chemical reaction Crossword Puzzles
Physical and chemical changes 2025-10-15
Across
- ash and carbon dioxide are ________ of burning wood.
- folding paper is an example of __________ change.
- freezing juice is a physical ______.
- _________/rusting is a chemical change.
- ___ and bubbles may be produced during a chemical reaction.
- vinegar and baking soda are _________.
Down
- cracking an egg is an example of ____________ change.
- ________ change can change color and temperature.
- there are two types of change, ________ and chemical.
- chemical changes cannot be ________.
10 Clues: freezing juice is a physical ______. • chemical changes cannot be ________. • vinegar and baking soda are _________. • _________/rusting is a chemical change. • ________ change can change color and temperature. • folding paper is an example of __________ change. • ash and carbon dioxide are ________ of burning wood. • ...
Respiration Crossword 2021-11-16
Across
- The chemical breakdown of glucose into ethanol and carbon dioxide by respiring yeast.
- One of the products of anaerobic respiration in plants and microorganisms .
- A key waste product of protein metabolism in mammals that is excreted in urine.
- The site of anaerobic respiration in cells.
- This is what is released during respiration.
- Process that releases energy.
- Site of aerobic respiration in cells.
- What type of reaction is respiration?
Down
- A reactant that is only present in aerobic respiration.
- Product of anaerobic respiration in mammals.
- Type of respiration with oxygen.
- The sum of all the chemical reactions that happen in an organism.
- The temporary shortage of oxygen in respiring tissues and organs.
- Type of respiration without oxygen.
- A reactant used in aerobic and anaerobic respiration.
- Any reaction in which a substance gives up electrons, as when reacting with oxygen.
- Organ in the body that converts lactic acid into glucose.
17 Clues: Process that releases energy. • Type of respiration with oxygen. • Type of respiration without oxygen. • Site of aerobic respiration in cells. • What type of reaction is respiration? • The site of anaerobic respiration in cells. • Product of anaerobic respiration in mammals. • This is what is released during respiration. • ...
Vocab 6B 2017-03-30
Across
- vertical column of elements on the Periodic Table that have similar physical and chemical properties.
- A chemical reaction in which heat is released and usually feels warm when the heat is released from the reaction.
- A chemical reaction that requires an input of energy and usually feels cold when it absorbs heat in the reaction.
- an interaction that holds atoms together.
- elements that have some properties of metals and non-metals and are found along the zigzag on the Periodic Table.
Down
- electrons on the outermost energy level of an atom that determine the reactivity of the atom.
- states that matter is neither created nor destroyed in ordinary chemical and physical changes.
- a horizontal row of elements on the Periodic Table that have the same number of electron shells.
8 Clues: an interaction that holds atoms together. • electrons on the outermost energy level of an atom that determine the reactivity of the atom. • states that matter is neither created nor destroyed in ordinary chemical and physical changes. • a horizontal row of elements on the Periodic Table that have the same number of electron shells. • ...
Photosynthesis! 2021-05-09
Across
- The gas that plants need to do photosynthesis
- The color of chloroplasts
- Rigid out layer that plant cells have but animal cells don't have
- The stuff that's made in a chemical reaction
- The ingredients in any chemical reaction
- The root word "photo" means...
Down
- The liquid that plants need to do photosynthesis
- The gas that plants also make when they make glucose
- The genetic material that's found in the nucleus of cells and is passed down from parents to offspring
- The type of sugar that plants make
- This provides the energy for photosynthesis
- Water enters plants through their...
12 Clues: The color of chloroplasts • The root word "photo" means... • The type of sugar that plants make • Water enters plants through their... • The ingredients in any chemical reaction • This provides the energy for photosynthesis • The stuff that's made in a chemical reaction • The gas that plants need to do photosynthesis • The liquid that plants need to do photosynthesis • ...
