chemistry Crossword Puzzles
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 • ...
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 • ...
Les matières scolaires 2022-10-01
At school 2021-02-04
Project 1 page 35 word list 2025-02-03
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 • ...
Chemistry Quiz 2020-09-09
Across
- species that have unpaired electrons
- the total electrons in CH3 radical
- the hybridization of carbon in CO2
- the characteristic describing free radical substitution
- the bond that is broken during initiation of chlorine gas
- the effect of electron donating or withdrawing groups
- the phase required to produce free radicals
- the arrow used to describe radicals
- total unpaired electrons in NO gas
- when radicals combine to produce a molecule
- a condition where all atoms lie on the same plane
- a symmetrical bond breaking
- heat evolved
Down
- an intermediate that has only six outer electrons in the carbon atom
- the formal charge of a carbon atom in CH3Cl
- the first step in free radical substitution
- the shape of ammonia molecule
- an acidic gas produced when methane reacts with chlorine under sunlight
- the second step in free radical substitution
- the yield of halogenoalkane that is produced in free radical substitution
- the type of light used in homolytic bond fission
- a chemical process in initiation step
- a type of covalent bond that the source of bonding electrons only from one atom
- having 8 outer electrons
24 Clues: heat evolved • having 8 outer electrons • a symmetrical bond breaking • the shape of ammonia molecule • the total electrons in CH3 radical • the hybridization of carbon in CO2 • total unpaired electrons in NO gas • the arrow used to describe radicals • species that have unpaired electrons • a chemical process in initiation step • the formal charge of a carbon atom in CH3Cl • ...
GENERAL CHEMISTRY 2020-06-03
Across
- a positively charged elementary particle that is a fundamental constituent of all atomic nuclei.
- a chemical element that exhibits some properties of metals and some of nonmetals
- 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.
- number that is non (blank)are always significant
- is the process of loosening the edible part of grain (or other crop) from the chaff to which it is attached. It is the step in grain preparation after reaping.
- is a heterogeneous mixture that contains solid particles sufficiently large for sedimentation.
- is one of the states of matter, it consist of atoms or molecules that are connected by intermolecular bonds.
- figures are any non-zero digits or trapped zeros. They do not include leading or trailing zeros.
- the impetus for which a chemical substance undergoes a chemical reaction, either by itself or with other materials, with an overall release of energy.
- is a unit of measure of the rate of electron flow or current in an electrical conductor.
- the chemistry of carbon compounds
- is a type of bonds require at least one electron donor and one electron acceptor.
- is the method in which heavier components of the mixture are separated from the lighter substances with the help of wind.
- composed of electrons and a nucleus. The nucleus contains protons and neutrons.
- The term itself usually refers to the magnetic dipole moment.
- is a temperature scale designed so that zero degrees K is defined as absolute zero
- This method is best for separating a liquid from a solution.
- is a mixture in which one substance of microscopically dispersed insoluble or soluble particles is suspended throughout another substance.
- is a chemical element with the symbol C and atomic number 6.
- A particle found in the nucleus of an atom. It is almost identical in mass to a proton, but carries no electric charge.
- a standard scientific unit for measuring large quantities of very small entities such as atoms, molecules, or other specified particles.
- is the luminous intensity, in a given direction, of a source that emits monochromatic radiation of frequency 540×1012 Hz and that has a radiant intensity in that direction of 1/683 watt per steradian.
- the quality of an object or substance with respect to light reflected by the object, usually determined visually by measurement of hue, saturation, and brightness of the reflected light; saturation or chroma.used to identify physical property
- is a state of matter characterized by particles arranged such that their shape and volume are relatively stable.
- is a physical property of matter, as each element and compound has a unique density associated with it.
- is the ability of a chemical to burn or ignite, causing fire or combustion.
- is anything that has mass and takes up space.
Down
- the degree to which a chemical substance or a particular mixture of substances can damage an organism.
- is the base unit of time in the International System of Units
- defined as a state of matter consisting of particles that have neither a defined volume nor defined shape
- The process used to separate slightly larger particles from a mixture by hand
- used to separate dry mixtures wich contains substances of different sizes by passing it through a sieve
- a view of reactions: single atomic/molecular collisions
- a branch of chemistry that deals with the identification of compounds and mixtures
- a unit of force and weight, equal to the force that produces an acceleration of 9.80665 meters per second per second
- composed of different substances or the same substance in different phases, as solid ice and liquid water.
- state of matter change from vapor phase to liquid phase.
- is a state of a chemical reaction is a particular configuration along the reaction coordinate.
- a solid, liquid, or gaseous mixture that has the same proportions of its components throughout any given sample.
- a chemical link formed between atoms in molecules and molecules and ions in crystals.
- are chemical compounds with one or more oxygen atoms combined with another element
- this is a more common method of separating an insoluble solid from a liquid.
- is a chemical reaction that occurs between a fuel and an oxidizing agent that produces energy, usually in the form of heat and light.
- is a special type of homogeneous mixture composed of two or more substances.
- is study of the chemical substances and processes that occur in plants, animals, and microorganisms and of the changes they undergo during development and life.
- is the process by which water changes from a liquid to a gas or vapor.
- is the component of a solution that is present in the greatest amount.
- is defined as the substance that is dissolved in a solution.
