A mixture that looks the same throughout (like salt water).
- – A tiny particle in the nucleus of an atom with a positive charge.
- – A reaction that takes in heat, making the area feel colder.
- Reaction – A process where substances change into new substances.
- – How much solute is in a solution compared to the amount of solvent.
- – A tiny particle with a negative charge that moves around the nucleus of an atom.
- – A pure substance made of only one kind of atom.
- – A substance that tastes sour and can turn blue litmus paper red.
- of Conservation of Mass – A rule that says matter can’t be created or destroyed in a chemical reaction; the amount of mass stays the same before and after the reaction.
28 Clues: – The part of a solution that gets dissolved. • – The starting materials in a chemical reaction. • – A pure substance made of only one kind of atom. • – The new substances made after a chemical reaction. • – How much of a substance can dissolve in a solvent. • – A mixture that looks the same throughout (like salt water). • ...
Chemistry review 2025-06-02
Across
- element with 7 valence electrons
- when two or more elements form or break a bond
- two or more atoms ionically bonded
- tiny negatively charged
- smallest unit of matter
- force holding nucleus together
- atom that has gained or lost an electron
- force that pushes electrons apart from eachother
- atoms closely packed together, unmoving
- elements on the right side of the table
- holds two atoms together
- atoms spaced far apart
- atoms packed close but sliding by
- the basic measurement in chemistry
Down
- two or more atoms covalently bonded
- type of bond where atoms share electrons
- type of bond where one atom takes an electron
- many atoms forming a charged compound
- outermost electrons
- elements on the left side of the table
- 118 different varieties
- uncharged in the nucleus
- positive in the nucleus
- amount of space a substance occupies
- measured with a thermometer
- first column of elements
- other force holding nucleus together
27 Clues: outermost electrons • atoms spaced far apart • 118 different varieties • tiny negatively charged • positive in the nucleus • smallest unit of matter • uncharged in the nucleus • first column of elements • holds two atoms together • measured with a thermometer • force holding nucleus together • element with 7 valence electrons • atoms packed close but sliding by • ...
Chemistry & Ingredients 2025-06-18
Across
- Two saccharides linked together, such as sucrose.
- Mixtures of fats and oils converted to fatty acids by heat and then purified.
- Used to remove oil; also called surface active agent.
- Two or more atoms joined together by a chemical bond.
- Natural or synthetic ingredient that is added to personal care products to prevent spoilage.
- The branch of science that deals with chemicals related to life processes and their reactions to the body.
- Product packaged under pressure and blended with a propellant (gas) inside a container, usually a can; flammable.
- Positively charged particle in the nucleus of an atom.
- Equal mixtures of inorganic and organic substances that do not dissolve in water and that have been sifted and mixed until free of coarse, gritty particles.
- Potential hydrogen; unit of measurement that indicates whether a substance is acidic, alkaline or neutral.
- Ingredients that help hold the product together, provide a base for performance ingredients and safely reduce pathogens with a preservative system.
- Compounds consisting of carbon, oxygen, hydrogen and nitrogen that join together in chains to form proteins to provide chemicals the body needs for growth and tissue repair.
- Refers to anything that occupies space and has weight.
- A change in a substance that creates a new substance with chemical characteristics different from those of the original substance.
- Water-based solution measuring more positive hydrogen ions than negative hydroxide ions; measures less than 7 on the pH scale.
- Cosmetic product formulated with a thickening agent to increase its viscosity (thickness or density).
- Negatively charged particles that orbit around the nucleus of an atom.
- Refers to liquids not able to be mixed.
- Particle with no electric charge found in the nucleus of an atom.
Down
- Water-based solution measuring more negative hydroxide ions than positive hydrogen ions; measures higher than 7 on the pH scale.
- A simple unit of a carbohydrate.
- Group of monomers that bond together to create larger, more complex compounds.
- Any substance that dissolves into a liquid to form a solution.
- Form of matter having definite weight but indefinite volume and shape.
- Form of matter having definite weight and volume, but no definite shape.
- Ingredients responsible for producing the desired effect; for example, botanicals, antioxidants/vitamins, acids, retinoids and peptides.
- The non-polar end of a molecule that has an affinity for oil; oil-loving.
- The polar end of a molecule that has an affinity for water; water-loving.
- Any substance able to dissolve another substance.
- Change, A change in the physical characteristics of a substance without creating a new substance.
- The smallest complete unit of an element.
- The scientific study of matter and the physical and chemical changes of matter.
- Bond, A chemical bond formed by two amino acid molecules where amino end attaches to acid end; also known as an end bond.
- Bond involving the sharing of electrons of two or more atoms.
- A process in which individual particles of an active agent can be stored within a shell, coated within a film or surrounded by a polymeric material to create particles within the micrometer or millimeter range.
- Form of matter having definite weight, volume and shape.
- Indicates equal number of positive hydrogen ions and negative hydroxide ions; measures 7 on the pH scale.
- Formed when two or more immiscible substances are united with the help of a binder or gum-like substance known as an emulsifier.
- Mixtures of two or more kinds of molecules that will separate if left standing.
39 Clues: A simple unit of a carbohydrate. • Refers to liquids not able to be mixed. • The smallest complete unit of an element. • Two saccharides linked together, such as sucrose. • Any substance able to dissolve another substance. • Used to remove oil; also called surface active agent. • Two or more atoms joined together by a chemical bond. • ...
Chemistry Vocab 2025-05-14
Across
- The number of these determines the element.
- Atomic ____. Where it is on the periodic table.
- ____ Gas. Nonreactive "Country Club"
- Mixture that is different throughout.
- Mixture that is the same all the way through.
- Atomic ____. Largest at the bottom left side of Periodic Table.
- Elements with the same number of electron shells.
- Less stable from more or less neutrons.
- Everything above and right of the stairs.
- Two or more elements chemically bonded in a fixed ratio.
- The likelihood they will take someone else's electrons.
- Elements with similar properties.
- Everything below and left of the stairs.
Down
- ____ Energy. Amount of energy needed to steal electrons.
- The number of these determines the stability of the element.
- Super reactive nonmetals.
- More or less electrons than protons.
- Atomic ____. How much an element weighs.
- The number of these determines the charge.
- The substance that is dissolved.
- Homogenous mixture of two or more substances.
- The substance that makes something dissolve.
- ____ Metals. Super reactive metals.
- Any matter that is not a mixture.
- Two or more atoms chemically bonded.
25 Clues: Super reactive nonmetals. • The substance that is dissolved. • Any matter that is not a mixture. • Elements with similar properties. • ____ Metals. Super reactive metals. • More or less electrons than protons. • ____ Gas. Nonreactive "Country Club" • Two or more atoms chemically bonded. • Mixture that is different throughout. • Less stable from more or less neutrons. • ...
Chemistry Crossword 2025-05-08
Across
- Bond where electrons are shared
- Element found in all organic molecules
- A scale of acidity or alkalinity
- – Heat transfer through electromagnetic waves
- – Related to heat
- – Heat transfer through fluids
- Outer covering of some sea creatures
- Opposite of acidic
- Sea animals that build reefs
- Maintains stable pH in a solution
- Best Chem Teacher
- Gas increasing in the atmosphere, dissolves in oceans
Down
- Bond where electrons are transferred
- Related to the ocean
- Mineral form used by marine organisms to make shells
- Element with one proton
- Neither acidic nor basic
- – Material that slows heat transfer
- Essential for building shells
- Heat transfer through direct contact
- Ocean water
21 Clues: Ocean water • – Related to heat • Best Chem Teacher • Opposite of acidic • Related to the ocean • Element with one proton • Neither acidic nor basic • Sea animals that build reefs • Essential for building shells • – Heat transfer through fluids • Bond where electrons are shared • A scale of acidity or alkalinity • Maintains stable pH in a solution • – Material that slows heat transfer • ...
Nuclear Chemistry 2025-05-19
Across
- Positively charged particle in the nucleus
- The time it takes for half the nuclei in a radioactive sample to decay
- A particle consisting of 2 protons and 2 neutrons. Released during decay.
- The presence of radioactive material in an undesired location
- The center of the atom containing protons and neutrons
- Energy emitted from a source in the form of particles or waves
- Emergency Shutdown of a nuclear reactor
- A reaction involving a change in an atom's nucleus, often producing a different element
- The splitting of a heavy nucleus into lighter nuclei, releasing energy
- The part of a nuclear reactor where the fission reaction takes place
- Devices used in nuclear reactors to control the fission rate by absorbing neutrons
- Negatively charged particle orbiting the nucleus
- Neutrally charged particle in the nucleus
- The process by which an unstable atomic nucleus loses energy by radiation
Down
- A self-sustaining reaction where the products trigger further reactions
- High-energy electromagnetic Radiation released from a nucleus
- A high-speed electron emitted when a neutron turns into a proton
- Another isotope used as nuclear fuel for fission reactions
- A commonly used fuel in fission reactions
- Radioactive particles that fall to the ground after a nuclear explosion or accident
- Atoms of the same element with different number of neutrons
- An isotope with an unstable nucleus that undergoes radioactive decay
- The smallest unit of matter
- The combining of light nuclei to form a heavier nucleus, also releasing energy
- The use of nuclear reactions to generate electricity
25 Clues: The smallest unit of matter • Emergency Shutdown of a nuclear reactor • A commonly used fuel in fission reactions • Neutrally charged particle in the nucleus • Positively charged particle in the nucleus • Negatively charged particle orbiting the nucleus • The use of nuclear reactions to generate electricity • The center of the atom containing protons and neutrons • ...
Chemistry Vocabulary 2025-05-09
Across
- father of the periodic table
- type of elements located on the right side of the periodic table
- positively charged ion formed by electron loss
- atoms with same atomic number but different mass
- subatomic particle located in energy levels
- family name for series of period seven elements located at the bottom of the periodic table
- scientist that proposed that electrons moved in fixed orbits around the nucleus
- another name for covalent compounds
- a educated guess based on observations
Down
- a measure of an atom's ability to attract electrons in a bond
- ionized gas found in lightning
- type of elements on the staircase on the periodic table
- mass per unit volume
- type of bond formed when electrons are shared
- a positively charged particle
- type of bond formed through the transfer of electrons
- family name for series of period six elements located at the bottom of the table
- negatively charged ion formed by electron gain
- type of elements located on the left side of the periodic table
- smallest unit of an element
20 Clues: mass per unit volume • smallest unit of an element • father of the periodic table • a positively charged particle • ionized gas found in lightning • another name for covalent compounds • a educated guess based on observations • subatomic particle located in energy levels • type of bond formed when electrons are shared • positively charged ion formed by electron loss • ...
Organic Chemistry 2025-05-23
Across
- compound with –COOH group
- reaction of a substance with oxygen
- a hydrocarbon with only single bonds
- organic acid found in vinegar
- gas produced when hydrocarbons burn completely
- fuel used in jet engines
- plastic made from ethene
- process that breaks large hydrocarbons into smaller ones
- used to test for alkenes (decolourises)
- general formula for alkanes
Down
- greenhouse gas from incomplete combustion
- process used to separate crude oil into components
- unsaturated hydrocarbon with a triple bond
- ethyne is also known as...
- general formula for alkenes
- type of polymer formed from one monomer type
- hydrocarbon series with double bonds
- functional group in alcohols
- alcohol with two carbon atoms
- alkene with two carbon atoms
20 Clues: fuel used in jet engines • plastic made from ethene • compound with –COOH group • ethyne is also known as... • general formula for alkenes • general formula for alkanes • functional group in alcohols • alkene with two carbon atoms • organic acid found in vinegar • alcohol with two carbon atoms • reaction of a substance with oxygen • a hydrocarbon with only single bonds • ...
Chemistry Vocab 2025-07-31
Across
- – A substance that increases H₃O⁺ ion concentration in water.
- CHANGE – A process that creates one or more new substances.
- – A measure of the total heat content of a system at constant pressure.
- – Groups of two or more atoms bonded together.
- – The physical form of matter: solid, liquid, or gas.
- – A reaction that absorbs heat, causing the temperature to drop.
- – A mixture in which particles eventually settle at the bottom.
- – Substances formed at the end of a chemical reaction.
- – A very small piece of matter.
- – A combination of substances that can be separated.
- – Substances that start a chemical reaction.
- – A reaction that releases heat, raising the temperature of the surroundings.
Down
- – A mixture where particles are between the size of those in a solution and suspension.
- – A scale that measures acidity or alkalinity of a solution.
- – A substance that speeds up a chemical reaction without being used up.
- – A chemical reaction where a substance reacts with oxygen, producing heat and light.
- – A substance that increases OH⁻ ion concentration in water.
- – Positively charged particles found in the nucleus of an atom.
- – Anything that has mass and takes up space.
- – The smallest unit of an element that retains its properties.
- CHANGE – A change that does not alter the chemical makeup of a substance.
- – To spread evenly into another substance to form a solution.
- – Negatively charged particles that orbit an atom's nucleus.
- – A solid that forms and settles when two solutions react.
- – A mixture where one substance dissolves in another.
25 Clues: – A very small piece of matter. • – Anything that has mass and takes up space. • – Substances that start a chemical reaction. • – Groups of two or more atoms bonded together. • – A combination of substances that can be separated. • – The physical form of matter: solid, liquid, or gas. • – A mixture where one substance dissolves in another. • ...
chemistry vocabulary 2022-12-07
Across
- a positively charged region at the center of the atom
- a one- or two-letter abbreviation for a chemical element name.
- a subatomic particle found in the nucleus of every atom except that of simple hydrogen.
- smallest building blocks of matter and make up everything around us
- one basic substances.made of atoms only one kind and that cannot be separated by ordinary chemical means into simpler substances
- a subatomic particle found in the nucleus of every atom with a positive charge
- When an object has more electrons than protons
- an element that form positive ions and has metallic bonds.
- negatively charged subatomic particle that can be either bound to an atom or free (not bound).
- organizes all discovered chemical elements in rows
Down
- quantity of matter contained in an atom of an element
- chemical element and its compounds in the natural state or the result of a manufacturing process
- very small partical that is a building block for atom
- the number of a chemical element in the periodic system, whereby the elements are arranged in order of increasing number of protons in the nucleus
- group of electrons circulating around a nucleus or a molecule.
- a chemical element that generally lacks a predominance of metallic properties
- occurs when an atom has more protons than electrons
- an element that has properties that are intermediate between those of metals and nonmetals.
- process that takes place when a substance (or substances) are brought into contact with each other and produce a new substance(s)
- level An energy level represents the 3-dimensional space surrounding the nucleus where electrons are most likely to be.
20 Clues: When an object has more electrons than protons • organizes all discovered chemical elements in rows • occurs when an atom has more protons than electrons • quantity of matter contained in an atom of an element • a positively charged region at the center of the atom • very small partical that is a building block for atom • ...
Chemistry Vocabulary 2022-12-06
Across
- The evidence of a new solid is _________
- Brittle and brakes easy
- Is malleable and a good conductor
- The amount of electrons the second level holds
- The amount of electrons the first level holds
- What two directions are periods going in PT?
- What two directions are columns going in the PT?
- Rings of energy
- Less valence means elements are ________
- The evidence of a spark is _____
- The evidence of difference is _____
Down
- Has properties of metal and non-metals
- The evidence of a change in heat is ____
- What side on the PT are Metals found on?