Chapter 6 & 7 Crossword puzzle 2022-11-09
Across
- bond the force that holds cations and anions together
- a neutral group of atoms that are joined together by one or more covalent bonds
- bond the attraction between a metal cation and the shared electrons that surround it
- a diagram of an atom, ion or molecule in which each dot represents a valence electron
- formula notation that shows what elements a compound contains and the ratio of the atoms or ions of these elements in the compound
Down
- energy the energy stored in chemical bonds
- new substances formed as a result of a chemical reaction
- equation a representation of a chemical reaction in which the reactants and products are expressed as formulas
- an atom or group of atoms that has a positive or negative charge
- bond the force that holds atoms or ions together as a unit
- a substance that undergoes change in a chemical reaction
- bond a chemical bond in which two atoms share a pair of valence electrons
12 Clues: energy the energy stored in chemical bonds • bond the force that holds cations and anions together • new substances formed as a result of a chemical reaction • a substance that undergoes change in a chemical reaction • bond the force that holds atoms or ions together as a unit • an atom or group of atoms that has a positive or negative charge • ...
Atomic Vocab 2016-09-12
Across
- of Conservation of Mass is a relation stating that in a chemical reaction, the mass of the products equals the mass of the reactants.
- Sphere Atoms can neither be created or destroyed in a chemical reaction.
- the positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass.
- Life The time required to convert one half of a reactant to product
- is a material system made up of two or more different substances which are mixed but are not combined chemically
- the term for any type of material
- Model Theory or model giving an explanation of the properties of the atomic nucleus and its interactions with other particles.
- One of two or more atoms that have the same atomic number (the same number of protons) but a different number of neutrons.
- A reaction equilibrium in which the reactants and products are all in the same phase.
- Pudding Model The Plum Pudding Model is a model of atomic structure proposed by J.J. Thomson in the late 19th century
- composed of parts of different kinds; having widely dissimilar elements or constituents
- a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign
Down
- A positive ion; an atom or group of atoms that has lost one or more electrons.
- A substance that cannot be decomposed into simpler substances by chemical means, and is made up of atoms all with identical number of protons
- Number the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.
- Number the total number of protons and neutrons (together known as nucleons) in an atomic nucleus.
- Substance substances that are made of only one type of atom or only one type of molecule
- Cloud Model where electrons are when they go around the nucleus of an atom
- is any atom that is not carbon or hydrogen.
- the spontaneous emission of radiation in the form of particles or high energy photons resulting from a nuclear reaction.
- a substance formed when two or more chemical elements are chemically bonded together
- 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.
- Model The model described the atom as a tiny, dense, positively charged core called a nucleus, in which nearly all the mass is concentrated, around which the light, negative constituents, called electrons, circulate at some distance, much like planets revolving around the Sun.
- An atom or a group of atoms that has an electric charge.
- The basic unit of a chemical element.
- a negatively charged ion, as one attracted to the anode in electrolysis.
26 Clues: the term for any type of material • The basic unit of a chemical element. • is any atom that is not carbon or hydrogen. • An atom or a group of atoms that has an electric charge. • Life The time required to convert one half of a reactant to product • a negatively charged ion, as one attracted to the anode in electrolysis. • ...
Oxidative Phosphorylation 2017-07-17
Across
- ATP (9, 12).
- Differences in both solute concentration and charge concentration across a membrane give rise to this (15, 8).
- Metabolic pathway in which cells use enzymes to oxidise nutrients, thereby releasing energy which is used to reform ATP (9, 15).
- An element or compound that donates an electron to another chemical species in a redox chemical reaction (8, 5).
- Describing a metabolic process requiring oxygen (7).
- Gain of electrons during burning or corrosion (9).
- Series of enzyme complexes on the inner membrane of mitochondria (8, 9, 5).
- General name for life sustaining chemical transformations within the cells of living organisms (10).
- A common way of storing energy in molecular form (9, 4).
- Iron containing oxygen transport metalloprotein in red blood cells (11).
- Double membrane bound cellular organelles (12).
Down
- Unit of energy contained in a food (7).
- Ultimate source of the electrons for metabolism (4).
- NAD (12, 7, 12).