- is the ability of a solid, liquid, or gaseous chemical substance (referred to as the solute) to dissolve in solvent (usually a liquid) and form a solution
- is a substance with a pH value of more than 7.Views: 13951 Update:2019-11-16
- the fundamental unit of length in the metric system
51 Clues: the chemistry of carbon compounds • is anything that has mass and takes up space. • number that is non (blank)are always significant • the fundamental unit of length in the metric system • a view of reactions: single atomic/molecular collisions • state of matter change from vapor phase to liquid phase. • This method is best for separating a liquid from a solution. • ...
chemistry final 2020-06-11
Across
- a change in condition amount or level
- how far something goes
- how tall something is
- to put force on another object
- facts and statistics collected together for reference or analysis
- the lowest number of something
- the highest number of something
- how heavy something is
- relating to heat
- a substance that is formed as the result of a chemical reaction
- to push someone or something
- to throw something
- a proposed explanation based on limited evidence
Down
- having similar results over many tests
- a device for igniting a mixture
- the region between the highest and lowest value
- a project to prove a theory
- an instrument for measuring temperature
- to get greater in size
- able to be changed or adapted
- the amount of space an object has
- the speed of something in a given direction
- a gust of air
- 0 degrees 45 degrees 90 degrees are called
- the relationship between the mass and volume
- a series of actions or steps taken in order to achieve something
26 Clues: a gust of air • relating to heat • to throw something • how tall something is • how far something goes • to get greater in size • how heavy something is • a project to prove a theory • to push someone or something • able to be changed or adapted • to put force on another object • the lowest number of something • a device for igniting a mixture • the highest number of something • ...
Chemistry Crossword 2020-06-05
Across
- the study of matter
- SI basic unit of temperature
- takes shape of the container, not definite
- Chemical " "
- gas to solid
- " " Figures
- the liquid poured into another container during decantation
- mixture, uniform in composition
- a mixture is poured into a centrifuge apparatus
- exhibits the Tyndall Effect
- solid to liquid
- Physical " "
- separation is dependent upon the solubility of each component in the solvent
- solid particles are allowed to settle at the bottom
- used in Magnetic Separation
- concerned with the properties and behavior of inorganic compounds, which include metals, minerals, and organometallic compounds
- another word for "Intrinsic" Property
- composed of two or more substances
- liquid to solid
- simplest form of matter
- quantity of matter in the object
- " " Property, ability of a substance to react with other substances
- ratio of the mass of an object to the volume it occupies
- amount of space occupied by a substance
- definite shape and volume
- consists of coarse particles that are visible to the naked eye.
- " " Notation
- branch of science that explores the chemical processes within and related to living organisms
Down
- separating a homogenous mixture composed of two substances
- the substance which remains in the strainer
- solid to gas
- another word for freezing
- determined when a certain quantitative value is relatively close to the "true" value
- the liquid that passes through the strainer
- gas to liquid
- separating the components of a suspension
- tells how hot or cold an object is
- anything that has mass and occupies space
- takes shape of the container, definite
- consistency of a result
- old term of melting, solid to liquid
- formed from reaction of elements
- liquid to gas
- " " Change, occurs when the internal make-up of matter stays the same.
- macroscopic, and particulate phenomena in chemical systems
- composition varies from one position to another
- " " Analysis
- study of the structure, properties, composition, reactions and preparation of carbon-containing compounds
- science of obtaining, processing, and communicating information about the composition and structure of matter
- another word for "Extensive" Property
50 Clues: solid to gas • gas to solid • gas to liquid • liquid to gas • " " Figures • solid to liquid • liquid to solid • Chemical " " • Physical " " • " " Analysis • " " Notation • the study of matter • consistency of a result • simplest form of matter • another word for freezing • definite shape and volume • exhibits the Tyndall Effect • used in Magnetic Separation • ...
General Chemistry 2020-06-05
Across
- It is used to quantify the electric current with the “A” symbol.
- It is generally used by farmers to separate grains from stalks after harvesting.
- It is denoted by the symbol “M” in the SI that is in the millionth numerical value.
- It is denoted by the symbol “d” in the SI that is in the tenth numerical value.
- It is the state of matter when particles are neither too close nor too far from each other.
- It is the study of matter, its properties, how and why substances combine or separate to form other substances, and how substances interact with energy.
- It is the state of matter when particles are very close to each other.
- It is the process of separating elemental metals from other particles in a mixture.
- It is the process of converting liquid to gas.
- A type of chemical property: whether the substance undergoes combustion or not.
- ____ figures are the digits in any measurement that are known with certainty, plus one digit which is uncertain.
- It is used to quantify the temperature with the “K” symbol.
- It is the smallest particle of an element.
- It is a simple technique for separating dry mixtures.
- Hand ____ is the simplest method in separating mixtures.
- This physical property is also called as intrinsic property that does not depend on the size or amount of the sample.
- It occurs when solid turns into gas by the addition of heat.
- It exhibits the Tyndall Effect. It consist of dispersed phase or the substance that is dissolved or scattered.
- ____s between nonzero digits are significant.
- _____ chemistry is a branch of chemistry that studies the structure, properties and reactions of organic compounds, which contain carbon in covalent bonding.
- It is the state of matter when particles are far apart from each other.
- It is used to quantify the length with the “m” symbol.