- Has a positive charge
- More valence means more ______
- Has no charge
- The amount of electrons the third level holds
- The evidence of steaming is ___
- Has negative charge
20 Clues: Has no charge • Rings of energy • Has negative charge • Has a positive charge • Brittle and brakes easy • More valence means more ______ • The evidence of steaming is ___ • The evidence of a spark is _____ • Is malleable and a good conductor • The evidence of difference is _____ • Has properties of metal and non-metals • The evidence of a new solid is _________ • ...
Chemistry Vocabulary 2022-12-06
Across
- The evidence of a new solid is _________
- Brittle and brakes easy
- Is malleable and a good conductor
- The amount of electrons the second level holds
- The amount of electrons the first level holds
- What two directions are periods going in PT?
- What two directions are columns going in the PT?
- Rings of energy
- Less valence means elements are ________
- The evidence of a spark is _____
- The evidence of difference is _____
Down
- Has properties of metal and non-metals
- The evidence of a change in heat is ____
- What side on the PT are Metals found on?
- Has a positive charge
- More valence means more ______
- Has no charge
- The amount of electrons the third level holds
- The evidence of steaming is ___
- Has negative charge
20 Clues: Has no charge • Rings of energy • Has negative charge • Has a positive charge • Brittle and brakes easy • More valence means more ______ • The evidence of steaming is ___ • The evidence of a spark is _____ • Is malleable and a good conductor • The evidence of difference is _____ • Has properties of metal and non-metals • The evidence of a new solid is _________ • ...
Chemistry Crossword 2022-12-10
Across
- A pure substance found on the periodic table.
- A type of heterogeneous mixture where solids are intermixed.
- A separation technique where a solution passes through a material that pulls particles out.
- A type of heterogenous mixture where different liquids settle and form layers.
- A type of Homogenous mixture made up of a solute and a solvent.
- A description of something that can be dissolved in water.
- A major factor that affects the change of state of matter.
- A curve of a liquid that is more attracted to its container forming a slight crater.
- A state of matter with no fixed shape or fixed volume.
- The product that gets dissolved when making a solution.
- A separation technique where solids are put through increasingly smaller holed spaces.
- A separation technique where a mechanical-mixture is separated by hand.
- The point where no more solid can be dissolved into a liquid.
Down
- A type of mixture where the components become one and cannot be distinguished from each other.
- A pure substance made up of more than one Element
- A state of matter with a fixed shape and volume.
- A type of mixture where the components maintain their original identities.
- A separation technique for liquids that have different boiling temperatures.
- A state of matter with no fixed shape and a fixed volume.
- The product that does the dissolving to make a solution (often water).
- Something that takes up space and has wight.
- The force that acts on water allowing it to not over flow a glass and for small creatures to walk on it.
- A curve of a liquid that is more attracted to itself forming a slight dome.
- The smallest atomic building block of matter.
- A separation technique for solutions where the solvent is boiled off leaving behind the solute.
- When a solid product seemingly disappears into a liquid.
26 Clues: Something that takes up space and has wight. • A pure substance found on the periodic table. • The smallest atomic building block of matter. • A state of matter with a fixed shape and volume. • A pure substance made up of more than one Element • A state of matter with no fixed shape or fixed volume. • The product that gets dissolved when making a solution. • ...
Chemistry Crossword 2022-12-10
Across
- Model shows all electrons
- Your favorite chemistry teacher
- A clown in jail
- A test in the laboratory
- K
- Has no net electric charge
- Particles moving around the nucleus
- Electrons in the outer shell
- Positive particles in the nucleus
- S
- Positively charged particle
- ____ table
- Another name to call ionic compounds
- Negatively charged particle
Down
- Electro____
- Density is ____ over volume
- Eye protection
- Leave turning brown and yellow. This is a ___ change.
- Combination of two or more atoms
- Used to weigh substances
- What you should do with a dead chemist.
- Taste sour
- Ladies' favorite chemical element
- Model shows valence electrons
- Na
- Cu
- salt dissolves in water. This is a ___ change.
27 Clues: K • S • Na • Cu • Taste sour • ____ table • Electro____ • Eye protection • A clown in jail • A test in the laboratory • Used to weigh substances • Model shows all electrons • Has no net electric charge • Density is ____ over volume • Positively charged particle • Negatively charged particle • Electrons in the outer shell • Model shows valence electrons • Your favorite chemistry teacher • ...
Chemistry Exam 2023-05-09
Across
- Subatomic particles found inside the nucleus of every atom
- An element that possesses a preponderance of properties in between, or that are a mixture of, those of metals and nonmetals
- A substance with two or more atoms
- Releases energy from its surroundings
- variable that changes as a result of the independent variable manipulation
- 6.022 × 10
- A small particle with a negative charge that is found in all atoms.
- A form of a chemical element in which the atoms have the same number of protons but with a different number of neutrons.
- Composed by a single element or compound
- The process of using electricity to split water into hydrogen and oxygen
- A stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign.
- Fundamental items that can't be easily broken into smaller pieces
Down
- A variable that isn't changed by other variables
- A substance that takes part in and undergoes changes in a reactions
- Opaque, lustrous elements that are good conductors of heat and electricity.
- Process used by plants and other organisms to convert light energy into chemical reaction.
- A process in which sugars are transformed into a new product through chemical reactions
- Russian Chemist and inventor is known for formulating the periodic law
- The same number of each type of atom on both sides of the equation
- Reaction that absorbs energy
- A force that acts from the outside
- A column of elements in the periodic table of the chemical elements.
- A substance that is present at the end of a chemical reaction.
- A row of chemical elements
- a substance made from two or more different elements that have been chemically joined.
25 Clues: 6.022 × 10 • A row of chemical elements • Reaction that absorbs energy • A substance with two or more atoms • A force that acts from the outside • Releases energy from its surroundings • Composed by a single element or compound • A variable that isn't changed by other variables • Subatomic particles found inside the nucleus of every atom • ...
GENERAL CHEMISTRY 2023-03-24
Across
- ELEMENT WITH THE HIGHEST ELECTRONEGATIVITY
- MADE BY COOLING CERTAIN MOLTEN MATERIALS IN A WAY THAT PREVENTS THEM FROM CRYSTALIZING
- DISTRUPTS THE HYDROGEN BONDS BETWEEN WATER MOLECULES
- MEASURE OF RESISTANCE OF LIQUID TO FLOW
- MADE UP OF TWO ATOMS OF HYDROGEN AND AN ATOM OF OXYGEN
- THE ABILITY OF THE LIQUID TO FLOW
- FORCES THAT EXIST BETWEEN TWO ATOMS
- ARE IN CONTINUOUS, RAPID, RANDOM MOTION THEREFORE POSSESSING INETIC ENERGY
- SMALLEST PORTION OF A CRYSTAL LATTICE
- HAVE DEFINITE VOLUME AND TAKE THE SHAPE OF THE CONTAINER
- ORGAN OF THE BODY WITH 90% OF WATER
- WATER LOVING END
- FORCES THAT EXIST BETWEEN MOLECULES
Down
- THE TOTAL THREE–DIMENTIONAL ARRANGEMENT PARTICE OF A CRYSTAL
- ALL MATTER IN ANY STATE, CONSISTS OF VERY __________
- CAME FROM A GREEK WORD WHICH MEANS "WITHOUT SHAPE"
- A COLLISION WHEREIN THERE IS NO NET LOSS IN KINETIC ENERGY IN THE SYSTEM AS A RESULT OF THE COLLISION
- IDENTICAL AND REPEATING STRUCTURE OF A SOLID
- HELPS YOU UNDERSTAND THE BEHAVIOR AND PROPERTIES OF THE THREE STATES OF MATTER
- PROPONENT OF LONDON DISPERSION FORCES
- THE ABILITY TO MIX WITH OTHER SUBSTANCE
- HAVE DEFINITE SHAPE AND VOLUME
- THE TENDENCY OF LIQUID TO RISE
- MOLECULAR SHAPE OF WATER MOLECULE
- MEANS CHANGE
25 Clues: MEANS CHANGE • WATER LOVING END • HAVE DEFINITE SHAPE AND VOLUME • THE TENDENCY OF LIQUID TO RISE • THE ABILITY OF THE LIQUID TO FLOW • MOLECULAR SHAPE OF WATER MOLECULE • FORCES THAT EXIST BETWEEN TWO ATOMS • ORGAN OF THE BODY WITH 90% OF WATER • FORCES THAT EXIST BETWEEN MOLECULES • PROPONENT OF LONDON DISPERSION FORCES • SMALLEST PORTION OF A CRYSTAL LATTICE • ...
GENERAL CHEMISTRY 2023-03-24
Across
- FORCES THAT EXIST BETWEEN MOLECULES
- THE TENDENCY OF LIQUID TO RISE
- ARE IN CONTINUOUS, RAPID, RANDOM MOTION THEREFORE POSSESSING INETIC ENERGY
- HELPS YOU UNDERSTAND THE BEHAVIOR AND PROPERTIES OF THE THREE STATES OF MATTER
- SMALLEST PORTION OF A CRYSTAL LATTICE
- THE ABILITY TO MIX WITH OTHER SUBSTANCE
- ELEMENT WITH THE HIGHEST ELECTRONEGATIVITY
- MADE BY COOLING CERTAIN MOLTEN MATERIALS IN A WAY THAT PREVENTS THEM FROM CRYSTALIZING
- THE ABILITY OF THE LIQUID TO FLOW
- CAME FROM A GREEK WORD WHICH MEANS "WITHOUT SHAPE"
- MEANS CHANGE
- MEASURE OF RESISTANCE OF LIQUID TO FLOW
Down
- DISTRUPTS THE HYDROGEN BONDS BETWEEN WATER MOLECULES
- HAVE DEFINITE VOLUME AND TAKE THE SHAPE OF THE CONTAINER
- FORCES THAT EXIST BETWEEN TWO ATOMS
- HAVE DEFINITE SHAPE AND VOLUME
- A COLLISION WHEREIN THERE IS NO NET LOSS IN KINETIC ENERGY IN THE SYSTEM AS A RESULT OF THE COLLISION
- MADE UP OF TWO ATOMS OF HYDROGEN AND AN ATOM OF OXYGEN
- MOLECULAR SHAPE OF WATER MOLECULE
- IDENTICAL AND REPEATING STRUCTURE OF A SOLID
- WATER LOVING END
- ORGAN OF THE BODY WITH 90% OF WATER
- THE TOTAL THREE–DIMENTIONAL ARRANGEMENT PARTICE OF A CRYSTAL
- ALL MATTER IN ANY STATE, CONSISTS OF VERY __________
- PROPONENT OF LONDON DISPERSION FORCES
25 Clues: MEANS CHANGE • WATER LOVING END • HAVE DEFINITE SHAPE AND VOLUME • THE TENDENCY OF LIQUID TO RISE • MOLECULAR SHAPE OF WATER MOLECULE • THE ABILITY OF THE LIQUID TO FLOW • FORCES THAT EXIST BETWEEN TWO ATOMS • FORCES THAT EXIST BETWEEN MOLECULES • ORGAN OF THE BODY WITH 90% OF WATER • SMALLEST PORTION OF A CRYSTAL LATTICE • PROPONENT OF LONDON DISPERSION FORCES • ...
Chemistry Lessons 2025-01-15
Across
- An assembly of several atoms
- Name of the last element of the periodical classification
- Name of an ion with a positive charge
- solution which has a pH > 7.0
- Name of the solution used to identify chloride ions
- solution which has a pH < 7.0
- Number of protons of the last element in the periodic table
- Year of publication of the periodic classification
- The smallest particle of a chemical element
- substance with the ability to dissolve other substances
Down
- process for reducing the concentration of a solution by adding a solvent
- Name of the chemical family made up of atoms that do not need to gain or lose electrons
- solution which has a pH = 7.0
- substance dissolved in a solution
- Name of the link in which two atoms share two electrons
- Number of columns in the periodical classification
- technique for separating several components of a mixture
- process by which a solute is incorporated into a solvent to form a homogeneous mixture called a solution
- a scale used to specify the acidity or basicity of solutions
- a pure body is composed of a …… chemical substance (number)
- Name of the last electronic layer occupied by electrons in an atom
- liquid to be placed in the chromatography tank
- Part of the atom containing protons and neutrons
23 Clues: An assembly of several atoms • solution which has a pH = 7.0 • solution which has a pH > 7.0 • solution which has a pH < 7.0 • substance dissolved in a solution • Name of an ion with a positive charge • The smallest particle of a chemical element • liquid to be placed in the chromatography tank • Part of the atom containing protons and neutrons • ...
Chemistry Vocabulary 2025-02-14
Across
- Takes place only of the surface of a liquid
- A measure of the amount of matter in an object
- Made of two or more substances which are not chemically combined
- Diagrams showing the relationship between two variables
- A substance that cannot be broken down into other substances
- Two or more atoms bonded together
- Particles which make up elements
- No definite shape, no definite volume
- The amount of space occupied by matter, LxWxH
- Has a definite volume and definite shape
Down
- Combination of symbols that shows the ratio of elements in a compound
- Measure of the average energy of the of the particles in a substance
- The measure of the force of gravity on an object
- The study of the properties of matter and how matter changes
- One or two letter set of characters used to identify an element
- Phase change from liquid to solid
- Amount of mass in a given volume, D= M/V
- Anything that has mass and takes up space
- Substance made of two or more elements combined in a specific ratio
- Definite volume, but no definite shape
20 Clues: Particles which make up elements • Phase change from liquid to solid • Two or more atoms bonded together • No definite shape, no definite volume • Definite volume, but no definite shape • Amount of mass in a given volume, D= M/V • Has a definite volume and definite shape • Anything that has mass and takes up space • Takes place only of the surface of a liquid • ...