- Enzyme that creates the energy storage molecule in the mitochondria (3, 8).
- Believed to be the ancestors of the mitochondria based on analysis of the mitochondrial genome (11, 8).
- Gaseous component of air that is used to accept electrons in metabolism (6).
- Type of chemical reactions involving reduction and oxidation (5).
- Group of two or more atoms held together by chemical bonds (8).
- Poisonous gas that binds tightly to the haem unit of haemoglobin thereby starving bodily tissues of oxygen (6, 8).
- Reduced form of NAD+ (4).
- mnemonic for remembering movement of electrons in reduction and oxidation (3, 3).
- subatomic particle with a negative elementary electric charge (8).
- Region in mitochondria with a generally very high proton density (13, 5).
- Well known poison that quickly causes death by blocking cytochrome c oxidase electron transport (7).
- A chemical reaction that releases energy by light or heat (10).
- The space within the inner mitochondrial membrane (6).
27 Clues: ATP (9, 12). • NAD (12, 7, 12). • Reduced form of NAD+ (4). • Unit of energy contained in a food (7). • Double membrane bound cellular organelles (12). • Gain of electrons during burning or corrosion (9). • Ultimate source of the electrons for metabolism (4). • Describing a metabolic process requiring oxygen (7). • The space within the inner mitochondrial membrane (6). • ...
MBaker-Chapter13 2019-03-12
Across
- The process where reactants gain one or more electrons.
- A polyatomic ion made by adding a proton to a water molecule.
- An ionic compound commonly formed from the reaction between an acid and a base.
- Description of a chemical reaction in which there is a net release of energy.
- The process by which a reactant loses one or more electrons.
Down
- Description of a chemical reaction in which there is a net absorption of energy.
- A rapid exothermic oxidation-reduction reaction between a material and a molecular Oxygen.
- The deterioration of a metal, typically caused by atmospheric oxygen.
- Description of a solution in which the hydroxide ion concentration is higher than the hydronium ion concentration; also sometimes called alkaline.
- A substance that accepts hydrogen ions.
10 Clues: A substance that accepts hydrogen ions. • The process where reactants gain one or more electrons. • The process by which a reactant loses one or more electrons. • A polyatomic ion made by adding a proton to a water molecule. • The deterioration of a metal, typically caused by atmospheric oxygen. • ...
CHEMICAL REACTIONS ARE GOOD 2023-01-24
Across
- THE RESULT OF A CHEMICAL REACTION
- ABLE TO CAUSE DAMAGE
- SOMETHING THAT IS MADE OF ALL THE SAME ATOMS OR A GROUp OF ATOMS
- THE RELATIVE SIZE OF THINGS
- A DIAGRAM TO BETTER HELP UNDERSTAND
- SOMETHING YOU CAN OWN
- PARTICLES THAT MAKE UP THE WORLD
- LETTERS AND NUMBERS SHOWING THE TYPES AND NUMBER OF ATOMS THAT REPEAT TO MAKE UP A SUBSTANCE
- TEMPERATURE AT WHICH A SUBSTANCE CHANGES FROM A SOLID TO LIQUID
- A STARTING SUBSTANCE THAT IS PART OF A CHEMICAL REACTION
Down
- TEMPERATURE AT WHICH A SUBSTANCE CHANGES FROM A LIQUID TO GAS
- ATOMS REARRANGE TO FORM A NEW SUBSTANCE
- A STRUCTURE FORMED BY REPEATING GROUPS OF ATOMS LINKED TOGETHER IN A LARGE NETWORK
- PARTICLES THAT WE HAVE BEEN LEARNING
- CHANGE THE ORDER
- STUFF YOU PUT IN SOIL TO HELP GROW PLANTS
16 Clues: CHANGE THE ORDER • ABLE TO CAUSE DAMAGE • SOMETHING YOU CAN OWN • THE RELATIVE SIZE OF THINGS • PARTICLES THAT MAKE UP THE WORLD • THE RESULT OF A CHEMICAL REACTION • A DIAGRAM TO BETTER HELP UNDERSTAND • PARTICLES THAT WE HAVE BEEN LEARNING • ATOMS REARRANGE TO FORM A NEW SUBSTANCE • STUFF YOU PUT IN SOIL TO HELP GROW PLANTS • ...