- It is a process of separating the components of a suspension. An example of a mixture that can be separated through this is sand and water solution.
- _____ notation is used in counting the number of significant figures.
- It is used to quantify the time with the “s” symbol.
- It is a mixture whose composition varies from one position to another within the sample.
- A type of chemical property: whether it reacts with acids, bases, and oxygen, gas, or not.
- These are composed of two or more substances combined physically in variable proportions.
Down
- This type of change occurs when the internal make-up of the matter stays the same even after the change.
- A type of chemical property: whether the substance can be easily decomposed or not.
- It is the simplest form of matter since it is composed of only one kind of atom.
- It is anything that has mass and occupies space.
- In addition and ______, the answer must have the same number of decimal places as the measured number with the least number of decimal places.
- It occurs when gas turns into solid.
- In _____ and division, the answer must have the same number of significant figures as the measured number with the lowest number of significant figures.
- It is used to quantify the mass with the “kg” symbol.
- It is denoted by the symbol “T” in the SI that is in the trillionth numerical value
- It is the process of determining the extent of the dimensions, quantity, or extent of something.
- It is denoted by the symbol “m” in International System of Units in the thousandth numerical value.
- This type of change occurs when a substance is converted into a new substance.
- It is denoted by the symbol “p” in the SI that is in the trillionth numerical value.
- It is denoted by the symbol “G” in the SI that is in the billionth numerical value.
- A type of chemical property: whether it will break into charged particles when in solution with water or not.
- Extensive physical property is also called as _____ property.
- It refers to how the values agree closely with one another.
- It is denoted by the symbol “c” in the SI that is in the hundredth numerical value.
- A type of chemical property: whether the substance can damage an organism or not.
- _____ chemistry is the study of macroscopic, and particulate phenomena in chemical systems in terms of the principles and concepts of physics such as motion, energy, force, and time.
- It is a mixture that is also called as solution since it is relatively uniform in composition.
- It tells how close a measured value is to the “true” value.
50 Clues: It occurs when gas turns into solid. • It is the smallest particle of an element. • ____s between nonzero digits are significant. • It is the process of converting liquid to gas. • It is anything that has mass and occupies space. • It is used to quantify the time with the “s” symbol. • It is used to quantify the mass with the “kg” symbol. • ...
General Chemistry 2020-05-31
Across
- whether the substance undergoes combustion or not.
- has the symbol c and a numerical value of 10^-2
- Separation/ the process of separating elemental metals from other particles in the mixture.
- mixture/ is a solid/ liquid/ or gaseous mixture that has the same proportions of its components throughout any given sample.
- has the symbol M and a numerical Value of 10^6
- has no definite shape and no definite volume.
- has the symbol μ and a numerical value of 10^-6
- Elements react with each other to form ___.
- is the amount of substance and uses the symbol mol
- how many significant figures does 143 have?
- process of separating heterogeneous mixtures by allowing the solid particles to settle at the bottom first.
- is a measure of the amount of space that a substance or an object takes up.
- has a definite shape and a definite volume.
- Figures/ the digits in any measurement that are known with certainty with an additional one digit which is uncertain.
- has a definite volume but has no definite shape.
- Physical Property/ also named extrinsic property (depends on size and amount).
- is a heterogeneous mixture that contains solid particles sufficiently large for sedimentation.
- occurs when gas is converted to solid.
- property/ the ability of a substance to react with other substances.
- Substance/ a matter that has a definite composition and distinct properties.
- the process of converting liquid into gas.
- Chloride/ formed when sodium(Na) atom reacts with chlorin (C) atom.
- is a mixture in which one substance of microscopically dispersed insoluble.
- also a process of separating heterogeneous mixtures by spinning using centrifugal force.
Down
- occurs when solid is converted to gas by the addition of heat.
- anything that has mass and occupies space.
- is the study of the chemical substances and vital processes occurring in live organisms.
- has the symbol p and a numerical value of 10^-12
- is the consistency of a result.
- determined when a certain quantitative value is relatively close to the "true" value.
- a method of separating complex mixtures/ an example is paper chromatography and such.
- Physical Property/ also called intrinsic property (does not depend on the size or amount of sample).
- Chemistry/ is the science of obtaining/ processing/ and communicating information about the composition and structure of matter.
- has the symbol k and a numerical value of 10^3
- is a measure of the amount of matter in an object.
- has the symbol G and a numerical value of 10^9
- mixture/ is a solid/ liquid/ or gaseous mixture that has the same proportions of its components throughout any given sample.
- how many significant figures does 1.234x10^-9 have?
- has the symbol d and a numerical value of 0.1
- are composed of two or more substances combined physically in variable proportions.
- how many significant figure(s) does 0.000002 have?
- how many significant figures does 10101 have?
- is the simplest form of matter composed by only one atom.
- has the symbol n and a numerical value of 10^-9
- has the symbol m and a numerical value of 10^-3
- property/ can be measured and observed changing the composition of the substance.
- is a process on extricating mixtures that have two substances with different melting points.
- Notation/ the process of simplifying very large or very small numbers.
- has the symbol T and a numerical value of 10^12
- Chemistry/ the branch of chemistry concerned with the application of the techniques and theories of physics to the study of chemical systems.