Chemistry - Elements 2025-03-03
Across
- The home planet of a hero in this DC movie is also a useful laser medium
- Can be utilized as a common disinfectant and chemical warfare
- The most malleable of all metals, and can be drawn to a wire of a single-atom width
- Historically and in literature referred to as "brimstone"
- The "digital age" or "information age" would not be possible without this element
- By mass, it is the most common element on Earth
- Found in rich deposits of pollucite
- Crucial strategic resources in World War 1 & 2 for aviation purposes
- Isotope is a nuclear fission product
- The sharp and pungent smell is the origin of this Greek word "stench"
- One of four elements that are ferromagnetic at room temperature
- The only metallic element known to be liquid at standard temperature and pressure
- Electric signs utilized this element which was an evolution of the Geissler tube
- Component of DNA, RNA, ATP and phospholipids, complex compounds fundamental to cells
- Extremely rare metal with excellent resistance to corrosion
- 3rd hardest element with a Mohs hardness of 8.5
Down
- Separated from Hafnium for nuclear reactors
- Most abundant element in the universe
- Gemstones such as chrysoberyl
- Component of YBCO and electroceramics
- Used medicinally as laxatives and antacids
- Name derives from Latin calx "lime"
- Used in fiber optic networks and as polymerization catalysts, as well as infrared night vision systems
- Used as "glassmakers soap" through Middle Ages until modern times
- 6th most abundant element in Earth's crust
- Occurs mainly as pegmatitic minerals
- Primarily used in lithium-ion batteries, and manufacture of magnetic, wear resistant and high-strength alloys
- Critical for normal nerve transmission
- Used in flash lamps and arc lamps as well as a general anesthetic
- Highest electrical conductivity, thermal conductivity, and reflectivity of any metal
- Most abundant noble gas in the Earth's crust, comprising 0.00015%
- This native metal is a key constituent of the respiratory enzyme complex cytochrome c oxidase
- Highest melting and boiling points among all metalloids and nonmetals
- Biocompatible metal with a range of medical applications
34 Clues: Gemstones such as chrysoberyl • Name derives from Latin calx "lime" • Found in rich deposits of pollucite • Occurs mainly as pegmatitic minerals • Isotope is a nuclear fission product • Most abundant element in the universe • Component of YBCO and electroceramics • Critical for normal nerve transmission • Used medicinally as laxatives and antacids • ...
organic chemistry 2025-03-04
Across
- the process to make ethanol from glucose
- the property of how easily a liquid evaporates
- small molecules used to make polymers
- the name of process to separate pertroleum
- a familiy of similar compounds with same general formula and functional group
- molecules contain C and H only
- CnH2n+1COOH
- a reaction has only one product formed
- a reaction has a larger molecule and a small molecule(H2O) formed
- type of polymerisation to make PET and nylon
Down
- a reaction needs UV light
- natural polymer with amide link
- molecules with same moleular formula, but different structural formulae
- type of polymerisation using alkenes
- main constituent of natural gas
- CnH2n
- 可生物降解的
- a reaction in which a H in an alkane is replaced by a Cl atom
- CnH2n+1OH
- the molecules used to make natural polymer with amide link
- CnH2n+2
21 Clues: CnH2n • 可生物降解的 • CnH2n+2 • CnH2n+1OH • CnH2n+1COOH • a reaction needs UV light • molecules contain C and H only • natural polymer with amide link • main constituent of natural gas • type of polymerisation using alkenes • small molecules used to make polymers • a reaction has only one product formed • the process to make ethanol from glucose • the name of process to separate pertroleum • ...
Chemistry Definitions 2024-10-31
Across
- The family that lithium is in
- the family that neon is in
- A bond between two different elements
- A molecule that is symmetrical
- A phase change from solid to gas
- Subatomic particle with no charge
- A mixture that is uniform in composition
- Mrs. Kordvanis favorite element
- The family that fluorine is in
- A reaction that breaks down a compound
- A reaction that involves a hydrocarbon
- Chaos or disorder
- The family that copper is in
Down
- The phase of matter with the biggest distance between the particles
- The family that calcium is in
- A phase change from gas to solid
- The subatomic particle that determines the atomic number
- A mixture of water and sand
- Subatomic particle in the energy levels
- The strongest intermolecular force. Also the name of an element.
- The bond that forms when electrons are shared
- The number within a compound
- The bond that forms when electrons are transferred
23 Clues: Chaos or disorder • the family that neon is in • A mixture of water and sand • The number within a compound • The family that copper is in • The family that lithium is in • The family that calcium is in • A molecule that is symmetrical • The family that fluorine is in • Mrs. Kordvanis favorite element • A phase change from gas to solid • A phase change from solid to gas • ...
Chemistry Review 2026-02-04
Across
- does mix, same
- amount of solute in a given solution
- one substance dissolves in another
- no new substance is formed
- liquid to solid
- pure substance
- two or more substances that are combined
- center of an atom
- substance being dissolved
- amount of space something takes up
- substance that does the dissolving
- gas to liquid
- solid to liquid
- positively charged
- creates a new substance
Down
- water
- two or more elements
- does not mix, opposite
- negatively charged
- liquid to gas
- number of protons in an element
- neutral, no charge
- protons and neutrons
- amount of matter in an object
- how much mass is in a certain amount of volume
- pull of gravity on matter
- takes up space
27 Clues: water • liquid to gas • gas to liquid • does mix, same • pure substance • takes up space • liquid to solid • solid to liquid • center of an atom • negatively charged • neutral, no charge • positively charged • two or more elements • protons and neutrons • does not mix, opposite • creates a new substance • substance being dissolved • pull of gravity on matter • no new substance is formed • ...
Chemistry terms 2025-08-25
Across
- – State of matter with definite volume but indefinite shape.
- – Smallest unit of an element that retains its chemical properties.
- – Substance that easily vaporizes at normal temperatures.
- – Pouring liquid off from solid or heavier liquid without disturbing sediment.
- – Solid with a repeating, ordered structure.
- – Theory stating that matter is made of indivisible atoms.
- – Substance made of only one type of atom.
- – Mixture with uniform composition throughout.
- – The study of matter, its properties, and reactions.
- – Mass cannot be created or destroyed in a chemical reaction.
- – Well-substantiated explanation of some aspect of the natural world.
- – Two or more atoms bonded together.
- – Form of matter with uniform and definite composition.
- – State of matter with definite shape and volume.
- – Combination of two or more substances not chemically combined.
Down
- – Matter made of only one type of particle.
- – Separating solids from liquids using a filter.
- – Solid without a long-range ordered structure.
- – Anything that has mass and occupies space.
- – Statement describing a consistently observed natural phenomenon.
- – A procedure to test a hypothesis.
- – Separating substances based on differences in boiling points.
- – A testable explanation for a scientific observation.
- – Substance made of two or more elements chemically combined.
- – Mixture in which the composition is not uniform.
- – Physical form of matter: solid, liquid, or gas.
- – The types and amounts of elements in a substance.
- – State of matter with neither definite shape nor volume.
28 Clues: – A procedure to test a hypothesis. • – Two or more atoms bonded together. • – Substance made of only one type of atom. • – Matter made of only one type of particle. • – Anything that has mass and occupies space. • – Solid with a repeating, ordered structure. • – Mixture with uniform composition throughout. • – Solid without a long-range ordered structure. • ...
Chemistry Intro 2026-02-23
Across
- A chemical property describing ability to burn
- Elements found on the right side of the periodic table
- Positive particle in the nucleus
- A solid that forms during a chemical reaction
- Atomic mass equals protons plus these
- A chemical property describes how a substance does this
- Elements found along the stair-step line
- Matter is anything that has this
- Center of the atom
- Protons plus neutrons equals this
- Matter is made of tiny particles called this
- Matter takes up this
- Chemistry is the study of this and how it changes
- Neutral particle in the nucleus
Down
- A physical change changes form but not this
- The periodic table organizes all known ______
- A chemical change produces a new one
- Rows on the periodic table
- In a neutral atom protons equal these
- Atomic number equals the number of these
- Elements found on the left side of the periodic table
- Metals are good ______
- Nonmetals are this and poor conductors
- Identifies the element
- One sign of chemical change when this forms
- Negative particle that moves around the nucleus
- Most of the atom is this space
- Columns on the periodic table
28 Clues: Center of the atom • Matter takes up this • Metals are good ______ • Identifies the element • Rows on the periodic table • Columns on the periodic table • Most of the atom is this space • Neutral particle in the nucleus • Positive particle in the nucleus • Matter is anything that has this • Protons plus neutrons equals this • A chemical change produces a new one • ...
Simple Chemistry 2026-02-25
Across
- Thin filament of actin protein that drives cell movement and muscle contraction
- Gain of electrons during a chemical change
- Integral membrane protein that forms a channel specifically for water molecules
- A pair of cylindrical structures that organize microtubules during cell diffusion
- Membrane-bound sac containing enzymes that break down cellular waste
- Scientific study of the microscopic structure of tissues
- Form of endocytosis that ingests extracellular fluid and dissolved solutes
- Process by which an atom loses or gains electrons
- Substance that becomes dispersed in a solvent
- Central region of an atom that contains positively charged and negatively charged particles
- Organelle containing enzymes that detoxify harmful substances and break down hydrogen peroxide
- Hollow tube made of tubulin that provides structural support and tracks for intracellular support
- Cell that synthesizes extracellular matrix components such as collagen
- Dynamic process that maintains internal stability despite external fluctuations
- Liquid that dissolves a solute to form a solution
Down
- Fundamental unit of matter consisting of a central nucleus and surrounding negatively charged particles
- Immune cell that engulfs and destroys pathogens and debris
- Neutrally charged particle found in the atomic nucleus
- Process by which a cell engulfs external material to bring it inside
- Vesicle-mediated release of substances from the interior of a cell to the exterior
- Specialized cell that generates and conducts nerve impulses
- Red blood cell responsible for transporting oxygen throughout the body
- Loss of electrons during a chemical change
- Positively charged particle located in the atomic nucleus
- Double membrane organelle that generates ATP through oxidative phosphorylation
- Passive movement of water across a semi-permeable membrane toward higher solute concentration
- Spontaneous spread of particles from an area of higher concentration to an area of lower concentration
- Form of endocytosis that captures solid particles such as bacteria
- Group of similar cells that work together to perform a specific function
- Dense region within the nucleus where ribosomal RNA is assembled
- Negatively charged particle that orbits the nucleus in discrete energy levels
- Threadlike complex of DNA and proteins that makes up genetic material inside the nucleus
- Molecular machine composed of RNA and protein that assembles amino acids into polypeptide chains
33 Clues: Gain of electrons during a chemical change • Loss of electrons during a chemical change • Substance that becomes dispersed in a solvent • Process by which an atom loses or gains electrons • Liquid that dissolves a solute to form a solution • Neutrally charged particle found in the atomic nucleus • Scientific study of the microscopic structure of tissues • ...
ADVANCED CHEMISTRY 2026-02-25
Across
- - Negative subatomic particle.
- - Oxygen linking two alkyl groups.
- - Carbonyl at chain end.
- ACID - Compound with –COOH group.
- - Neutral nucleus particle.
- BOND - Electrostatic attraction between charged ions.
- ELECTRON - Outer‑shell bonding electron.
- GROUP - Atom/group replacing hydrogen in a chain.
- - Compound with an –OH group.
- - Carbonyl group inside a carbon chain.
- - Hydrocarbon with a triple bond.
- - Alkane minus one hydrogen.
- - Four‑carbon alkane.
- BOND - Shared‑electron bond.
- CHEMISTRY - Study of carbon compounds.
- - Saturated hydrocarbon with single bonds.
- - Molecule with partial charge separation.
- GROUP - Alkane missing a hydrogen, acts as a substituent.
Down
- - Positive nucleus particle.
- - Simplest single‑bonded alkane (CH₄).
- - Region where electrons reside.
- BOND - Force holding atoms together.
- LEVEL - Electron shell distance from nucleus.
- - Compound of only carbon and hydrogen.
- - Non‑aromatic carbon chains or rings.
- NUMBER - Describes electron energy and position.
- - Hydrocarbon with a double bond.
- - -COOR group, often fragrant.
- - Ring structure of atoms.
- - Saturated ring hydrocarbon.
- - Six‑carbon aromatic ring.
- RULE - Atoms aim for 8 valence electrons for stability.
- - Non‑aromatic cyclic compound.
- - Carbon’s ability to form long chains.
- - International chemical naming system.
35 Clues: - Four‑carbon alkane. • - Carbonyl at chain end. • - Ring structure of atoms. • - Neutral nucleus particle. • - Six‑carbon aromatic ring. • - Positive nucleus particle. • - Alkane minus one hydrogen. • BOND - Shared‑electron bond. • - Saturated ring hydrocarbon. • - Compound with an –OH group. • - Negative subatomic particle. • - -COOR group, often fragrant. • ...
Advance Chemistry 2026-02-25
Across
- – The global organization that standardizes chemical naming conventions.
- ACID – Organic compounds that contain the carboxyl (-COOH) functional group.
- – A negatively charged particle that moves around the nucleus of an atom.
- – Compounds that have a carbonyl group located within the interior of the carbon chain.
- NUMBER – Numerical values that define the position, energy, and orientation of an electron in an atom.
- FORMULA – A representation indicating the exact number of each type of atom in a molecule.
- – Organic compounds with a carbonyl group positioned at the end of a carbon chain.
- – Chemical compounds composed entirely of carbon and hydrogen atoms.
- – A hydrocarbon belonging to the alkane family with four carbon atoms.
- – Hydrocarbons that contain only single covalent bonds between carbon atoms; they are fully saturated.
- BOND – A bond created when atoms share pairs of electrons.
- – Organic compounds characterized by a -COOR group and commonly associated with pleasant, fruity odors.
- BOND – The force or attraction that holds atoms together in a compound.
- BOND – A type of bond formed through the attraction between positively and negatively charged ions.
- – A branch of chemistry focused on carbon-containing compounds.
- – A ring-shaped hydrocarbon made up of six carbon atoms with alternating double bonds.
- LEVEL – Specific regions around the nucleus where electrons are likely to be found.
Down
- – Saturated hydrocarbons whose carbon atoms form a ring structure.
- RULE – The principle that atoms tend to achieve eight valence electrons by gaining, losing, or sharing electrons.
- – A positively charged particle located inside an atom’s nucleus.
- GROUP – A fragment of an alkane formed after the removal of one hydrogen atom.
- – The most basic alkane, consisting of one carbon atom bonded to four hydrogen atoms.
- – A neutral particle found in the nucleus of an atom.
- – Organic compounds that are non-aromatic and may exist as straight chains, branched chains, or non-benzene rings.
- – Organic substances that possess a hydroxyl (-OH) functional group.
- CHAINS – Atom arrangements that connect in a closed-loop or ring form.
- – Hydrocarbons that include at least one carbon–carbon triple bond.
- – Hydrocarbons that have at least one carbon–carbon double bond.
- COMPOUND – Chemical compounds that typically contain carbon bonded to hydrogen.
- – Refers to non-aromatic ring compounds that display properties of aliphatic compounds.
- GROUP – An atom or cluster of atoms that replaces a hydrogen atom in a parent chain.
- – The property of an element, especially carbon, to bond with itself to create chains or rings.
- ELECTRON – An electron found in the outermost energy level of an atom, involved in bonding.
- – Compounds in which an oxygen atom is bonded to two carbon-containing groups.
- – Describes a molecule with uneven charge distribution, resulting in partial positive and negative ends.
35 Clues: – A neutral particle found in the nucleus of an atom. • BOND – A bond created when atoms share pairs of electrons. • – A branch of chemistry focused on carbon-containing compounds. • – Hydrocarbons that have at least one carbon–carbon double bond. • – A positively charged particle located inside an atom’s nucleus. • ...
chemistry crossword 2026-02-04
Across
- The "Tiger" that eats through glass.
- The invisible security guard in your paper money.
- The solid metal that turns to soup in your palm.
- The rainbow-salt metal found in asteroid impact layers.
- The metal that "screams" when you bend it.
- The toxic "Yellow" in an artist's palette.
- The heavyweight champion; the densest of them all.
- The "Poisoner’s Poison" with a green-twig spectrum.
- The Lanthanide that is literally "hard to get."
Down
- Rainbow crystals with a half-life longer than the universe.
- The 1925 latecomer with a massive melting point.
- The element named for the city of Copenhagen.
- The tiny ingredient in the world’s strongest magnets.
- The metal sponge that "drinks" hydrogen gas.
- The "Lead-lookalike" that actually strengthens steel.
- The source of "garlic breath" for chemists.
- The "Moon" element that conducts better in the light.
- The "last" of the rare earths.
- The "anti-monk" metal used for ancient eyeliner.