ICOE2024 2024-09-08
Across
- An organic compound containing the functional group -CHO, often formed by the oxidation of primary alcohols.
- A highly reactive group in organic chemistry, containing a carbon atom double-bonded to an oxygen atom.
- A transition metal with atomic number 30, commonly used as a galvanizing agent.
- Organic compounds containing a sulfur-hydrogen group, often with a strong odor.
- The process of removing electrons from an atom or molecule, often associated with oxidation reactions.
- A positively charged ion formed by losing electrons.
- A class of organic compounds with the general formula R-O-R', where R and R' are alkyl or aryl groups.
Down
- A molecule that consists of one or more atoms of carbon and hydrogen only.
- A measure of tendency of an atom to attract a bonding pair of electrons.
- The process by which a gas turns into a liquid when cooled.
- A four-carbon alkyl group.
- A substance that increases the rate of a chemical reaction without itself undergoing permanent chemical change.
- A simple aromatic hydrocarbon with the formula C6H6.
- A chemical reaction involving the exchange of ligands between two chemical species.
14 Clues: A four-carbon alkyl group. • A simple aromatic hydrocarbon with the formula C6H6. • A positively charged ion formed by losing electrons. • The process by which a gas turns into a liquid when cooled. • A measure of tendency of an atom to attract a bonding pair of electrons. • A molecule that consists of one or more atoms of carbon and hydrogen only. • ...
Matter and Elements 2021-10-12
Across
- characteristics used to describe an object
- a substance that is made during a chemical reaction
- basic unit of matter
- a group of atoms bonded together; the smallest unit of most compounds
- a single kind of matter that is pure and has a specific set of properties
- a chemical substance that is presented at the start of a chemical reaction
Down
- a substance made up of atoms of two or more different elements joined by chemical bonds
- an arrangement of elements in which the elements are separated into groups based on a set of repeating properties
- a pure substance made of only one kind of atom
- a combination of two or more substances that are not chemically combined
10 Clues: basic unit of matter • characteristics used to describe an object • a pure substance made of only one kind of atom • a substance that is made during a chemical reaction • a group of atoms bonded together; the smallest unit of most compounds • a combination of two or more substances that are not chemically combined • ...
Intro to Photosynthesis and Matter Cycles 2024-11-22
Across
- holes through which plants breathe
- the energy used by plants to create chemical energy in the from of molecules
- the general term for life that consumes the dead
- the structure in a plant cell that runs the photosynthesis reactions
- the energy produced by plants and consumed by animals
- the general term for photosynthetic life
- a waste product from plant photosynthesis, a gas plants exhale but animals inhale
- one of the reactants for photosynthesis, a gas plants inhale
Down
- a series of chemical reactions only run by plants that can package solar energy into molecules
- the general term for animal life
- the name for the specific chemical reaction body cells use to produce energy
- a method of growing plants without using soil
- the sugar produced by the chemical re4actions in photosynthesis
- the structure in animals cells that run respiration and produce energy
- a life form that can turn solar energy into chemical energy
- a life form that must consumer chemical energy in order to live
16 Clues: the general term for animal life • holes through which plants breathe • the general term for photosynthetic life • a method of growing plants without using soil • the general term for life that consumes the dead • the energy produced by plants and consumed by animals • a life form that can turn solar energy into chemical energy • ...