50 Clues: is the consistency of a result. • occurs when gas is converted to solid. • anything that has mass and occupies space. • the process of converting liquid into gas. • Elements react with each other to form ___. • how many significant figures does 143 have? • has a definite shape and a definite volume. • has no definite shape and no definite volume. • ...
Chemistry Crossword 2022-03-10
Across
- Particles in a atom with a positive charge.
- Particles in a atom with no charge.
- A mixture in which pure substances are unevenly distributed throughout the mixture.
- A change in which energy is taken in.
- A binary compound where one element is hydrogen and the other is a nonmetal
- Carbon dioxide gas in the atmosphere dissolving into the ocean
- Releases energy.
- Mixture of two or more metals
- A positively charged ion
- A solution with a pH of seven
Down
- An inorganic acid whose molecules contain oxygen, such as sulfuric or nitric acid
- A negatively charged ion
- Formed when one or more electrons are transferred from one atom to another
- Particles in a atom with a negative charge.
- A compound that does not ionize in a solution
- A mixture of compounds that resist change in pH
- A compound that has a pH of more than seven
- A mixture in which substances are evenly distributed throughout the mixture.
- A combination of chemical symbols and numbers to represent a substance
- Compounds composed of cations and anions
- A compound that has a pH of less than seven
21 Clues: Releases energy. • A negatively charged ion • A positively charged ion • Mixture of two or more metals • A solution with a pH of seven • Particles in a atom with no charge. • A change in which energy is taken in. • Compounds composed of cations and anions • Particles in a atom with a positive charge. • Particles in a atom with a negative charge. • ...
Fossil/Chemistry 2022-02-14
Across
- a tool used to brush off dirt and other stuff from an artifact
- oldest archaeology dig
- solid,liquid,gas,plasma
- story made by Homer (roman author)
- just like a fingerprint
- parts of atom with neutral charge
- helps to absorb the ultra-violet radiation from the sun
- energy used for Catscan
- solid form of a fossil fuel
- use of radioactive decay
- makes a 3D image from multiple 2D x-rays
- (CFC) breaks down the ozone
- neutrons + protons
- Methane,nitrogen dioxide,flourinated gases,carbon
- the deeper something is the older it is
- turned to stone or mineralization
- used to dig after the space is no longer able to be dug by a shovel
- the hallowed out formation of the organism
- the remains of plants and animals that lived a long time ago
- non-renewable source
- when the layer of ozone in the atmosphere is almost gone
- a person who studies human history
- radiowaves locate and create images
Down
- chemical analyse of gas ions
- parts of atoms with a charge
- person who studies fossils
- when the entire organism gets trapped in ice,tar,or amber
- the warming of our planet at a rate faster than nature
- combines with itself to be stable in nature
- parts of an organism that are made up of bones example-bone leg
- amount of time for a substance to reduce its mass
- liquid form of fossil fuels
- natural gas is located above these pockets
- no energy left in a substance
- building blocks of the universe (they have no charge)
- a tool used to dig
- 2 or more elements that have no charge and come together to become zero
- footprints
- gas form of fossil fuels
- an atom with a charge (+ or -)
- used to blow air to get dirt and other things off of something that the archaeologists are digging for
- Newest archeological dig
- energy used for MRI
- 2 or more elements with a charge
- formed by filling in the mold fossil
45 Clues: footprints • a tool used to dig • neutrons + protons • energy used for MRI • non-renewable source • oldest archaeology dig • solid,liquid,gas,plasma • just like a fingerprint • energy used for Catscan • use of radioactive decay • gas form of fossil fuels • Newest archeological dig • person who studies fossils • solid form of a fossil fuel • liquid form of fossil fuels • ...
Carbonyl chemistry 2022-03-15
Across
- results in higher boiling point
- able to bond to H-bond
- shorter and stronger than C=C double bond
- the boiling point is 117.9 degrees C
- widely used to methylate carboxylic acids
- another way of drawing a Lewis dot structure for a given compound
- differ from acids by having a leaving group in place of OH functionality
- strong bond, therefore hard to stretch, therefore takes more energy
- more stable than aldehydes
- can act as a nucleophile
Down
- simplist carbonyl group
- more reactive than the parent compound so further reactivity is very likely
- exists between C and O 2p orbitals
- the boiling point is 221.2 degrees C
- usually give two carbonyl stretches
- the boiling point is 50.9 degrees C
- reduced double bond character of carbonyl group
- organic reaction which is employed to convert carboxylic acids in presence of excess alcohol and a strong acid catalyst to give an ester as a final product
- amine + carboxylic acid
- destroys the organometallic reagent
20 Clues: able to bond to H-bond • simplist carbonyl group • amine + carboxylic acid • can act as a nucleophile • more stable than aldehydes • results in higher boiling point • exists between C and O 2p orbitals • usually give two carbonyl stretches • the boiling point is 50.9 degrees C • destroys the organometallic reagent • the boiling point is 221.2 degrees C • ...
AROMATICITY CHEMISTRY 2021-10-28
Across
- a Friedel craft reaction that leads to the addition of alkyl substituent to a benzene ring via alkyl carbonation?
- Which 5-memebered heterocyclic compound is most reactive in Electrophilic aromatic substitution reactions?
- A chemical specie that forms a chemical bond by donating its pair of electrons.
- rule - A formulaic factor that is used to determine if a compound is aromatic
- a fully conjugated cyclic system, that is planar and obey huckle’s rule is said to be?