- The acid-proof metal named for a thirsty Greek king.
20 Clues: The "last" of the rare earths. • The "Tiger" that eats through glass. • The metal that "screams" when you bend it. • The toxic "Yellow" in an artist's palette. • The source of "garlic breath" for chemists. • The metal sponge that "drinks" hydrogen gas. • The element named for the city of Copenhagen. • The Lanthanide that is literally "hard to get." • ...
Chemistry Vocab 2025-08-12
Across
- A method of converting between units using conversion factors.
- A solution that can still dissolve more solute at a given temperature.
- A solution that contains the maximum amount of dissolved solute at a given temperature.
- liquids that do mix and form a homogeneous solution (e.g., alcohol and water).
- A ratio used to convert one unit into another (e.g., 1 inch = 2.54 cm).
- liquids that do not mix to form a solution (e.g., oil and water).
- A statement that two values or units are equal (used in conversion factors, e.g., 60 minutes = 1 hour).
- The ratio of the uncertainty of a measurement to the measured value, expressed as a percentage. Formula: (Uncertainty / Measured Value) × 100%
- Curve A graph showing how solubility changes with temperature.
- A property that does not depend on the amount of substance (e.g., density, boiling point, color).
- The boundary between two immiscible substances (e.g., between oil and water).
- A homogeneous mixture of a solute dissolved in a solvent.
Down
- A device that displays measurements as numbers on a screen (e.g., digital thermometer or electronic balance).
- The amount of solute in a given amount of solvent or solution. Common units: g/L, mol/L (molarity)
- A solution where water is the solvent.
- The substance that is dissolved in a solution.
- Describes a solution that has a small amount of solute compared to solvent.
- A mixture with a uniform composition throughout (e.g., saltwater).
- The process of a solute dissolving in a solvent to form a solution.
- The mass of a substance per unit volume. Formula: Density = Mass / Volume
- A solution that contains more dissolved solute than is normally possible at that temperature (unstable).
- Describes a solution that has a large amount of solute dissolved in it.
- The maximum amount of a solute that can dissolve in a solvent at a specific temperature.
- The curved surface of a liquid in a container; measurements should be read from the bottom of the meniscus at eye level.
- The substance that dissolves the solute (usually the one in greater amount).
- A device that shows measurements using a scale and pointer (e.g., a ruler or thermometer with a needle).
26 Clues: A solution where water is the solvent. • The substance that is dissolved in a solution. • A homogeneous mixture of a solute dissolved in a solvent. • A method of converting between units using conversion factors. • Curve A graph showing how solubility changes with temperature. • liquids that do not mix to form a solution (e.g., oil and water). • ...
Chemistry Review 2025-10-03
Across
- what a column is called on the periodic table
- charge of the electron
- ____ electrons that are on the outside shell of an atom
- part of the atom outside of the nucleus
- the simplest substance made of one type of atom
- unit for solid volume
- density=____/volume
- what a row is called on the periodic table
- which part of the atom determines the element
- elements on the stairstep
- items with a pH from 7.1-14
- items ____ dense than one will float in water
- charge of the neutron
- unit for mass
- substance made of two or more elements that are chemically combined
- elements to the left of the stairstep
Down
- atoms of the same element, but with a different number of neutrons
- charge of the proton
- the independent variable is the item that ______
- items with a pH from 0-6.9 are considered _____
- constants are items that stay the ____
- items to the left of the arrow in a chemical equation
- unit for liquid volume
- density of water (spell out number)
- a rusting car is a ______ change
- elements to the right of the stairstep
- the fourth state of matter
- atoms with a charge (either positive or negative)
- mass number=protons + __________
- substance made of two or more substances that are physically combined
- items to the right of the arrow in a chemical equation
31 Clues: unit for mass • density=____/volume • charge of the proton • unit for solid volume • charge of the neutron • charge of the electron • unit for liquid volume • elements on the stairstep • the fourth state of matter • items with a pH from 7.1-14 • a rusting car is a ______ change • mass number=protons + __________ • density of water (spell out number) • ...
Chemistry Vocab 2025-11-13
Across
- Separation of a pure substance as it precipitates out of solution at low temperature.
- Bond type that yields substances with the most diverse set of properties.
- Substances are separated by boiling at different temperatures.
- Elements that form anions and are poor conductors of electricity.
- Technique for separating an insoluble solid from a liquid.
- Bond formed by strong electrostatic attraction between charged atoms.
- Forms of an element, like diamond and graphite, with different bonding and structure.
- A particle consisting of a few atoms held together by covalent bonds.
- Technique used to separate substances based on differences in solubility in a mobile phase.
- The most reactive nonmetals on the periodic table.
- Highly stable gasses in Group 18.
- Another term for a homogeneous mixture.
Down
- Charge on an atom that has lost electrons.
- Charge on an atom that has gained electrons.
- In paper chromatography, the paper is called the _____ phase.
- Substance in a solution present in largest amount.
- City where an explosion in a nuclear reactor caused massive contamination of the surrounding area.
- Another word for a pure substance.
- Formed when an atom loses one or more electrons.
- Earth metal in the fourth period.
- Forms of an atom that have different number of neutrons.
- Element that is mined for its use as an excellent nuclear fuel.
- An ordered crystal of many particles arranged in a repeating pattern.
- Technique that separates substances by density by spinning at high speed.
- Substance in solution present in smaller amount.
- Family of soft, solid highly reactive elements.
- A mixture of metals.
- In paper chromatography, the moving solvent is called the _____ phase.
- Elements that are large in volume and have low specific heats.
- Group of radioactive inner transition metals in the f-block.
- An atom with more electrons than protons.
- Element with the smallest radius on the periodic table.
32 Clues: A mixture of metals. • Earth metal in the fourth period. • Highly stable gasses in Group 18. • Another word for a pure substance. • Another term for a homogeneous mixture. • An atom with more electrons than protons. • Charge on an atom that has lost electrons. • Charge on an atom that has gained electrons. • Family of soft, solid highly reactive elements. • ...
Chemistry Rocks!! 2025-12-17
Across
- Negative ion
- The smallest unit of an element
- The ability to attract electrons
- Electrons involve in bonding
- What happens to electrons in an ionic bond
- The shortest covalent bond
- Positive charge in the nucleus
- The SI unit for temperature
- Phase of matter where the particles vibrate
Down
- Two or more substances physically combined
- What happens to electrons within a covalent bond
- The space occupied by matter
- Anything that has mass and volume
- The SI unit for length
- A substance with atoms from different elements chemically combined
- Instrument to measure mass
- The difference between two values
- Positive ion
- Amount of matter in an object
- Mass per unit of volume
20 Clues: Negative ion • Positive ion • The SI unit for length • Mass per unit of volume • Instrument to measure mass • The shortest covalent bond • The SI unit for temperature • The space occupied by matter • Electrons involve in bonding • Amount of matter in an object • Positive charge in the nucleus • The smallest unit of an element • The ability to attract electrons • ...
Advanced Chemistry 2026-02-25
Across
- Describes a bond with unequal sharing of electrons.
- Aromatic hydrocarbon with a six-carbon ring and alternating double bonds.
- Bond formed through transfer of electrons between atoms.
- Positively charged particle found in the nucleus.
- Saturated hydrocarbon arranged in a ring structure.
- Compound made only of carbon and hydrogen atoms.
- Electron in the outermost shell involved in bonding.
- Cyclic compound that is not aromatic.
- Organic compound with general formula R–O–R’.
- Unsaturated hydrocarbons that contain at least one double bond.
- Number describing the location and energy of an electron in an atom.
- Referring to compounds primarily made of carbon and hydrogen.
- Formula showing the actual number of each type of atom in a molecule.
- A four-carbon alkane (C₄H₁₀).
- Rule stating atoms tend to gain, lose, or share electrons to achieve eight valence electrons.
- Organic compounds containing the –COOH functional group.
- The simplest hydrocarbon with one carbon atom (CH₄).
- Negatively charged subatomic particle.
Down
- Organic compound with the functional group R–OH.
- Fixed region around the nucleus where electrons are found.
- Carbon atoms connected to form a closed loop.
- Electron located in the outermost energy level of an atom.
- Organic compound arranged in open chains (non-aromatic).
- Organic compounds with a carbonyl group bonded to two carbon atoms.
- Saturated hydrocarbons containing only single bonds.
- Force that holds atoms together in a compound.
- Neutral particle found inside the atomic nucleus.
- The ability of carbon to bond with itself to form chains.
- Bond formed by sharing of electron pairs between atoms.
- Organic compounds containing the –CHO functional group.
- Unsaturated hydrocarbons containing at least one triple bond.
- Organic compound with general formula RCOOR’.
- Group An atom or group of atoms replacing hydrogen in a parent chain.
- International organization responsible for chemical naming rules.
- An alkane minus one hydrogen atom.
35 Clues: A four-carbon alkane (C₄H₁₀). • An alkane minus one hydrogen atom. • Cyclic compound that is not aromatic. • Negatively charged subatomic particle. • Carbon atoms connected to form a closed loop. • Organic compound with general formula R–O–R’. • Organic compound with general formula RCOOR’. • Force that holds atoms together in a compound. • ...
Y7 Chemistry 2026-03-17
Across
- A scale from 0–14 that shows how acidic or alkaline a substance is
- change : When a substance changes colour during a reaction
- A substance that usually does not react like metals
- A change that forms new substances and is usually not reversible
- A solid that forms when two liquids react
- A reaction that cannot be changed back
- A substance made when an acid reacts with a base
- A reaction between an acid and an alkali to make salt and water
- A gas needed for burning and many reactions
- A substance that burns to release energy
- When a reaction makes bubbles of gas
- A substance with pH less than 7 that can react with metals
- A chemical that changes colour to show pH
Down
- A process where substances change to form new substances
- A reaction where a substance burns in oxygen
- A substance with pH more than 7 that dissolves in water
- Energy that is given out or taken in during a reaction
- A rise or fall in temperature during a reaction
- A substance that often reacts with oxygen or acid
- A starting substance in a chemical reaction
- A change where no new substance is made (e.g. melting)
- A new substance made in a chemical reaction
- A reaction where oxygen is added to a substance
23 Clues: When a reaction makes bubbles of gas • A reaction that cannot be changed back • A substance that burns to release energy • A solid that forms when two liquids react • A chemical that changes colour to show pH • A gas needed for burning and many reactions • A starting substance in a chemical reaction • A new substance made in a chemical reaction • ...
Chemistry Bonus 2026-04-23
Across
- the number of moles of solute dissolved in one liter of solution
- chemical bond between oppositely charged ions
- the species produced when a base accepts a hydrogen ion from an acid
- a state of balance where opposing chemical reactions or forces occur at the same exact rate
- minimum energy required to start chemical reaction
- releasing energy
- measure of the hydrogen ion concentration in a substance
- negatively charged subatomic particle
- number of electrons in an atoms outer shell
- substance that participates in a reaction and undergoes a chemical change
- substance formed as a result of a chemical reaction
- gaining energy
- a change in matter in which new materials with new chemical and physical properties are formed
Down
- measure of moles of solute per kilogram of solvent
- the species that results when an acid donates a hydrogen ion to a base
- positively charged subatomic particle
- table with chemical elements
- physical combination of two or more substances that are not chemically bonded
- chemical bond formed when electrons are shared by atoms
- homogeneous mixture of two or more substances
20 Clues: gaining energy • releasing energy • table with chemical elements • positively charged subatomic particle • negatively charged subatomic particle • number of electrons in an atoms outer shell • chemical bond between oppositely charged ions • homogeneous mixture of two or more substances • measure of moles of solute per kilogram of solvent • ...
NUCLEAR CHEMISTRY 2026-04-13
Across
- A reaction in which the material that starts the reaction is also one of the products and can start another reaction.
- The spontaneous disintegration of a nucleus into a slightly lighter nucleus accompanied by the emission of radiation.
- Light-mass nuclei combine to form a heavier, more stable nucleus.
- The minimum amount of nuclide that provides the number of neutrons needed to sustain a chain reaction.
- The range of neutron-proton ratios over which stable nuclei cluster.
- Unit used to measure nuclear radiation exposure or dose.
- An electron emitted from the nucleus during radioactive decay.
- Uses controlled fission chain reactions to produce energy or radioactive nuclides.
- The time required for half the atoms of a radioactive nuclide to decay.
- Radiation-absorbing material that is used to decrease exposure to radiation in nuclear reactors.
- How an atom is referred to in nuclear chemistry.
- Neutron-absorbing rods that help control the reaction by limiting the number of free neutrons.
- Used to slow down the fast neutrons produced in fission.
Down
- A reaction that affects the nucleus of an atom.
- 2 protons and 2 neutrons emitted from the nucleus during decay.
- The difference between the mass of an atom and the sum of the masses of its protons, neutrons, and electrons.
- The protons and neutrons of an atom collectively.
- A very heavy nucleus splits into more stable nuclei of intermediate mass.
- A change in the identity of a nucleus as a result of a change in the number of its protons.
- Uses heat from nuclear reactors to produce electrical energy.
20 Clues: A reaction that affects the nucleus of an atom. • How an atom is referred to in nuclear chemistry. • The protons and neutrons of an atom collectively. • Unit used to measure nuclear radiation exposure or dose. • Used to slow down the fast neutrons produced in fission. • Uses heat from nuclear reactors to produce electrical energy. • ...
Chemistry Vocabulary 2026-04-02
Across
- describes a chemical reaction by showing how atoms in the reactants are
- substance formed as a result of a chemical reaction (right side)
- a substance is evenly distributed (or dissolved) within a liquid, gas, or solid
- a pure substance (same throughout) that is made up of one type of atom.
- All compounds are molecules but not all molecules are compounds.
- the starting materials found in a chemical equation(left side) that will react together
- change in form or appearance but not chemical make-up
- symbol a letter abbreviation of an element name; always starts with a capital letter
- For Example, in the compound H 2 O there are 2 atoms of Hydrogen
- group of atoms bonded together composed of a single element or a single
- protons and neutrons and an electron cloud
- mass stays the same during a reaction. The total mass of the
- during a reaction a new substance is made when the atoms of the original
- glucose (food)
Down
- the smallest particle of matter that has distinct properties because of its nucleus which
- energy using the energy from sunlight to convert carbon dioxide and water into oxygen
- consists of multiple different substances that are not evenly
- are rearranged to make something new (evidence: precipitate, energy change, gas,
- each sample of the mixture will have the same proportion of components
- so each sample of the mixture may have different proportions of components
- a chart of all the known elements on Earth organized based on the physical
- sometimes color)
- a set of chemical symbols (letters) and subscripts (numbers) showing
- matter is not created or destroyed just rearranged
- elements are bonded together to form a molecule
- bonded together. For Example H 2 O all water molecules are mode the same
- consists of multiple different substances that are evenly distributed
- The big number in front of a formula that indicates how many molecule groups.
- the chemical process by which plants (and some bacteria) produce their own
- to form new substances in the products
- pure substance (same throughout) that is made up of two or more different
- the small number behind the element indicates the number of atoms for that
- chemical properties of each
- is equal to the total mass of the products (the type and number of atoms stays the
34 Clues: glucose (food) • sometimes color) • chemical properties of each • to form new substances in the products • protons and neutrons and an electron cloud • elements are bonded together to form a molecule • matter is not created or destroyed just rearranged • change in form or appearance but not chemical make-up • mass stays the same during a reaction. The total mass of the • ...