Science Term 2- Atoms and their Reactions 2021-06-21
Across
- General term used to describe any atoms that are connected by chemical bonds
- The mass of the whole atom measured by protons and neutrons
- A reaction in which a compound is broken down into single elements or smaller compounds
- A pair of atoms with shared electrons
- A molecule made up of two or more different types of elements
- A reaction in which single elements or small compounds react to form a larger compound
- An exothermic chemical reaction producing oxides
Down
- Electrons on the outermost shell of an atom
- The word used to describe how strong a pull an atom has on another atom, measured on a scale of 0.4 to 0.7
- Horizontal rows on the periodic table
- Reacts with a base to form a salt and water
- Vertical columns on the periodic table
- Can kill 10 000 000 people if ingested
13 Clues: Horizontal rows on the periodic table • A pair of atoms with shared electrons • Vertical columns on the periodic table • Can kill 10 000 000 people if ingested • Electrons on the outermost shell of an atom • Reacts with a base to form a salt and water • An exothermic chemical reaction producing oxides • The mass of the whole atom measured by protons and neutrons • ...
BCE crossword 2022-05-09
Across
- shows a chemical change has occured
- chemist that discovered the law of conservation of mass
- atoms cannot be created or destroyed
- the substances existing before a chemical reaction
Down
- anything that takes up space
- the substances existing after a chemical reaction
- a chemical equation with the same amount of atoms on each side
7 Clues: anything that takes up space • shows a chemical change has occured • atoms cannot be created or destroyed • the substances existing after a chemical reaction • the substances existing before a chemical reaction • chemist that discovered the law of conservation of mass • a chemical equation with the same amount of atoms on each side
Chemical equations 2025-02-07
Across
- A pure substance that can't be broken down
- The smallest unit of matter
- The substances before the chemical reaction
- The substances after the chemical reaction
- Matter can't be created or ______
Down
- Anything with mass that takes up space
- An equation where both sides have equal amounts of atoms
- Making an equation have the same amount of atoms on both sides
- "The Law of Conservation of ___"
- Two or more elements chemically combined
10 Clues: The smallest unit of matter • "The Law of Conservation of ___" • Matter can't be created or ______ • Anything with mass that takes up space • Two or more elements chemically combined • A pure substance that can't be broken down • The substances after the chemical reaction • The substances before the chemical reaction • ...
Lab Crossword 2025-12-02
Across
- substances before a chemical reaction
- law that states that matter is neither created nor destroyed
- equation that shows no matter was created or destroyed
- groups of connected molecules
Down
- attraction of molecules that holds them together
- occurs after a chemical reaction
- anything that takes up space
- the amount of matter in an object
- a process that transforms a substance into a new substance with different properties
- French chemist who discovered the Law of Conservation
10 Clues: anything that takes up space • groups of connected molecules • occurs after a chemical reaction • the amount of matter in an object • substances before a chemical reaction • attraction of molecules that holds them together • French chemist who discovered the Law of Conservation • equation that shows no matter was created or destroyed • ...
Stoichiometry Crossword Puzzle 2021-03-06
Across
- The number before a symbol or formula that shows how many atoms & molecules are used in the reaction.
- reaction, Happens when a product breaks down into reactants.
- reaction, A process that turns substances into another.
- composition, How much of an element is in a compound, in percentage form.
Down
- reaction, 2 or more reactants forming a product.
- The specific number of an element's atoms in a compound
- The substances that are reacting to create the product.
- Law of Conservation of Matter, Law that states Matter can’t be created or destroyed.
- equation, A chemical equation with the same numbers of elements shown on the reactant & product sides.
- mass, The gram atomic mass divided by the number of moles of an element.
10 Clues: reaction, 2 or more reactants forming a product. • The specific number of an element's atoms in a compound • The substances that are reacting to create the product. • reaction, A process that turns substances into another. • reaction, Happens when a product breaks down into reactants. • mass, The gram atomic mass divided by the number of moles of an element. • ...
Chemistry Vocab 2021-10-07
Across
- the minor component in a solution, dissolved in the solvent.
- a biological catalyst
- a molecule or ion capable of either donating a proton
- building blocks, of DNA and RNA
- a naturally occurring, extremely complex substance that consists of amino acid residues joined by peptide bonds.