- A benzene mono-substituted with NO2 causes a relatively slow reaction of the benzene ring. What substituent group is NO2?
- tetrafluoroborate-In the nitration reaction, what is the other reagent that can be used instead of nitric acid and sulphuric acid at very low temperatures?
- Acid- Oxidation of alkyl benzene with Potassium permanganate give rise to?
- bromide- What catalyst is added to enable a reaction between a benzene ring and molecular bromine?
- The reaction between diazonium ion and cuprous salt is called
- Which reduction reaction reduces a carbonyl unit to CH2 under acidic conditions?
- groups (electron withdrawing groups) dictate their substituents to which position on the benzene ring?
Down
- -A Friedel – Craft reaction that causes a straight alkyl side chain to a benzene followed by the loss of (C=O).
- a reaction for heterocyclic compound ring construction using nitrile in the presence of azide ion or alkynes as starting material
- - A substituent compound or molecule that is at position 2 to the main functional group on an aromatic compound is at what position
- Aromatic substitution reaction that works well for both pyridine & quinoline
- One of the rules of aromaticity is that aromatic compounds must be what geometry-
- A group that increases the rate of a reaction of a benzene ring and directs incoming substituent to ortho or Para position is-
- Occurs when two or more 2p orbitals overlap in an acyclic or cyclic system
- isomerism Tautomerism is also known as what?
- only involves the movement of electrons and never atoms
- halides-Compounds that do not react with benzene without a catalyst (Lewis acid catalyst e.g., FeBr3) present.
- the effect of influencing the position of different groups on the benzene ring is?
- – a reaction for heterocyclic compound ring construction using 1,4 or 1,5- diketone
- Benzene is more comfortable to undergo what type of substitution reaction
25 Clues: isomerism Tautomerism is also known as what? • only involves the movement of electrons and never atoms • The reaction between diazonium ion and cuprous salt is called • Benzene is more comfortable to undergo what type of substitution reaction • Occurs when two or more 2p orbitals overlap in an acyclic or cyclic system • ...
Chemistry review 2021-10-22
Across
- Harmful effect
- Gas, Not shiny, Poor conductor, Low malleability Easiness to be hammered un sheet
- Quick/weak
- nonmetal and nonmetal
- Danger
- Smell
- Metal and nonmetal
- Easiness to bend or shape
- Shiny, Good conductor, High malleability
- Negative of Charge in ion
- low/high
- Positive of Charge in ion
- P+ charge in nucles
- Amount of matter per unit volume
- e- charge in energy level
- The glowing splint
Down
- Remain uncharge
- Temperature substance Boling
- Big/small
- In the periodic table
- something to see your element
- shininess
- React with oxygen
- Very reactive
- Strong/week
- Favor
- not reactive
- Temperature substance melt
- feel of surface
- In the periodic table
- The symbol type of hazard
31 Clues: Smell • Favor • Danger • low/high • Big/small • shininess • Quick/weak • Strong/week • not reactive • Very reactive • Harmful effect • Remain uncharge • feel of surface • React with oxygen • Metal and nonmetal • The glowing splint • P+ charge in nucles • In the periodic table • nonmetal and nonmetal • In the periodic table • Easiness to bend or shape • Negative of Charge in ion • Positive of Charge in ion • ...
Chemistry review 2021-10-22
Across
- mass / volume = -?-
- The element in period 3, group 13
- In a -?-, all elements have similar number of energy levels
- the sum of the protons and neutrons in the nucleus of an atom
- The formula of this molecular compound is CO2
- A pure substance that can’t be broken down into simpler substance
- The element in period 4, group 2
- The transition of a substance directly from the gas to the solid state
- A negatively charged ion (after gaining electrons)
- The transition of a substance directly from the solid to the gas state
- The formula of this ionic compound is Li₂S
- The most reactive metals
- A mixture where different substance are not visible (only 1 phase)
- In a -?-, all elements have similar number of valence electrons
- Have properties of both metal and non-metal
- The molecular compound formed when hydrogen and oxygen is sharing electrons(the answer is the formula)
- The elements in this group have a full valence shell
- A pure substance that contains 2 or more elements in a fixed ratio
Down
- An electron in the outermost shell
- Ability of a substance to react with oxygen
- Using what you already know to make an educated guess about what will happen
- Sodium chloride, calcium fluoride, magnesium oxide
- A positively charged ion (after losing electrons)
- The ability to be stretched into a wire
- A mixture where different substance a visible (more than 1 phase)
- The ionic compound formed when sodium reacts with chloride (the answer is the formula)
- Carbon dioxide,dinitrogen monoxide,hydrogen peroxide
- The WHMIS symbol for products that could cause skin burns and serious eye damage
- A metal’s capability to be hammered into a sheet
- Atoms of the same element that have different number of neutrons
- The most reactive non-metals
- the creator of the plum pudding model
32 Clues: mass / volume = -?- • The most reactive metals • The most reactive non-metals • The element in period 4, group 2 • The element in period 3, group 13 • An electron in the outermost shell • the creator of the plum pudding model • The ability to be stretched into a wire • The formula of this ionic compound is Li₂S • Ability of a substance to react with oxygen • ...