Basic Chemistry 2026-05-14
Across
- Occurs whenever chemical bonds are formed, rearranged, or broken
- These have no charge
- The form stored in the bonds of chemical substances
- The smallest particle of a chemical substance
- When atoms or molecules combine to form a large, more complex molecule
- These help proteins to achieve their functional three dimensional structure
- Chainlike molecules made of many similar or repeating units,which are joined together by dehydration synthesis
- Atoms that have the same atomic number but different mass number.
- Have a bitter taste, feel slippery, and are proton acceptors
- Contain ionic bonds, lack carbon and resist decomposition
- Extended and strand like proteins
- Energy directly involved in moving matter
- A mixture of microscopic particles that are suspended into another medium
- A pure substance made of the same type of molecules which are made up of several types of atoms
- Bonds that are both and broken
- Reactions that release energy
- Reactions that contain more potential energy in their chemical bonds than did the reactants
- Substances that conduct an electrical current in solution
- Reaction whee water is mostly used to breakdown the chemical bonds that exists between a particular substance
- diverse lipids chiefly de- rived from a 20-carbon fatty acid found in all cell membranes.
- Energy that travels in waves
Down
- Substances composed of two or more components physically intermixed
- Heterogeneous mixtures with large,often visible solutes that tend to settle out
- Homogeneous mixtures of components that may be gases, liquids or solids
- have a sour taste, can react with many metals, and “burn” a hole in your rug
- The building blocks of proteins
- Energy in action
- Homeostasis of acid-base balance that is carefully regulated by the kidney and lungs and by chemical systems
- Globular proteins that act as biological catalysts
- Occurs due to the movement of charged particles
- Compact, spherical proteins that have at least tertiary structure
- An ionic compound containing cations and anions other than hydroxyl ion
- These are negatively charged
- Composes 10-30% of cell mass and is the basic. structural material of the body
- Another name for acids
- Occurs when acids and bases are mixed. They react with each other in displacement reactions to form water and salt
- A group of molecules that includes sugars and starches,represent 1-2% of cell mass
- Covalently bonded molecules that contain carbon
- A particle made up of several atoms that are bonded together
- These are insoluble in water
- anything that occupies space and has mass
- The transferring of electrons
- Occurs when a molecule is broken down into smaller molecules
- Equal to the number of protons in its nucleus and is written as a subscript to the left of it’s atomic symbol
- Stored energy
- When large carbohydrate or protein molecules are synthesized from smaller molecules, a water molecule is removed for every bond formed
- These are positively charged
- Large, complex molecules containing from 100 to over 10,000 amino acids
- The sharing of electrons
- The capacity to do work, or to put matter into motion
50 Clues: Stored energy • Energy in action • These have no charge • Another name for acids • The sharing of electrons • These are negatively charged • These are insoluble in water • These are positively charged • Energy that travels in waves • The transferring of electrons • Reactions that release energy • Bonds that are both and broken • The building blocks of proteins • ...
Organic Chemistry 2026-05-05
Across
- used instead of an acyl chloride as it is safer
- H-N-C=O
- Loves chemistry jokes and will call you a munchkin
- Newest chemistry teacher
- used to identify OH and NH in proton exchange
- Solvent for NMR
- Loves playing clash of clans
- excess ethanolic NH3 is the condition to make this compound
- this type of hydrolysis produces COO-
- This teacher doesnt work on Fridays
- full name for TMS because why not
- this element bonded with carbon has the slowest rate of hydrolysis
- the intermediate in electrophilic addition
- uses a haloalkane and a halogen carrier to add a carbon chain onto benzene
- the melting point of this compounds precipitate is tested vs a database
Down
- adds a carbonyl group onto the benzene ring
- Made from the partial oxidation of a primary alcohol
- Dehydrating salts like MGSO4 are used after using this piece of equipment
- Secret word
- an unpaired electron, some versions contribute to ozone destruction
- The ion used in the oxidation of alcohols
- Someone pretended to be this teacher in an email to scare Y9s
- a ketone wont work but an aldehyde will
- Indicates a CH3 next to our hydrogen environment
- If this teacher is teaching be prepared to come to the board
- used to purify an organic solid
- enthalpy of ___ is less in benzene
- HNO3 + H2SO4 --> HSO4- + NO2+ + H2O
- This is done under pressure for organic synthesis
29 Clues: H-N-C=O • Secret word • Solvent for NMR • Newest chemistry teacher • Loves playing clash of clans • used to purify an organic solid • full name for TMS because why not • enthalpy of ___ is less in benzene • This teacher doesnt work on Fridays • HNO3 + H2SO4 --> HSO4- + NO2+ + H2O • this type of hydrolysis produces COO- • a ketone wont work but an aldehyde will • ...
Chemistry Review! 2026-06-11
Across
- Bonds that form from sharing electrons
- the weight of an atom depends on the number of protons and ________________________.
- intermolecular force present between all materials
- As you go higher in altitude air pressure...
- atomic number also represents the number of ___________________
- PV=nRT
- 1s^2 2s^2 2p^6
- full valence shell
- Theoretically the biggest Atom in the Periodic Table.
- Most Electronegative Atom
- Atoms that have the same number of protons but different neutrons
- Reactant that prevents you from making more
- Atoms that participate in hydrogen bonds include H, F, N, and _______-
- 6.022 x 10^23 particles
- forms when an acid and base are mixed together
- A reaction that occurs when 2 aqueous solutions are mixed and a solid forms.
- atom were 15.999 grams is equal to one mole
Down
- Town in Michigan that had problems with its water
- reactions where compounds break down
- Reactions that tend to consume carbon, hydrogen, and oxygen.
- base Base that partially breaks apart
- Number of outer electrons in the bromine atom
- compounds that have stronger IMFs have ___________ boiling points
- molecular compounds that carry a charge
- Materials that have a pH between 1-6
- A bond that holds opposite charges together
- Atoms that have an unequal number of protons and electrons
- How much product you can make
- Strong attractive force between 2 polar molecules
- found within the atom this has both particle and wave properties
- is equal to mass/volume
- Positive Particle found in the nucleus of the atom
32 Clues: PV=nRT • 1s^2 2s^2 2p^6 • full valence shell • 6.022 x 10^23 particles • is equal to mass/volume • Most Electronegative Atom • How much product you can make • reactions where compounds break down • Materials that have a pH between 1-6 • base Base that partially breaks apart • Bonds that form from sharing electrons • molecular compounds that carry a charge • ...
Chemistry Crossword 2026-05-21
Across
- dots around an element
- 6.02x10^23
- table used for unknown concentrations
- element that has the capacity to share 4 electrons
- atomic mass is 99
- two or more atoms joined together
- smallest unit of an element
- occupies space and has mass
- PV=nRT
- bunson ______
- the ability to do work
- Cu
- negatively charged ion
Down
- atomic mass is 31
- force in O2
- strongest force of water
- the simplest alcohol
- chemical compound containing hydrogen and carbon
- Au
- paper used to measure pH
- the study of matter
- Sb
- speeds up reaction rates
- hydrocarbon that contains only single bonds
- breaking down long chain hydrocarbons
25 Clues: Au • Sb • Cu • PV=nRT • 6.02x10^23 • force in O2 • bunson ______ • atomic mass is 31 • atomic mass is 99 • the study of matter • the simplest alcohol • dots around an element • the ability to do work • negatively charged ion • strongest force of water • paper used to measure pH • speeds up reaction rates • smallest unit of an element • occupies space and has mass • two or more atoms joined together • ...
Chemistry Revision 2026-07-02
Across
- Unsaturated hydrocarbons containing at least one carbon-carbon double bond
- The minimum amount of energy that particles must have to react (________ energy)
- To increase the rate of reaction you need more ______ collisions
- Breaking a solid reactant into smaller pieces increases this, making the reaction faster. (7,4)
- A substance made of only one type of atom.
- _________ theory that states particles must bump into each other with enough energy to react
- Gases like carbon dioxide and methane that trap heat in the atmosphere are called _______ gases
- The solid or liquid mixture of two or more substances that are not chemically bonded.
- Compounds containing only hydrogen and carbon ato
- The law of _______ of mass states that no atoms are made or lost during a chemical reaction.
- A reaction that takes in energy from the surroundings, causing a temperature drop
Down
- Saturated hydrocarbons with the general formula CnH{2n+2}
- A resource, like fossil fuels, that is being used up faster than it can be replaced.
- Two or more elements chemically combined together
- A complex mixture of hydrocarbons formed over millions of years from ancient biomass
- A substance that speeds up a chemical reaction without being used up itself
- A biological catalyst, often made of protein.
- The thermal decomposition process used to break long-chain alkanes into smaller, more useful molecules.
- A separation technique used to distinguish different dyes or pigments in an ink
- A resource that can be replenished at a rate equal to or faster than its consumption
- A reaction that releases energy to the surroundings, causing a temperature rise.
21 Clues: A substance made of only one type of atom. • A biological catalyst, often made of protein. • Two or more elements chemically combined together • Compounds containing only hydrogen and carbon ato • Saturated hydrocarbons with the general formula CnH{2n+2} • To increase the rate of reaction you need more ______ collisions • ...
Scientific method and dimensional analysis 2022-12-08
Across
- what class are we in
- summary based on experimental measurements and observations
- what the scientist changes in the experiment
- measuring system based on the meter, liter, and gram as units of length
- things that do not change in an experiment
- first step of the scientific method
- testing the hypothesis
Down
- type of constant describing the setting of the experiment
- variable affected by the change
- fourth step to scientific method
- who is our chemistry teacher
- making an educated guess
- Things that must be controlled in an experiment
- quantity representing the amount of matter in a particle or object
14 Clues: what class are we in • testing the hypothesis • making an educated guess • who is our chemistry teacher • variable affected by the change • fourth step to scientific method • first step of the scientific method • things that do not change in an experiment • what the scientist changes in the experiment • Things that must be controlled in an experiment • ...
Spanish learning chapter 2 2021-10-22
18 Clues: la mesa • la tiza • el papel • la pluma • el reloj • la silla • la física • la puerta • la química • la ventana • la pizarra • la mochila • la economía • la papelera • el trimestre • la especialización • el/la_compañero/a_de_clase • la administración de empresas
Chemistry 2022-08-17
Across
- composed of one kind of atom
- the smallest unit of matter
- science, where chemists use this knowledge to make new products, improve processes, and solve problems.
- the study of carbon and its compounds
- the ratio of an objects mass to its volume and is measured in gram per milliliter or cubic centimeter
- the branch of chemistry that applies physics to the study of chemistry
Down
- composed of 2 or more elements chemically combined
- anything that has mass and occupies space
- helps us to understand how things work, contributes to our knowledge, and help us make predictions about what will happen
- the study of matter and energy and the interactions between them
10 Clues: the smallest unit of matter • composed of one kind of atom • the study of carbon and its compounds • anything that has mass and occupies space • composed of 2 or more elements chemically combined • the study of matter and energy and the interactions between them • the branch of chemistry that applies physics to the study of chemistry • ...
Subjects 2024-11-02
13 Clues: maths • chimie • théâtre • anglais • musique • espagnol • biologie • français • histoire • géographie • technologie • arts plastiques • Education physique et sportive
Anthony Chiappetta stoich 2022-03-08
Across
- a yield of a certain percent
- math and science term
- has to do with moles
- combining chemistry and biology
- the process of converting something
- an atom between (Pa) and a atom of 237
Down
- name of a science class
- a unit of measurment used to weigh atoms
- a atom with a mass of 12
- a atom with the symbol of (Mc)
10 Clues: has to do with moles • math and science term • name of a science class • a atom with a mass of 12 • a yield of a certain percent • a atom with the symbol of (Mc) • combining chemistry and biology • the process of converting something • an atom between (Pa) and a atom of 237 • a unit of measurment used to weigh atoms
Chem Project 2022-04-13
Le materie 2021-06-15
Spanish 10 crossword puzzle 2024-09-06
School subjects 2024-09-22
School subjects 2023-01-29
School Subjects - 7th Grade 2025-10-08
RMHS Academic Edition 2026-02-26
V2 lesson 4.1/4.2/4.3 2026-03-02
The Scientific Revolution 2021-02-26
Courses/Days of the Week 2021-10-08
Courses/Days of the Week 2021-10-08
DAYS OF THE WEEK AND MORE 2021-10-06
Spanish Subjects 2023-12-08
Spanish Subjects 2023-12-08
BMW 7B 2024-10-30
The clue is a synonym. 2022-03-09
RMHS Academic Edition 2026-02-26
Chemistry 2022-08-17
Across
- composed of 2 or more elements chemically combined
- the study of matter and energy and the interactions between them
- science, where chemists use this knowledge to make new products, improve processes, and solve problems.
- the branch of chemistry that applies physics to the study of chemistry
- the ratio of an objects mass to its volume and is measured in gram per milliliter or cubic centimeter
Down
- helps us to understand how things work, contributes to our knowledge, and help us make predictions about what will happen
- the study of carbon and its compounds
- anything that has mass and occupies space
- composed of one kind of atom
- the smallest unit of matter
10 Clues: the smallest unit of matter • composed of one kind of atom • the study of carbon and its compounds • anything that has mass and occupies space • composed of 2 or more elements chemically combined • the study of matter and energy and the interactions between them • the branch of chemistry that applies physics to the study of chemistry • ...
Les matières scolaires 2022-10-01
At school 2021-02-04
Project 1 page 35 word list 2025-02-03
Frankenstein 2021-11-22
Across
- What university did Victor Frankenstein go to?
- Victor's chemistry teacher
- Where was Robert Walton headed at the beginning of the novel?
- Who created the monster?
Down
- Victor's best friend
- Who attacked the monster at the cottage?
- Who was hanged for the murder of Victor's brother
- Where was Victor Frankenstein born and raised?
- Victor's wife
- What did science Victor study in particular?
10 Clues: Victor's wife • Victor's best friend • Who created the monster? • Victor's chemistry teacher • Who attacked the monster at the cottage? • What did science Victor study in particular? • Where was Victor Frankenstein born and raised? • What university did Victor Frankenstein go to? • Who was hanged for the murder of Victor's brother • ...
Anthony Chiappetta stoich 2022-03-08
Across
- a atom with a mass of 12
- has to do with moles
- an atom between (Pa) and a atom of 237
- name of a science class
- a unit of measurment used to weigh atoms
Down
- a yield of a certain percent
- the process of converting something
- combining chemistry and biology
- math and science term
- a atom with the symbol of (Mc)
10 Clues: has to do with moles • math and science term • name of a science class • a atom with a mass of 12 • a yield of a certain percent • a atom with the symbol of (Mc) • combining chemistry and biology • the process of converting something • an atom between (Pa) and a atom of 237 • a unit of measurment used to weigh atoms
words crossword 2025-02-04
Across
- this mixture is saturated in oil
- a solute is dissolved in another substance
- means for something to be mixed together
- the student taking chemistry in high-school
- watter that is safe to drink
Down
- used to separate the liquid
- something that disappears into the water
- the material dissolved in solvent
- caused in the puddle to disappear
- for something to be mixed together
10 Clues: used to separate the liquid • watter that is safe to drink • this mixture is saturated in oil • the material dissolved in solvent • caused in the puddle to disappear • for something to be mixed together • something that disappears into the water • means for something to be mixed together • a solute is dissolved in another substance • ...