- substances which react with acids
- species formed from chemical reactions
- a material made up of two or more different Chemical substance/substances
- the positively charged central core of an atom
- a type of chemical bonding that involves the electrostatic attraction between oppositely charged ions
- organic compounds that contain amino and carboxylate functional groups,
- a substance that dissolves a solute
- a stable negatively charged component of an atom.
- atoms or small molecules that bond together to form more complex structures
- an underlying substance or layer.
- large group of organic compounds occurring in foods and living tissues
- The basic unit of matter
Down
- a group of atoms bonded together
- the tendency of dissimilar particles or surfaces to cling to one another
- a special type of homogeneous mixture composed of two or more substances
- a chemical bond that involves the sharing of electron pairs between atoms
- a chemical substance composed of many identical molecules
- molecules that contain hydrocarbons and make up the building blocks of the structure and function of living cells.
- the process of increasing the rate of a chemical reaction
- a particle, atom or molecule with a net electrical charge.
- a substance or material consisting of very large molecules
- a scale used to specify the acidity or basicity
- molecules sticking together
- important class of macromolecules found in all cells and viruses.
- a pure substance consisting only of atoms
- a substance that takes part in and undergoes change during a reaction.
- an aqueous solution consisting of a mixture of a weak acid and its conjugate base
32 Clues: a biological catalyst • The basic unit of matter • molecules sticking together • building blocks, of DNA and RNA • a group of atoms bonded together • substances which react with acids • an underlying substance or layer. • a substance that dissolves a solute • species formed from chemical reactions • a pure substance consisting only of atoms • ...
Properties and Changes 2021-03-04
Across
- the readiness of a substance to produce hydrogen ions
- the ability to rust do to oxygen
- chemical reaction in which thermal energy is absorbed
- property of substance relating to how easily it reacts with other substances
- the amount of space an object occupies
- the external features of a substance
- a chemical substance that produces hydrogen ions in solution and tastes sour
- a measureable characteristic of matter not involving interactions with other substances
- a characteristic of a substance that describes its potential to change when interacting with other substances
- the ability to be drawn out into thin wires
- chemical reactions in which thermal energy is released
- property of a substance defining how easily it ignites and burns
- process where one or more substances are altered into new and different substances
- the ability to be hammered or pressed down
- a type of change in which the form of matter is altered but one substance is not transformed into another
Down
- the characteristic of a slow moving sticky substance
- the readiness of a substance to produce hydroxide ions
- the ability to produce electricity
- the amount of matter in a defined volume
- the characteristic smell of a substance
- temperature at which a liquid substance becomes a gas
- the characteristic of being able to attract because of an electrical force
- a solid substance that forms from a chemical reaction that takes place in a liquid solution
- measure of acidity or basicity of a substance
- a chemical substance that produces hydroxide ions in solutions and tastes bitter
- temperature at which a solid substance becomes a liquid
- combining substances so that new substances are formed that are not separated by normal chemical means
- capacity of an acid to react with a base,measured by the number of hydrogen atoms that can be replaced by a base
- measure of the amount of matter in an object
29 Clues: the ability to rust do to oxygen • the ability to produce electricity • the external features of a substance • the amount of space an object occupies • the characteristic smell of a substance • the amount of matter in a defined volume • the ability to be hammered or pressed down • the ability to be drawn out into thin wires • measure of the amount of matter in an object • ...
Chapter 20: Chemical Texture Services 2019-04-25
Across
- middle layer of the hair
- once in the cortex the waving solution breaks the disulfide bones though a chemical reaction called ___________
- long, coiled peptide chains
- AKA end bonds, chemical bonds that join amino acids together
- ___________________ waving solutions soften and swell the hair and then open the cuticle; permitting the solution to penetrate into the cortex.
- requires a highly alkaline chemical solution
- measures the acidity and alkalinity of a substance
- salt, and hydrogen bonds that cross-link polypeptide chains together
- loosening overly curly hair
- long chains of amino acids joined together by peptide bonds
- highest on pH scale
- the cortex is made of up millions of polypeptide chains ______________ by three types of side bonds: disulfide, salt, and hydrogen
- lowest on pH scale
Down
- are weak physical side bonds that are also the result of an attraction between opposite electrical charges.