Chemistry Crossword 2021-10-25
Across
- one or more substances are converted into a new substance with new properties, most are irreversible
- discovered the atom was spherical in shape, found this information in 1803
- a guess made by an observer, every guess only has 1
- also known as amu, is the sum of the masses of the element's isotopes Isotope atom of the same element with a different number of neutrons, EX> Beryllium 8=Beryllium 9
- neutral, found in nucleus, contributes to mass
- how reproducible your data is, hitting the same spot consistently
- increases with temperature increase, expands
- number of protons equal to the number of electrons, also known as a stable atom
- amount of matter in a given amount of space, unique to the object, to find use the equation: mass/volume
- discovered electrons, plum pudding, Cathode Ray Tube Experiment
- observed/measured without changing the substance itself, EX> color/shape/texture/smell/state of matter/etc.
- numerical data, EX> age/weight/amount
- located in the middle of the box representing the element, tells you what the element is
- positive, found in nucleus, contributes to mass
Down
- change is a substance that does not alter the chemical identity, EX> ripping/cutting/sharpening/etc.
- gold foil experiment, discovered that the nucleus was small/dense/positive
- negative, found outside the nucleus, does not contribute to mass
- discovered the atom, greek philosopher
- used to distinguish between and identify substances, can be physical or chemical
- you can find it by adding the number of protons and number of neutrons, it is the total number of protons and neutrons in the nucleus
- indicates how a substance will react/fail to react with another substance, determined by changing the substances identity/composition
- two or more elements that are chemically combined, definite ratio
- how close your answer is to the accepted value, hitting the bullseye
- smallest particle of an element that has the same properties as the element, has a central nucleus
- a substance that is made of one kind of atom, it cannot be decomposed into a simpler substance by ordinary chemical processes.
- data observed without measuring, EX> color/shape/smell/texture/etc.
- bendable, pounded into thin sheets
- never changes, measured in grams
- located at the top of the box representing the element, is equal to the number of protons
- formed into a wire, ability to be formed without fracture
30 Clues: never changes, measured in grams • bendable, pounded into thin sheets • numerical data, EX> age/weight/amount • discovered the atom, greek philosopher • increases with temperature increase, expands • neutral, found in nucleus, contributes to mass • positive, found in nucleus, contributes to mass • a guess made by an observer, every guess only has 1 • ...
Aromatic Chemistry 2021-11-11
Across
- Describes the reaction where the diazonium ion reacts with cuprous salts
- Known as dynamic isomerism
- This is a foul-smelling aromatic amine, which is very unreactive
- Electron-loving, a reactant which accepts pairs of electrons to form a new covalent bond
- Adding a carbon chain onto a benzene ring
- Aromaticity requires a ... system to be fullyconjugated
- The 3 directing groups are para, ortho and ...
- A functional group attached to benzene which removes electron density
- Where more than 2 p orbitals overlap in an acylic or cyclic system
- The alkylation process of the addition of an alkyl halide to an aromatic ring using a strong Lewis acid
- How sp3 carbons act which reduces the number of resonance forms
- A characteristic of benzene describing how all the molecule's atoms lie within the same plane
Down
- Ion which is the electrophile in Nitration reactions
- Pyridine is less reactive than benzene in ... aromatic substitution reactions
- Pyridine undergoes this aromatic substitution reaction
- This is a positively charged ion which is produced during electrophilic substitution
- This involves the movement of electrons
- The reaction where benzene reacts with Cl or Br in a catalyst's presence
- When benzene diazonium chloride reacts with fluoroboric acid at a temperature of 0*C to produce fluoro benzene
- groups Atoms or groups which increase the reactivity of benzene by increasing the ring's electron density
- How identical resonance forms will contribute
- This is the 4n + 2 rule
- This is required when Cl/Br are not strong enough electrophiles in a halogenation reaction
23 Clues: This is the 4n + 2 rule • Known as dynamic isomerism • This involves the movement of electrons • Adding a carbon chain onto a benzene ring • How identical resonance forms will contribute • The 3 directing groups are para, ortho and ... • Ion which is the electrophile in Nitration reactions • Pyridine undergoes this aromatic substitution reaction • ...
Chemistry Crossword 2021-11-18
Across
- This element normally has 31 electrons
- a table of the chemical elements arranged in order of atomic number.
- is the elemental symbol for Helium
- The far right column on the periodic table is this group: _________ gasses.
- Ag is the chemical symbol for this element.
- This element has just 1 proton and 1 electron
- This element has an atomic weight of 15.999
- neutrally charged particle
- this is the symbol for chlorine.
- is the elemental symbol for Bromine
- positively charged particle
- this elements atomic number is 78
- This elements symbol is "Au"
- sodium has this symbol
- This element symbol is "Ni".
Down
- This elements atomic number is 14
- Element # 6 is essentail for life as we know it.
- This element has 27 protons
- This elements symbol is "Hg".
- Each horizontal row on the periodic table is called a ________.
- This element has just 3 protons
- This element has an atomic number of 10
- This elements symbol is "Fe".
- negatively charged particle
- This element has 7 protons and 7 electrons.
- Li,Na,K,RB,CS,Fr are all part of this group.
- This elements symbol is "Sn".