Chemistry Crossword 2018-12-13
Across
- A system of easy-to-use warning symbols for hazardous materials
- slow chemical change that occurs when oxygen in the air reacts with metal
- description of a solid that can be stretched into a long wire
- ability of a substance to conduct electricity or heat
- Change of state from a gas to a liquid
- Solid, liquid, gas and plasma
- chemical reaction that produces heat
- Measure of atomic mass
- Change of state from a liquid to a solid
- Amount of mass in a given volume of a substance
Down
- group 17 elements in the periodic table least reactive metals
- number of protons in the nucleus equal to electrons
- Change in the appearance or state of a substance that does not change the composition
- Change of state from solid to a liquid
- substance that speeds up chemical reactions
- positively charged center of an atom contains protons and nuetrons
- chemical reaction that absorbs heat
- invisible negatively charged particle that orbits the nucleus of an atom
- Change of state from a liquid to a gas
- pure substance formed when at least one ,metal and nonmetal combine
- Change of stare from a solid to gas or a gas to a solid
- a material that electricity or heat can move through easily
- chemical combination of two or more substances in a specific ratio
- pure substance that cannot be broken down into other substances contains one atom
- Catalyst involved in chemical reactions in living things
25 Clues: Measure of atomic mass • Solid, liquid, gas and plasma • chemical reaction that absorbs heat • chemical reaction that produces heat • Change of state from solid to a liquid • Change of state from a gas to a liquid • Change of state from a liquid to a gas • Change of state from a liquid to a solid • substance that speeds up chemical reactions • ...
Chemistry Crossword 2019-01-30
Across
- The combination of elements to form compounds has a chemical formula and a
- The formula identifies which elements and how many of each are in the compound.
- Is also a cloudy mixture, but the particles are sosmall that they cannot be filtered out easily (emulsionsare types of colloids in which liquids are dispersed inliquids)
- The only elements in this group known to produce a magnetic field are iron, cobalt and nickel
- Occurs when two or more substances react and create one or more new substances
- Each substance is not clearly visible(A substance dissolved in water is called an aqueous solution)
- In a chemical reaction, the total mass of the reactants,is always equal to the total mass of the products.
- Are reactive nonmetallic elements that form strongly acidic compounds with hydrogen, from which simple salts can be made
- Early chemists used symbols of the sun and the planets to identify the elements known to them.this later was a problem, when more elements were discovered, because they ran out of planets.
- Are not consumed in the reaction. These can be found in living and non-living things.
Down
- Are pure substances formed as a result of the attraction between particles of opposite charges, called ions.
- The substances at the beginning of the reaction are called
- In between elements were called having properties of both metals and non-metals.
- The new materials produced by the reaction are called
- Each substance in the mixture is visible
- Part pharmacist and part mystic) developed many useful procedures, including distillation, and they described the properties of many different materials. They also thought they could change lead and copper into gold
- Cannot be broken down into any simpler substance
- Is a combination of two or more elements in fixed proportions
- Change in color Change in odour, Formation of a gas (bubbles) in a liquid, Formation of a solid (precipitate) in a liquid, Release or absorption of energy (heat), The change is difficult to reverse,
- Is a slow chemical change that occurs when oxygen in the air reacts with a metal
- compounds When non-metals combine, they producea pure substance called a
- Charges A superscript ( + ) or a ( – ) are used to indicate the charge. Na+ and Cl
- Are very reactive, electropositive, monovalent metals forming strongly alkaline hydroxides.
- Is a cloudy mixture in which tiny particles are held(suspended) with another substance, and can be filtered out
- Help in the reactions in the body, which break down food. They also get rid of poison in the body.
25 Clues: Each substance in the mixture is visible • Cannot be broken down into any simpler substance • The new materials produced by the reaction are called • The substances at the beginning of the reaction are called • Is a combination of two or more elements in fixed proportions • compounds When non-metals combine, they producea pure substance called a • ...
Chemistry Crossword 2018-12-10
Across
- positively charged center of an atom contains protons and nuetrons
- Change of stare from a solid to gas or a gas to a solid
- invisible negatively charged particle that orbits the nucleus of an atom
- chemical combination of two or more substances in a specific ratio
- a material that electricity or heat can move through easily
- Change of state from a gas to a liquid
- A system of easy-to-use warning symbols for hazardous materials
- chemical reaction that produces heat
- Measure of atomic mass
- Change in the appearance or state of a substance that does not change the composition
- Solid, liquid, gas and plasma
- number of protons in the nucleus equal to electrons
Down
- Catalyst involved in chemical reactions in living things
- description of a solid that can be stretched into a long wire
- Amount of mass in a given volume of a substance
- pure substance formed when at least one ,metal and nonmetal combine
- Change of state from a liquid to a solid
- Change of state from a liquid to a gas
- substance that speeds up chemical reactions
- group 17 elements in the periodic table least reactive metals
- chemical reaction that absorbs heat
- slow chemical change that occurs when oxygen in the air reacts with metal
- ability of a substance to conduct electricity or heat
- pure substance that cannot be broken down into other substances contains one atom
- Change of state from solid to a liquid
25 Clues: Measure of atomic mass • Solid, liquid, gas and plasma • chemical reaction that absorbs heat • chemical reaction that produces heat • Change of state from a liquid to a gas • Change of state from a gas to a liquid • Change of state from solid to a liquid • Change of state from a liquid to a solid • substance that speeds up chemical reactions • ...
chemistry crossword 2019-02-05
Across
- characteristic of a substance
- yellow triangle
- able or likely to shatter violently or burst apart
- liquid, solid, and gas
- liquid to solid
- liquid to gas
- solid turns to gas without going through the liquid state
- sediments, soil and rocks are added to a landform or land mass
- occupies space and possesses rest mass
- dangerously reactive
Down
- burning of the skin
- any property that is measurable
- a change were a new substance is formed and is not reversible
- a change were no new substance is formed and is irreversible
- gas under pressure
- red octagon
- orange diamond
- poisonous
- water that collects as droplets on a cold surface when humid air is in contact with it.
- combined chemically with oxygen
- catches fire easily
- producing electricity
- risk to human health
- causes slight inflammation
- solids to liquid
25 Clues: poisonous • red octagon • liquid to gas • orange diamond • yellow triangle • liquid to solid • solids to liquid • gas under pressure • burning of the skin • catches fire easily • risk to human health • dangerously reactive • producing electricity • liquid, solid, and gas • causes slight inflammation • characteristic of a substance • any property that is measurable • combined chemically with oxygen • ...
Chemistry Vocabulary 2018-05-18
Across
- figures all the digits that can be known precisely in a measurement
- A mixture that is completely uniform in its composition
- matter that has a definite shape and volume
- The ratio of the mass of an object to it volume
- the amount of matter in an object
- negative and a negative or positive and a positive charge
- a homogeneous mixture
- a pair of valence electrons that is not involved in bonding
- a negatively charged subatomic particle
- a starting substance in a chemical reaction
- A reaction that has to do with fire
- atoms of the same element that have the same atomic number
Down
- positive and negative charges
- a chemical equation in which mass is converted
- a mixture that is not uniform in composition
- A substance that can not be changed into something simpler
- the smallest particle of an element
- the space occupied by a sample of matter
- an arrangement of elements into rows and columbs
- anything that takes up space and has mass
20 Clues: a homogeneous mixture • positive and negative charges • the amount of matter in an object • the smallest particle of an element • A reaction that has to do with fire • a negatively charged subatomic particle • the space occupied by a sample of matter • anything that takes up space and has mass • matter that has a definite shape and volume • ...
Chemistry Crossword 2017-11-07
Across
- The smallest part of an element
- The sum of protons and neutrons in an atom
- The most stable and nonreactive elements
- A change that results when two or more substances react to create a different substance or substances; the new substances have completely different properties from the original ones
- A chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
- A combination of symbols that represent a compound; the formula identifies the elements in the compound and the amount of each element
- Invisible negatively charged particle that orbits the nucleus of an atom
- The ability of a substance to conduct electricity or heat
- Substance that helps a chemical reaction to proceed more quickly
- A pure substance formed when two non-metals combine
- A cloudy mixture that cannot be separated out from the other substance
- A slow chemical change that occurs when oxygen in the air reacts with a metal
- The most reactive non-metal
- An atom that has become electrically charged by losing or gaining electrons
Down
- An experiment in which all reactants and all products of a chemical reaction are accounted for
- A reaction that takes place when two or more substances react to form new substances
- The mass of one atom
- The most reactive of metals
- A pure substance formed when a metal and non-metal combine
- A chemical combination of two or more elements in a specific ratio
- The vertical columns in the periodic table
- The number of protons in the nucleus of one atom of an element
- An element that has both metallic and non-metallic properties
- Orbit of electrons around the nucleus of an atom
- A pure substance that cannot be broken down into other substances; substance made up of only one type of atom
25 Clues: The mass of one atom • The most reactive of metals • The most reactive non-metal • The smallest part of an element • The most stable and nonreactive elements • The sum of protons and neutrons in an atom • The vertical columns in the periodic table • Orbit of electrons around the nucleus of an atom • A pure substance formed when two non-metals combine • ...
Chemistry Crossword 2017-11-07
Across
- slow chemical change that occurs when oxygen in the air reacts with a metal
- number of protons in the nucleus of one atom of an element
- ability of a substance to conduct electricity or heat
- combination of symbols that represent a compound; the formula identifies the elements in the compound and the amount of each element
- a reaction that takes place when two or more substances react to form new substances
- chemical reaction that releases eenergy
- description of how a substance interacts with other substances, such as acids;chemical properties are observable only when a chemical change occurs
- principle that matter is not created or destroyed in a chemical reaction; the mass of the products always equals the mass of the reactants
- metals group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
- chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
- an experiment in which all reactants and all products of a chemical reaction are accounted for
Down
- substance that helps a chemical reaction to proceed more quickly
- change that results when two or more substances react to create a different substance or substances; the new substances have completely different properties from the original ones
- mass of one atom of an element calculated from the total number of protons,neutrons, and electrons of that atom; measured in atomic mass units (amu)
- catalyst involved in chemical reactions in living things
- chemical reaction that absorbs energy
- vertical column of elements in the periodic table; elements in a family all have similar chemical properties; also called a family
- invisible negatively charged particle that orbits the nucleus of an atom
- measure of atomic mass; 1 amu is equal to 1/12th the mass of a carbon 12 atom
- compound that dissolves in water to form a solution with a pH lower than 7
- (CO(g))colourless, odourless gas;produced by incomplete combustion of chemicals containing carbon (e.g. hydrocarbons); major source: motor vehicles
- chemical combination of two or more elements in a specific ratio
- orbit of electrons around the nucleus of an atom
- group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals
- cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
- the smallest part of an element that is representative of that element; a neutral particle made up of a nucleus containing protons and neutrons, and in which the number of electrons equals the number of protons
26 Clues: chemical reaction that absorbs energy • chemical reaction that releases eenergy • orbit of electrons around the nucleus of an atom • ability of a substance to conduct electricity or heat • catalyst involved in chemical reactions in living things • number of protons in the nucleus of one atom of an element • ...
Chemistry Crossword 2017-11-07
Across
- pure substance that cannot be broken down into other substances; substance made up of only one type of atom
- group 17 elements in the periodic table;the most reactive non-metals
- description of how a substance interacts with other substances, such as acids;chemical properties are observable only when a chemical change occurs
- reaction that takes place when two or more substances react to form new substances
- the smallest part of an element that is representative of that element; a neutral particle made up of a nucleus containing protons and neutrons, and in which the number of electrons equals the number of protons
- a material that electric charge can move through easily
- description of a solid that can be stretched into a long wire
- group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
- combination of symbols that represent a compound; the formula identifies the elements in the compound and the amount of each element
- change that results when two or more substances react to create a different substance or substances; the new substances have completely different properties from the original ones
- mass of one atom of an element calculated from the total number of protons,neutrons, and electrons of that atom; measured in atomic mass units (amu)
- chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
- of mass principle that matter is not created or destroyed in a chemical reaction; the mass of the products always equals the mass of the reactants
- an experiment in which one or more products of a chemical reaction can escape
Down
- invisible negatively charged particle that orbits the nucleus of an atom
- pure substance formed when at least one metal and one non-metal combine
- number of protons in the nucleus of one atom of an element
- group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals
- chemical reaction that releases energy
- chemical reaction that absorbs energy
- ability of a substance to conduct electricity or heat
- measure of atomic mass; 1 amu is equal to 1/12th the mass of a carbon 12 atom
- an experiment in which all reactants and all products of a chemical reaction are accounted for
- atom that has become electrically charged because it has lost or gained electrons; a positive ion is an atom that has lost one or more electrons;a negative ion is an atom that has gained one or more electrons
- catalyst involved in chemical reactions in living things
25 Clues: chemical reaction that absorbs energy • chemical reaction that releases energy • ability of a substance to conduct electricity or heat • a material that electric charge can move through easily • catalyst involved in chemical reactions in living things • number of protons in the nucleus of one atom of an element • ...
Chemistry crossword 2017-03-26
Across
- A reaction that involves the breakdown of a compound into simpler substances
- An ion that does not take part in a chemical reaction
- A reaction that involves the building up of compounds by combining simpler substances, normally elements
- A theory stating that the particles involved in a chemical reaction must collide in order to react
- A strong acid readily releases a hydrogen ion in a chemical reaction
- A reaction used to prodduce solid products from solutions of ionic substances
- A smaller molecule from which polymers are made
- The number of active molecules in a set volume of solution
- a substance that can be broken down by bacteria, fungi and other living organisms
- a substance that increases the rate of a reaction but is not used up in the reaction
- a mixture of a solute dissolved in a solvent such as water
Down
- A long-chain molecule formed by the joining of many smaller repeating molecules
- An insoluble compound formed in a precipitation reaction
- An acid which most of its molecules release hydrogen ions into solution
- A reaction that involves te combination of oxygen with a fuel
- A reaction in which an acid and a base combine to produce a metal salt and water
- A molecule that contains only carbon and hydrogen atoms
- This refers to an acid solution with a high concentration of hydrogen ions
- How fast or slow a reaction proceeds
- Process of joining of smaller units to form a long-chain molecule
- A reaction that involves oxygen and releases light and heat energy
- A small number of active molecules
22 Clues: A small number of active molecules • How fast or slow a reaction proceeds • A smaller molecule from which polymers are made • An ion that does not take part in a chemical reaction • A molecule that contains only carbon and hydrogen atoms • An insoluble compound formed in a precipitation reaction • The number of active molecules in a set volume of solution • ...
Chemistry crossword 2017-03-23
Across
- rate: how fast or slow a reaction proceeds.
- solution of ionic substances.
- a long-chain molecule formed by the joining of many
- into simpler substances.
- the number of active molecules in a set volume of
- concentration of hydrogen ions.
- into solution.
- reaction: a reaction use to produce solid products
- a reaction that involves the building up of compounds
- ion: an ion that does not take part in a
- reaction: a reaction that involves the combination of
- acid: an acid which most of its molecules release hydrogen
- a strong acid readily releases a hydrogen ion in a
- process of joining of smaller unit[monomers] to
- repeating molecules[monomer].