- innermost layer of the hair often called pith or core
- are strong chemical side bonds formed when the sulfur atoms in two adjacent protein chains are joined together.
- two-step process whereby the hair undergoes a physical change caused by wrapping the hair on perm rods; then undergoes a chemical change caused by the application of permanent waving solution or neutralizer.
- hair services that cause a chemical change within the hairs natural wave and curl pattern
- the reduction reaction
- the size of the rod __________ the size of the curl.
- the _________________ of the curl are determined by the shape and type of rod and the wrapping method used.
- removing curl or waves
- relatively weak physical side bonds that are the result of an attraction between negative and positive electrical charges (ionic bonds)
- they are easily broken by water or heat and the re-form as the hair ________________.
- compounds made up of carbon, oxygen, hydrogen, nitrogen, and sulfer
- tough exterior layer of the hair
- keratin proteins are made of long chains of amino acids linked together ______________ like beads.
27 Clues: lowest on pH scale • highest on pH scale • the reduction reaction • removing curl or waves • middle layer of the hair • long, coiled peptide chains • loosening overly curly hair • tough exterior layer of the hair • requires a highly alkaline chemical solution • measures the acidity and alkalinity of a substance • the size of the rod __________ the size of the curl. • ...
Chemistry Puzzle 2020-12-18
Across
- Completely filled valence shell
- A complex reactant breaks down into simpler products
- Non-Brittle
- More than 2 elements
- Electrical conductivity of Covalent bonds
- Bond that shares electrons
- Bond that has the characteristics of Brittle
- Reaction often with a change of color
- Group 17
- 2 Elements
- To mix a dissolvent into a solvent completely
Down
- To have a liquid turn into gas form
- Liquid with unseeable molecules
- Bond with a sea of electrons
- Two or more reactants make a product
- Reaction often associated with melting
- The type of atoms that make up a covalent bond
- Liquid with large seeable molecules
- Brittle
- Melting point of Covalent bonds
20 Clues: Brittle • Group 17 • 2 Elements • Non-Brittle • More than 2 elements • Bond that shares electrons • Bond with a sea of electrons • Completely filled valence shell • Liquid with unseeable molecules • Melting point of Covalent bonds • To have a liquid turn into gas form • Liquid with large seeable molecules • Two or more reactants make a product • Reaction often with a change of color • ...
Metabolism unit vocab 2022-02-18
Across
- corn***** is a food
- this supports your answer
- a possibly harmful reaction
- a molecule your body use of energy
- a body system that leads to cells
- your body breaths this
- a chemical reaction
- this is in fish
- the bodys use of molecules
- mrstrisko needs coffee to have this
- what you think is correct
Down
- a claim supported by evidence
- a group of atoms
- the way your body breaks food down
- covid is a ---------- disease
- a molecule that made of 2 different atoms
- this makes you gain and repair muscles
- a way things work together
- the reason why
19 Clues: the reason why • this is in fish • a group of atoms • corn***** is a food • a chemical reaction • your body breaths this • this supports your answer • what you think is correct • a way things work together • the bodys use of molecules • a possibly harmful reaction • a claim supported by evidence • covid is a ---------- disease • a body system that leads to cells • ...
Chemistry 2022-01-27
Across
- process in which solid particles in a liquid or gaseous fluid are removed by the use of a filter medium
- the successive occupation of the orbitals in a valence shell of the atom
- PV=nRT
- observed or measured without changing the identity of the substance
- pressure of a given mass of gas varies directly with the absolute temperature of the gas when the volume is kept constant
- no shape
- characteristic of a particular substance that can be observed in a chemical reaction.