- has an atomic weight of 24.305
28 Clues: sodium has this symbol • neutrally charged particle • This element has 27 protons • negatively charged particle • positively charged particle • This elements symbol is "Au" • This element symbol is "Ni". • This elements symbol is "Hg". • This elements symbol is "Fe". • This elements symbol is "Sn". • has an atomic weight of 24.305 • This element has just 3 protons • ...
Aromatic Chemistry 2021-11-10
Across
- __ is a very unreactive and stable aromatic imine
- A compound is __ when one or more series of atoms in the compound is connected to form a ring
- When dry, benzene diazonium chloride is __
- An electron transfer mediated radical reaction involves benzene diazonium chloride producing a __
- __ is the transfer of an alkyl group from one molecule to another
- In the __ position a nitro group cannot stabilize a negative charge
- Pyridine does not undergo EAS because the ring is unreactive to __
- Anisole is __ /para directing
- __ involves only the movement of electrons (not atoms)
- EAS stands for __
- __ is an aromatic compound formed by ionic reaction between hexane-2,5-dione + ammonia
- __ is an organic chemical compound with the molecular formula of C6H6
Down
- __ is the organic reduction of a carbonyl group using a reducing agent
- __ is when different groups on the benzene ring influence the position of subsequent reactions
- __ reaction is the of adding an acyl group to a compound
- __ requires a cyclic system to be fully conjugated
- Pyrroles and a strong acid make __
- Nucleophilic aromatic substitution reaction works well for both pyridine and __
- Benzene diazonium chloride reacting with cuprous salts is known as the __ reaction
- __ is possible if there is a mobile atom group
- An aromatic compound that has at least one other atom than carbon in its ring is __
- __ is when all atoms in a molecule or part of a molecule lie in the same plane
- __ is the most powerful electron donor during electrophilic aromatic substitution for ring modification (in 5-membered heterocyclic rings)
- __ is the overlap of more than two 2p orbitals in an acyclic or cyclic system
24 Clues: EAS stands for __ • Anisole is __ /para directing • Pyrroles and a strong acid make __ • When dry, benzene diazonium chloride is __ • __ is possible if there is a mobile atom group • __ is a very unreactive and stable aromatic imine • __ requires a cyclic system to be fully conjugated • __ involves only the movement of electrons (not atoms) • ...
Chemistry Vocabulary 2022-02-10
Across
- States that atoms lose, gain or share electrons in order to acquire a full set of eight valence electrons
- the regions of space in which electrons can move about the nucleus of an atom
- basic unit of matter
- A process by which an electric current breaks chemical bonds.
- A group of atoms bonded together
- Atoms of the same element that have different numbers of neutrons
- A chemical bond that involves sharing a pair of electrons between atoms in a molecule
- when two molecules of the same substances are attracted to one another
- subatomic particle with a positive charge
- when two molecules of different substances are attracted to one another
- the number of protons in the nucleus of an atom of an element
- a substance (such as water) that has the ability to dissolve many other substances
- A liquid substance capable of dissolving other substances
- attraction between a partially positive hydrogen atom of a water molecule and a partially negative oxygen atom of another water molecule
- Water's tendency to form an elastic-like sheet or skin
Down
- The electrons in the outermost shell (main energy level) of an atom; these are the electrons involved in forming bonds.
- A covalent bond in which electrons are not shared equally
- A horizontal row of elements in the periodic table
- a covalent bond in which the electrons are shared equally by the two atoms
- A subatomic particle that has a negative charge
- A substance that is dissolved in a solution.
- a vertical column of elements in the periodic table
- Formed when one or more electrons are transferred from one atom to another
- anything that has a mass and takes up space
- The amount of energy required to remove an electron from an atom
- a pure substance made of only one kind of atom
- A positively charged ion
- A subatomic particle that has no charge and that is found in the nucleus of an atom
- A negatively charged ion
- the number of protons and neutrons found in a single atom of a given element
30 Clues: basic unit of matter • A positively charged ion • A negatively charged ion • A group of atoms bonded together • subatomic particle with a positive charge • anything that has a mass and takes up space • A substance that is dissolved in a solution. • a pure substance made of only one kind of atom • A subatomic particle that has a negative charge • ...
chemistry crossword 2022-01-31
Across
- a thing that is composed of two or more separate elements; a mixture
- makeup of something
- Marked by lack of variation, diversity, change in form
- a characteristic or trait that you can use to describe matter by observation, measurement, or combination
- a distinguishing quality, trait, or feature of an individual, thing, disorder
- dense region consisting of protons and neutrons at the center of an atom
- form of matter having constant chemical composition and characteristic properties.
- a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
- a part or aspect of something abstract, especially one that is essential or characteristic
- having to do with the nucleus of a atom
Down
- the nature of something's ingredients or constituents; the way in which a whole or mixture is made up
- a small localized object to which can be ascribed several physical or chemical properties, such as volume, density, or mass
- the basic unit of a chemical element.
- a subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen
- the basic unit of a chemical element
- a particle with a positive charge that is in the nucleus of an atom.
- how something acts or reacts to another thing
- a substance made by mixing other substances together
- basis supporting existence or determining essential structure or function
- lightest stable particle having a negative charge
20 Clues: makeup of something • the basic unit of a chemical element • the basic unit of a chemical element. • having to do with the nucleus of a atom • how something acts or reacts to another thing • lightest stable particle having a negative charge • a substance made by mixing other substances together • Marked by lack of variation, diversity, change in form • ...