Down
- a small number of active molecules [such as acid] in a
- a mixture of a solute dissolved in a solvent such as
- a molecule that contain only carbon and hydrogen atom.
- A substance that increase the rate of a reaction but is
- a metal salt and water.
- combining simpler substances' normally elements.
- a small molecule from which polymers are made.
- acid: this refer to an acid solution with a
- theory: a theory that starting that the particles involved
- a reaction in which an acid and a base combine to
- An an object or substance that can be
- a reaction that involved a breakdown of a
- an insoluble compound formed in a precipitation
- a chemical reaction must collide in order to react.
- a long-chain molecule[polymer].
- with a fuel or metal.
- used in the reaction.
- reaction; can also be use to the bond between different
- down by bacteria.fungi and other living organisms.
34 Clues: into solution. • with a fuel or metal. • used in the reaction. • a metal salt and water. • into simpler substances. • solution of ionic substances. • repeating molecules[monomer]. • concentration of hydrogen ions. • a long-chain molecule[polymer]. • An an object or substance that can be • ion: an ion that does not take part in a • a reaction that involved a breakdown of a • ...
Chemistry Crossword 2017-03-25
Across
- A type of solution that contains the maximum amount of a solute that will dissolve in a given solvent at a specific temperature.
- The process in which dissolved solute comes out of solution and forms crystals.
- __________ properties are properties that depend only on the number of solute particles in solution and not on the nature of the solute particles.
- Also known as "water-loving". These are solutions that usually contains extremely large molecules such as proteins.
- The ration of mass of a solute to the mass of the solution, multiplies by 100%.
- The term used if two liquids are completely soluble in each other in all proportions.
- It is defined as the number of moles of solute in 1 L of solution.
- This refers to having a measurable vapor pressure. The vapor pressure of the solution is the sum of the individual partial pressure.
Down
- A type of solution that contains less solute than it has the capacity to dissolve.
- A process that causes cells to shrink and, eventually, to cease functioning.
- The term used when the solvation process used water as the solvent.
- An English chemist. His major contribution to science was his discovery of the law describing the solubility of gases, which now bears his name.
- It refers to adherence onto a surface.
- The number of moles of solute dissolved in 1 kg of solvent.
- The selective passage of solvent molecules through a porous membrane from a dilute solution to a more concentrated one.
- A type of solution that contains more solute than what is present in a saturated solution.
- A dispersion of particles of one substance throughout a dispersing medium made of another substance.
- The process in which an ion or a molecule is surrounded by solvent molecules arranged in a specific manner.
- It is made up of one or more cations and one or more anions held together by electrostatic force.
- _________ solution is a solution that obeys the Raoult's law. One of its characteristics is that its heat of the solution is zero.
20 Clues: It refers to adherence onto a surface. • The number of moles of solute dissolved in 1 kg of solvent. • It is defined as the number of moles of solute in 1 L of solution. • The term used when the solvation process used water as the solvent. • A process that causes cells to shrink and, eventually, to cease functioning. • ...
chemistry vocabulary 2021-12-09
Across
- smallest part of an element
- the valance elecrons determime the reactivity of an element
- a chnage where a substances atoms are rearranged into a new substances
- in the middle of the atom
- force=mass x acceleration
- run side to side in rows
- can have properties of both a metal or non metal
- small particles in the electron cloud
- are in the nucleus and have a positive charge
- law of action reaction
Down
- run up and down in columns
- can be malleable, luster, a conductor, and ductile
- a change in size, color, shape, or state of matter
- based on how many electrons are in them
- a cloud that surrounds the atom
- the law of inertia
- the electrons in the outside electron cloud
- a table that is arranged into periods and groups
- are in the nucleus and has a negative charge
- can be brittle, a insulator and can be dull
20 Clues: the law of inertia • law of action reaction • run side to side in rows • in the middle of the atom • force=mass x acceleration • run up and down in columns • smallest part of an element • a cloud that surrounds the atom • small particles in the electron cloud • based on how many electrons are in them • the electrons in the outside electron cloud • ...
Chemistry 1 2022-01-11
Across
- The number of protons in the nucleus of an atom
- An element with physical and chemical properties of both metals and nonmetals
- The prefix meaning "4"
- The gaining of electrons Hint: GER
- The types of rooms found on the right side of the table
- An ion with a negative charge
- Where most of the mass of an atom is
- He did the gold foil experiment
- Elements that contain the same number of protons but different numbers of electrons
- A substance with a low pH
- Types of elements found on the left side of the periodic table
- The smallest part of the atom
Down
- A compound that is made of two or more nonmetals
- A compound that is made of a metal & a nonmetal
- The arrangement of elements that organizes them by property and atomic number Hint: it is our main reference for elements
- Color of a sodium flame
- The temperature, in Celsius, at which water boils Hint: spell it out
- What is emitted when an electron falls from one energy level to another
- These should always be worn to protect our eyes in a lab
- An ion with a positive charge
- Type of room that consists of group 1 & 2
- The loss of electrons Hint: LEO
- Pure substance that cannot be broken down into smaller substances
- Form of matter made with electrons, neutrons, and protons
24 Clues: The prefix meaning "4" • Color of a sodium flame • A substance with a low pH • An ion with a negative charge • An ion with a positive charge • The smallest part of the atom • He did the gold foil experiment • The loss of electrons Hint: LEO • The gaining of electrons Hint: GER • Where most of the mass of an atom is • Type of room that consists of group 1 & 2 • ...
Chemistry Review 2021-12-08
Across
- Has properties of both metals and non-metals
- How many electrons are on the 3rd ring
- means shiny
- Means can be put in a wire
- How many electrons are on the first ring
- Means doesn´t let electricty pass through
- Can be found on right side of periodic table
- No charge
Down
- Has the protons and nuetrons in it
- means breaks easily
- How many electrons are on the second ring
- means not shiny
- Measure atoms mass
- means Can be changed into a sheet
- negative charge
- left side of periodic table
- Positive charge
- How much mass each proton and nuetron is
- Has the electrons in it
- How many rings can a atom have
20 Clues: No charge • means shiny • means not shiny • negative charge • Positive charge • Measure atoms mass • means breaks easily • Has the electrons in it • Means can be put in a wire • left side of periodic table • How many rings can a atom have • means Can be changed into a sheet • Has the protons and nuetrons in it • How many electrons are on the 3rd ring • ...
chemistry vocabulary 2021-12-08
Across
- rings
- number of parts a atom has
- has a neutral charge
- easily broken
- can be pulled into wire
- made of only one type of atom
- center of the atom
- found on the left side of the periodic table
- surrounds the atom
Down
- not shiny
- a new solid is formed
- has a negative charge
- has a positive charge
- change no new substance
- big number in a chemical formula
- smallest part of matter
- can be bent
- small number in a chemical formula
- change new substance
- electricity can pass through
20 Clues: rings • not shiny • can be bent • easily broken • center of the atom • surrounds the atom • has a neutral charge • change new substance • a new solid is formed • has a negative charge • has a positive charge • change no new substance • smallest part of matter • can be pulled into wire • number of parts a atom has • electricity can pass through • made of only one type of atom • ...
chemistry vocab 2021-12-08
Across
- smallest part of element
- negatively charged particle
- when an element has metals in it
- a set of at least two atoms
- right side of periodic table is ______
- left side of the periodic table is ______
- rows go from left to right on periodic table
- anything that takes up space and has mass
- atomic number is 1
- a pure substance that consists of one kind of atom
Down
- when a element has no metals
- outside of energy rings
- in nucleus and have positive charge
- the big letters on an element card
- has neutral charge and is about the same mass of proton
- run up and down on periodic table
- how much something weighs
- electrons arrange into these rings
- the small number on an element
- when heat and light do not pass through
20 Clues: atomic number is 1 • outside of energy rings • smallest part of element • how much something weighs • negatively charged particle • a set of at least two atoms • when a element has no metals • the small number on an element • when an element has metals in it • run up and down on periodic table • the big letters on an element card • electrons arrange into these rings • ...
Chemistry Vocabulary 2021-12-13
Across
- a type of matter defined by a unique particle
- a process during which the atoms of starting substances (reactants) rearrange to form new substances (products)
- to change phase from solid to liquid
- a mixture formed when one substance dissolves in another
- a code that represents the number and kinds of atoms in one particle of a substance
- a mixture of particles smaller than a suspension but larger than a solution, it can't be filtered, and it is not transparent
- capable of being dissolved
- not capable of being dissolved
- two or more substances together that do not form a new substance
- the amount of solute dissolved in a measure of solvent
Down
- a solution with a large amount of solute dissolved in a small amount of solvent
- a mixture with large particles, can be filtered, parts of it will separate on their own
- the name chemists use for a substance
- a substance in which a solute dissolves to form a solution
- anything that has mass and takes up space
- the everyday language name of a substance
- common name for sodium chloride
- to mix one substance uniformly into another substance at the particle level
- chemical formula for water
- a solution with a small amount of solute dissolved in a large amount of solvent
- the study of substances and their properties
- a substance that dissolves in a solvent to form a solution
22 Clues: chemical formula for water • capable of being dissolved • not capable of being dissolved • common name for sodium chloride • to change phase from solid to liquid • the name chemists use for a substance • anything that has mass and takes up space • the everyday language name of a substance • the study of substances and their properties • ...
Chemistry Puzzle 2022-01-04
Across
- a base used to wash your hands
- the first person to come up with a periodic table
- Has neutral pH
- a bond where atoms share electrons
- a negatively charged particle in the atom
- the study of how elements and their combinations
- these elements rarely react with others
- the smallest unit of an element
Down
- a reaction that requires energy
- used to determine whether a substance is an acid or a base
- are full often brittle and do not conduct heat or electricity
- turn red litmus paper blue and taste bitter
- the number of protons
- are shiny and conduct heat and electricity
- A bond where atoms lend or borrow electrons
- a citrus fruit that is an example of an acid
- the neutral particle in an atom
- The positively charged particle in the nucleus of an atom
- turn blue litmus paper red and taste sour
- share attributes of both metals and non metals
- a chemical that starts or speeds up a reaction
- a reaction that gives off energy
22 Clues: Has neutral pH • the number of protons • a base used to wash your hands • a reaction that requires energy • the neutral particle in an atom • the smallest unit of an element • a reaction that gives off energy • a bond where atoms share electrons • these elements rarely react with others • a negatively charged particle in the atom • turn blue litmus paper red and taste sour • ...
Chemistry Puzzle 2022-01-04
Across
- turn blue litmus paper red and taste sour
- used to determine whether a substance is an acid or a base
- share attributes of both metals and non metals
- a bond where atoms share electrons
- A bond where atoms lend or borrow electrons
- the smallest unit of an element
- a reaction that gives off energy
- are full often brittle and do not conduct heat or electricity
- the neutral particle in an atom
- turn red litmus paper blue and taste bitter
- Has neutral pH
- the study of how elements and their combinations
Down
- the first person to come up with a periodic table
- a base used to wash your hands
- the number of protons
- a citrus fruit that is an example of an acid
- The positively charged particle in the nucleus of an atom
- a chemical that starts or speeds up a reaction
- a negatively charged particle in the atom
- are shiny and conduct heat and electricity
- a reaction that requires energy
- these elements rarely react with others
22 Clues: Has neutral pH • the number of protons • a base used to wash your hands • the smallest unit of an element • a reaction that requires energy • the neutral particle in an atom • a reaction that gives off energy • a bond where atoms share electrons • these elements rarely react with others • turn blue litmus paper red and taste sour • a negatively charged particle in the atom • ...
Chemistry Puzzle 2022-01-04
Across
- used to determine whether a substance is an acid or a base
- a bond where atoms share electrons
- a chemical that starts or speeds up a reaction
- turn blue litmus paper red and taste sour
- share attributes of both metals and non metals
- are full often brittle and do not conduct heat or electricity
- the first person to come up with a periodic table
- The positively charged particle in the nucleus of an atom
- the number of protons
- these elements rarely react with others
- a reaction that requires energy
Down
- A bond where atoms lend or borrow electrons
- turn red litmus paper blue and taste bitter
- a base used to wash your hands
- the smallest unit of an element
- a reaction that gives off energy
- a citrus fruit that is an example of an acid
- the neutral particle in an atom
- a negatively charged particle in the atom
- are shiny and conduct heat and electricity
- the study of how elements and their combinations
- Has neutral pH
22 Clues: Has neutral pH • the number of protons • a base used to wash your hands • the smallest unit of an element • the neutral particle in an atom • a reaction that requires energy • a reaction that gives off energy • a bond where atoms share electrons • these elements rarely react with others • turn blue litmus paper red and taste sour • a negatively charged particle in the atom • ...
General Chemistry 2020-05-24
Across
- unit of mass, it's abbreviation is lbs.
- scale where the freezing point is 32° _ and it's boiling point is 212° _
- 1 kilogram is equivalent to 1000 _____
- the most time consuming but easiest way of separating substance
- Point when the temperature reaches 0° C
- measures the amount of matter in
- a process that uses a high boiling point in removing particles or bacteria
- the surface's characteristic, often describe with the words soft, rough, etc.
- a pure substance or any mixture
- amount of space that is occupied
- a process where they use sifters to separate a dry mixture
- this measurement's symbol is d
- used in measuring the width of something
- amount of space that is occupied by the material, it is a n extensive property
- _____ zeros are never significant
- appearance of an object in respect of the reflection of the light
- conversion of gas to liquid
- it refers to when a substance will burn when it encountered fire or flame
- has the same physical and chemical properties
- a branch of science that focuses on the study of matter composition and chemical reaction as well as structure
- studies about drugs and it's reaction to an organism
- studies the effect of poisons on living organism
- wherein it studies the reaction of a chemical that's in a living things
- amount of a substance
Down
- mixture wherein you can see the two different substance with the naked eye
- Chemistry studies the behavior and changes of a matter
- goes straight from solid state through gas without passing the liquid stage
- quantity of mass
- Chemistry deals with the composition of a substance
- all non-zero digits are ____
- a process where they use magnets to separate a material from the mixture
- a state in which particles are flowing with each other
- study of hereditary and genes
- this measurement's factor is 10¹²
- it's a process where it is separated by heat that turns liquid into gas
- Point in which the temperature causes the substance to melt
- separated based on the inner molecular attraction
- when two or more substance are combined but still has their own chemical identities
- the study of the arrangement of atoms and it's physical and chemical effect on a substance
- sum of chemical reaction in living things
- this measurement's symbol is M
- mixture that are combined thoroughly that you can't distinguish the elements
- System composed of seven basic units, it is used around the world.
- Point it is when the temperature causes the substance to boil
- a state of matter where the particles are loosely scattered and are far away from each other
- a state of matter wherein the particles are compact with each other tightly
- can't be split into simpler components
- when two elements are chemically combined
- commonly used for measuring the time
- smallest particle of matter
50 Clues: quantity of mass • amount of a substance • conversion of gas to liquid • smallest particle of matter • all non-zero digits are ____ • study of hereditary and genes • this measurement's symbol is d • this measurement's symbol is M • a pure substance or any mixture • measures the amount of matter in • amount of space that is occupied • this measurement's factor is 10¹² • ...
General Chemistry 2020-05-25
Across
- Composed of two or more substances combined physically in variable proportions
- a metric unit of length equal to one hundredth of a meter.
- Organic compound with carbon and oxygen only
- Elements at the left side and in the center of the periodic table
- it is a branch of chemistry that studies the chemical processes within and relating to living organisms. Biochemical processes give rise to the complexity of life.
- the size length or amount of something as established by measuring.
- Positively charged subatomic particle of an atom
- a substance that flows freely but is of constant volume having a consistency like that of water or oil.
- Indicates that one mole of an element has a mass in grams numerically equal to its atomic mass units
- a substance or matter in a state in which it will expand freely to fill the whole of a container having no fixed shape and no fixed volume.
- the branch of science that deals with the identification of the substances of which matter is composed; the investigation of their properties and the ways in which they interact combine and change; and the use of these processes to form new substances.
- the fundamental unit of length in the metric system equal to 100 centimeters or approximately 39.37 inches.
- Group 7A elements
- Process in which the solid particles are filtered to allow the liquid or filtrate to pass through the filter and be collected as residue
- a substance or object that is solid rather than liquid or fluid
- Horizontal row in the periodic table
- Negatively charged subatomic particle of an atom
- Element that appears at the far right side of the periodic table
- it is a branch of chemistry that deals with synthesis and behavior of inorganic and organometallic compounds.
- The digits in any measurement that are known with certainty plus one digit which is uncertain
- The amount of space occupied by a substance
- Separates components of mixture at different boiling points.
- phase change in which liquid is converted to gas
- a period of time equal to sixty seconds or a sixtieth of an hour.
- Specific energy value of electrons for an atom
- inner transition elements located in the first row of the f block in the periodic table
Down
- The separation of elemental metals from the mixtures
- The quantity of matter in the body
- Uncharged particle found within the atomic nuclei
- the quality or state of being correct or precise.
- a metric unit of capacity formerly defined as the volume of one kilogram of water under standard conditions now equal to 1 000 cubic centimeters
- Elements found in the zigzag order in the periodic table
- the branch of chemistry concerned with the application of the techniques and theories of physics to the study of chemical systems.
- it is a branch of chemistry that studies and uses instruments and methods used to separate identify and quantify matter.
- it is a branch of chemistry that studies the structure properties and reactions of organic compounds which contain carbon in covalent bonding. Study of structure determines their chemical composition and formula.
- Substance consisting of only one kind of atom
- the measurement or extent of something from end to end.
- Ratio of the mass of an object to the volume occupied by that object.
- The sum of the number of protons and neutrons in its nucleus
- Mixture whose a composition varies from position to position within a sample.
- movement of one fluid through another.
- states that atoms other than hydrogen tend to form bonds until surrounded by eight valence electrons
- Called as solution a mixture with uniform composition.
- Phase change in which liquid is converted to solid
- Anything that has mass and occupies space
- Compound that consists of two charged ions
- Phase change that involves the conversion from solid to liquid
- Formed when atom loses or gains electron
- insert gas located at the rightmost side of the periodic table
- the quality, condition, or fact of being exact and accurate.
- bond Formed by losing and gaining of electrons between metal and nonmetal
51 Clues: Group 7A elements • The quantity of matter in the body • Horizontal row in the periodic table • movement of one fluid through another. • Formed when atom loses or gains electron • Anything that has mass and occupies space • Compound that consists of two charged ions • The amount of space occupied by a substance • Organic compound with carbon and oxygen only • ...
General Chemistry 2020-05-25
Across
- Composed of two or more substances combined physically in variable proportions
- a metric unit of length equal to one hundredth of a meter.
- Organic compound with carbon and oxygen only
- Elements at the left side and in the center of the periodic table
- it is a branch of chemistry that studies the chemical processes within and relating to living organisms. Biochemical processes give rise to the complexity of life.
- the size length or amount of something as established by measuring.
- Positively charged subatomic particle of an atom
- a substance that flows freely but is of constant volume having a consistency like that of water or oil.
- Indicates that one mole of an element has a mass in grams numerically equal to its atomic mass units
- a substance or matter in a state in which it will expand freely to fill the whole of a container having no fixed shape and no fixed volume.
- the branch of science that deals with the identification of the substances of which matter is composed.
- the fundamental unit of length in the metric system equal to 100 centimeters or approximately 39.37 inches.
- Group 7A elements
- Process in which the solid particles are filtered to allow the liquid or filtrate to pass through the filter and be collected as residue
- a substance or object that is solid rather than liquid or fluid
- Horizontal row in the periodic table
- Negatively charged subatomic particle of an atom
- Element that appears at the far right side of the periodic table
- it is a branch of chemistry that deals with synthesis and behavior of inorganic and organometallic compounds.
- The digits in any measurement that are known with certainty plus one digit which is uncertain
- The amount of space occupied by a substance
- Separates components of mixture at different boiling points.
- phase change in which liquid is converted to gas
- a period of time equal to sixty seconds or a sixtieth of an hour.
- Specific energy value of electrons for an atom
- inner transition elements located in the first row of the f block in the periodic table
Down
- The separation of elemental metals from the mixtures
- The quantity of matter in the body
- Uncharged particle found within the atomic nuclei
- the quality or state of being correct or precise.
- a metric unit of capacity formerly defined as the volume of one kilogram of water under standard conditions now equal to 1 000 cubic centimeters
- Elements found in the zigzag order in the periodic table
- the branch of chemistry concerned with the application of the techniques and theories of physics to the study of chemical systems.
- it is a branch of chemistry that studies and uses instruments and methods used to separate identify and quantify matter.
- it is a branch of chemistry that studies the structure properties and reactions of organic compounds which contain carbon in covalent bonding. Study of structure determines their chemical composition and formula.
- Substance consisting of only one kind of atom
- the measurement or extent of something from end to end.
- Ratio of the mass of an object to the volume occupied by that object.
- The sum of the number of protons and neutrons in its nucleus
- Mixture whose a composition varies from position to position within a sample.
- movement of one fluid through another.
- states that atoms other than hydrogen tend to form bonds until surrounded by eight valence electrons
- Called as solution a mixture with uniform composition.
- Phase change in which liquid is converted to solid
- Anything that has mass and occupies space
- Compound that consists of two charged ions
- Phase change that involves the conversion from solid to liquid
- Formed when atom loses or gains electron
- insert gas located at the rightmost side of the periodic table
- the quality, condition, or fact of being exact and accurate.
- bond Formed by losing and gaining of electrons between metal and nonmetal
51 Clues: Group 7A elements • The quantity of matter in the body • Horizontal row in the periodic table • movement of one fluid through another. • Formed when atom loses or gains electron • Anything that has mass and occupies space • Compound that consists of two charged ions • The amount of space occupied by a substance • Organic compound with carbon and oxygen only • ...
General Chemistry 2020-05-25
Across
- the measurement or extent of something from end to end.
- Formed by losing and gaining of electrons between metal and nonmetal
- Positively charged subatomic particle of an atom
- the quality or state of being correct or precise.
- a substance or object that is solid rather than liquid or fluid
- Phase change in which liquid is converted to solid
- Called as solution a mixture with uniform composition.
- The quantity of matter in the body
- states that atoms other than hydrogen tend to form bonds until surrounded by eight valence electrons
- Anything that has mass and occupies space
- Uncharged particle found within the atomic nuclei
- the branch of chemistry concerned with the application of the techniques and theories of physics to the study of chemical systems.
- Element that appears at the far right side of the periodic table
- Composed of two or more substances combined physically in variable proportions
- The separation of elemental metals from the mixtures
- it is a branch of chemistry that studies the chemical processes within and relating to living organisms. Biochemical processes give rise to the complexity of life.
- the branch of science that deals with the identification of the substances of which matter is composed.
- The sum of the number of protons and neutrons in its nucleus
- Horizontal row in the periodic table
- a period of time equal to sixty seconds or a sixtieth of an hour.
- it is a branch of chemistry that studies the structure properties and reactions of organic compounds which contain carbon in covalent bonding. Study of structure determines their chemical composition and formula.
- Phase change that involves the conversion from solid to liquid
- Process in which the solid particles are filtered to allow the liquid or filtrate to pass through the filter and be collected as residue
- a metric unit of capacity formerly defined as the volume of one kilogram of water under standard conditions now equal to 1 000 cubic centimeters
- Elements at the left side and in the center of the periodic table
- it is a branch of chemistry that studies and uses instruments and methods used to separate identify and quantify matter.
- the size length or amount of something as established by measuring.
Down
- Mixture whose a composition varies from position to position within a sample.
- a substance that flows freely but is of constant volume having a consistency like that of water or oil.
- The amount of space occupied by a substance
- Ratio of the mass of an object to the volume occupied by that object.
- a result without the expected content
- Compound that consists of two charged ions
- phase change in which liquid is converted to gas
- insert gas located at the rightmost side of the periodic table
- the fundamental unit of length in the metric system equal to 100 centimeters or approximately 39.37 inches.
- Substance consisting of only one kind of atom
- Negatively charged subatomic particle of an atom
- Group 7A elements
- Elements found in the zigzag order in the periodic table
- movement of one fluid through another.
- Specific energy value of electrons for an atom
- the quality, condition, or fact of being exact and accurate.
- a substance or matter in a state in which it will expand freely to fill the whole of a container having no fixed shape and no fixed volume.
- inner transition elements located in the first row of the f block in the periodic table
- Formed when atom loses or gains electron
- it is a branch of chemistry that deals with synthesis and behavior of inorganic and organometallic compounds.
- The digits in any measurement that are known with certainty plus one digit which is uncertain
- Organic compound with carbon and oxygen only
- a metric unit of length equal to one hundredth of a meter.
- Indicates that one mole of an element has a mass in grams numerically equal to its atomic mass units
- Separates components of mixture at different boiling points.
52 Clues: Group 7A elements • The quantity of matter in the body • Horizontal row in the periodic table • a result without the expected content • movement of one fluid through another. • Formed when atom loses or gains electron • Anything that has mass and occupies space • Compound that consists of two charged ions • The amount of space occupied by a substance • ...
General Chemistry 2020-05-25
Across
- Positively charged subatomic particle of an atom
- Organic compound with carbon and oxygen only
- Indicates that one mole of an element has a mass in grams numerically equal to its atomic mass units
- a result without the expected content
- the branch of chemistry concerned with the application of the techniques and theories of physics to the study of chemical systems.
- Elements at the left side and in the center of the periodic table
- a metric unit of length equal to one hundredth of a meter.
- movement of one fluid through another.
- Formed when atom loses or gains electron
- Uncharged particle found within the atomic nuclei
- states that atoms other than hydrogen tend to form bonds until surrounded by eight valence electrons
- The amount of space occupied by a substance
- The quantity of matter in the body
- Substance consisting of only one kind of atom
- a substance or matter in a state in which it will expand freely to fill the whole of a container having no fixed shape and no fixed volume.
- the measurement or extent of something from end to end.
- the quality, condition, or fact of being exact and accurate.
- it is a branch of chemistry that deals with synthesis and behavior of inorganic and organometallic compounds.
- Anything that has mass and occupies space
- the branch of science that deals with the identification of the substances of which matter is composed.
- a metric unit of capacity formerly defined as the volume of one kilogram of water under standard conditions now equal to 1 000 cubic centimeters
- Phase change in which liquid is converted to solid
- Phase change that involves the conversion from solid to liquid
- phase change in which liquid is converted to gas
- The digits in any measurement that are known with certainty plus one digit which is uncertain
- Separates components of mixture at different boiling points.
- Group 7A elements
- it is a branch of chemistry that studies the chemical processes within and relating to living organisms. Biochemical processes give rise to the complexity of life.
- inner transition elements located in the first row of the f block in the periodic table
- Element that appears at the far right side of the periodic table
Down
- it is a branch of chemistry that studies the structure properties and reactions of organic compounds which contain carbon in covalent bonding. Study of structure determines their chemical composition and formula.
- Mixture whose a composition varies from position to position within a sample.
- the quality or state of being correct or precise.
- a substance or object that is solid rather than liquid or fluid
- the size length or amount of something as established by measuring.
- The separation of elemental metals from the mixtures
- insert gas located at the rightmost side of the periodic table
- Formed by losing and gaining of electrons between metal and nonmetal
- Called as solution a mixture with uniform composition.
- Elements found in the zigzag order in the periodic table
- The sum of the number of protons and neutrons in its nucleus
- it is a branch of chemistry that studies and uses instruments and methods used to separate identify and quantify matter.
- Composed of two or more substances combined physically in variable proportions
- Specific energy value of electrons for an atom
- Process in which the solid particles are filtered to allow the liquid or filtrate to pass through the filter and be collected as residue
- Ratio of the mass of an object to the volume occupied by that object.
- Horizontal row in the periodic table
- the fundamental unit of length in the metric system equal to 100 centimeters or approximately 39.37 inches.
- Compound that consists of two charged ions
- a period of time equal to sixty seconds or a sixtieth of an hour.
- Negatively charged subatomic particle of an atom
- a substance that flows freely but is of constant volume having a consistency like that of water or oil.
52 Clues: Group 7A elements • The quantity of matter in the body • Horizontal row in the periodic table • a result without the expected content • movement of one fluid through another. • Formed when atom loses or gains electron • Anything that has mass and occupies space • Compound that consists of two charged ions • The amount of space occupied by a substance • ...
Chemistry Crossword 2020-09-03
Across
- Chemical symbol Au
- The ______ number is located above the element’s symbol
- A substance made up of two or more types of atoms
- The name of a horizontal line on the Periodic Table
- A grid like structure made up of atoms
- Is the 26th element of the periodic table
- Has a chemical symbol of K
- Ion with negative charge
- The atomic mass is made up of the number of protons and ______
- Name for electron shells
- The second electron shell holds ______ electrons
- Protons, neutrons and electrons are all ______ particles
- An atom with positive or negative charge
- Float around the nucleus in shells
- The atomic number is the number of ______ in an atom's nucleus
- Element with 9 protons
- A group of atoms that are bonded together
- The compound water is made up of 2 hydrogen atoms and 1 ______ atom
- Has the chemical symbol Be
- Sodium and ______ make up salt (NaCl).
- The periodic table was developed by ______ Mendeleev
Down
- The atom that becomes the ion, Cr3+
- Has an electron configuration of 2,8,2
- Another name for the outer shell of an atom
- First element on the periodic table
- Mendeleev was able to predict ______ of undiscovered atoms
- Non-reactive atoms have a ______ outer shell
- The name of a vertical line on the Periodic Table
- Nitrogen has ______ electrons
- Sulfur has ______ electrons in its outer shell
- Ion with positive charge
- Element with atomic number of 10
- Has a chemical symbol of Ag
- Ions are formed when an atom gains or ______ electrons
- The inside part of an atom that houses subatomic particles
- A substance made up of only one type of atom
- Smallest building block of matter
- The elements are arranged in ______ order
- There are 118 elements on the ______ table
- A group of atoms that have not been chemically bonded
40 Clues: Chemical symbol Au • Element with 9 protons • Ion with negative charge • Name for electron shells • Ion with positive charge • Has a chemical symbol of K • Has the chemical symbol Be • Has a chemical symbol of Ag • Nitrogen has ______ electrons • Element with atomic number of 10 • Smallest building block of matter • Float around the nucleus in shells • ...