Chemistry Energetics 2022-02-22
Across
- the standard enthalpy change of ___ is the difference between the enthalpy of the products and enthalpy of reactants under standard condition.
- the energy or heat energy content of a substance with units kJ/mol
- the higher the enthalpy, the less ___ the substance
- a hypothetical gas whose molecules occupy negligible space and have no interactions (5,3)
- a positive enthalpy change shows an ___ reaction
- any moving object possesses ___ energy
- the enthalpy of ___ of a substance is the change in enthalpy produced when one mole of fuel is reacted with excess oxygen to produce carbon dioxide and water
- the enthalpy of ___ is the change in enthalpy when one mole of a substance in the standard state is formed from its pure elements under the same conditions.
- a chemical equation written with an associated change in enthalpy value (14,8)
- the act of measuring changes in state variables of a body for the purpose of deriving the heat transfer associated with changes of its state
- the enthalpy of ___ is the enthalpy change associated with the dissolution of a substance in a solvent at constant pressure resulting in infinite dilution
- the minimum energy required for a reaction to occur (10,6)
Down
- the amount of energy required to break one mole of bonds in the gaseous state averaged across a range of compounds containing that bond (7,4,8)
- according to ___'s law, the heat absorbed or released in a chemical process is the same, whether the process takes place in one or several steps
- the energy required to raise the temperature of 1g of a substance by 1K (8,4,8)
- a negative enthalpy change shows an ___ reaction
- a theory that explains rate of reactions at a molecular level (9,6)
- ~101.325kPa, 273K
- the enthalpy of ___ is the change in enthalpy that occurs when one equivalent of an acid and one equivalent of a base undergo a reaction to form water and salt.
- a substance that increases the rate of reaction without being consumed
20 Clues: ~101.325kPa, 273K • any moving object possesses ___ energy • a negative enthalpy change shows an ___ reaction • a positive enthalpy change shows an ___ reaction • the higher the enthalpy, the less ___ the substance • the minimum energy required for a reaction to occur (10,6) • the energy or heat energy content of a substance with units kJ/mol • ...
Chemistry Review 2022-03-29
Across
- Protein that increases in response to inflammation
- Brain damage due to high levels of bilirubin in the brain
- Enzyme elevated in bone disorders
- Enzyme with five isoenzymes found in lots of different tissue types
- Tumor leading to elevated urine vanillylmandelic acid and homovanillic acid
- Vitamin, deficiency of which causes pellagra
- Epinephrine and norepinephrine
- Major extracellular cation
- Specimen integrity issue that often leads to cancellation of potassium and LD tests
- Major acute myocardial infarction marker
- Solution with a higher osmotic pressure than plasma
- Kidney subunit
- Type of immunoassay with an inverse relationship between patient antigen and signal
- Compound made from the detoxification of ammonia
- Hormone elevated in pregnancy and certain cancers
- Another name for T4
- Moles of particles per kg of water
- Product of purine breakdown
- Iron transport protein, found in beta globulin zone of SPEP
- Substance occasionally used to make the most accurate GFR measurement
- Cells responsible for bone formation
- Another name for transthyretin, used as a marker for nutritional status
- “Love hormone” that stimulates uterine contractions and milk letdown
- Immunoassay type using forward- or right-angle scatter of light for measurement
- Element required for synthesis of thyroid hormones
- Lipoprotein with the highest triglyceride content
- Organic catalysts
- Major cocaine metabolite
- Common type of hypothyroidism
Down
- Deficiency of vitamin D in children causes________
- The circulating form of vitamin A
- A disease of increased bone resorption
- Word meaning “caused by medical exam or treatment”
- When substrate is in excess in an enzymatic reaction, it is in ______ order kinetics
- Cherry red dyshemoglobin
- Main buffer system in the blood
- Inherited disorders of heme biosynthesis
- Reaction used to measure creatinine
- Multiple sclerosis causes _____________ banding on CSF electrophoresis
- Analyte elevated in both acute pancreatitis and mumps
- Enzyme used in the reference method of testing for serum glucose
- Technique to separate substances depending on their solubilities in stationary and mobile phases
- Substance tested for chloride concentration in cystic fibrosis patients
- Technique used to confirm abnormal SPEP results
- Main metabolite of the drug procainimide
- Colligative property commonly used to measure osmolality is___________depression
- Measurement technique that relies on Beer’s Law
- Negatively charged electrode
- Metabolic breakdown process
- Component of alpha-2 band in serum protein electrophoresis (SPEP). Binds free hemoglobin.
- Chemical produced by intestinal bacteria after metabolizing bilirubin diglucuronide
- A molecule with both positive and negative charges simultaneously
- Innate immune system cascade used to form a channel in pathogens’ outer membranes to cause lysis
- Anion “shifted” into RBCs for electrochemical balance when bicarbonate diffuses out
- Pituitary intermediary between CRH and cortisol
55 Clues: Kidney subunit • Organic catalysts • Another name for T4 • Cherry red dyshemoglobin • Major cocaine metabolite • Major extracellular cation • Metabolic breakdown process • Product of purine breakdown • Negatively charged electrode • Common type of hypothyroidism • Epinephrine and norepinephrine • Main buffer system in the blood • The circulating form of vitamin A • ...