- one chemical substance is transformed into one or more different substances
- amount of mass and space taken up
- substance form of matter that has a constant composition and properties that are constant throughout the sample
- gas law pv=nrt
- column in the periodic table of the chemical elements
- a substance diffused or suspended in the air
- particle of matter that uniquely defines a chemical element
- depends on the amount of matter in a sample
- make up Group 18
- any substance that cannot be decomposed into simpler substances by ordinary chemical processes
- composition is uniform throughout the mixture
- composition is not uniform throughout the mixture
- v1/t1=v2/t2
- every chemical compound contains fixed and constant proportions of its constituent elements.
- has a definite shape
- a coherent, typically large body of matter with no definite shape.
- p1(v1)/t1=p2(v2)/t2
Down
- v1/n1=v2/n2
- the action of purifying a liquid by a process of heating and cooling.
- of a liquid, solution, or gas to a crystal
- fourth state of matter
- transition of a substance directly from a solid-state to a gas state
- two elements form more than one compound, then the ratios of the masses of the second element which combine with a fixed mass of the first element will always be ratios of small whole numbers
- is a tabular display of the chemical elements
- P{1}V{1}=P{2}V{2}
- of matter liquid gas solid
- any of a class of substances characterized by high electrical and thermal conductivity as well as by malleability, ductility, and high reflectivity of light
- depends only on the type of matter in a sample and not on the amount.
- separation of a mixture by passing it in solution or suspension or as a vapor
- takes shape of container
- a change in properties such as texture, shape, or state
- the substances produced at the end of the reaction
- mass is neither created nor destroyed
- change of a substance from one physical form to another
- divide the mass of the element in 1 mole of the compound
- combining 2 chemical substances
- an element whose properties are intermediate between those of metals and solid nonmetals or semiconductors.
- substance that takes part in and undergoes change during a reaction.
- a class of chemical elements whose chemical and physical properties contrast with those of metals
- substance consisting of atoms or ions of two or more different elements in definite proportions joined by chemical bonds into a molecule
47 Clues: PV=nRT • no shape • v1/n1=v2/n2 • v1/t1=v2/t2 • gas law pv=nrt • make up Group 18 • P{1}V{1}=P{2}V{2} • p1(v1)/t1=p2(v2)/t2 • has a definite shape • fourth state of matter • takes shape of container • of matter liquid gas solid • combining 2 chemical substances • amount of mass and space taken up • mass is neither created nor destroyed • of a liquid, solution, or gas to a crystal • ...
2 - Matter and Energy 2025-03-05
Across
- The process by which cells obtain energy from an energy source without using oxygen.
- A macromolecule containing hydrogen, oxygen, nitrogen, carbon, and phosphorus (includes DNA and RNA); used for storing genetic genetic information.
- A process that requires oxygen.
- An organism that can produce its own food from abiotic molecules and energy from the sun; producer.
- The chemical formula for carbon dioxide.
- The pores on the leaf where O2 exits and CO2 enters.
- Two or more atoms bonded together.
- The chemical formula for the simple sugar glucose
- A macromolecule that contains carbon, hydrogen, and oxygen. Provides short-term energy (includes starches like potatoes and pasta).
- The chemical formula for the oxygen gas we breathe
- The organelle found in cells of plants and some other organisms that captures the energy from sunlight and converts it into chemical energy.
- A simple sugar made in the process of photosynthesis which the plants use for energy in Cellular Respiration.
- The substance that controls the quantity of product that can form in a chemical reaction.
- The term used to describe the rate at which plants and other photosynthetic organisms produce organic compounds in an area.
- A molecule formed as a result of a chemical reaction (outputs).
- The compound used by cells to store and release energy; made during cellular respiration.
- A rigid layer of nonliving material that surrounds the cells of plants and some other organisms.
- A process that does not require oxygen.
- The type of energy holding atoms together.
Down
- The process by which some organisms, such as certain bacteria, use chemical energy to produce carbohydrates.
- A very large organic molecule composed of many smaller molecules. Carbohydrates, Lipids, Proteins & Nucleic Acids.
- The process in which our cells break down food and turn it into energy that cells need to perform their life functions. Oxygen is needed for this process.
- A green pigment located in the membrane within the chloroplasts of plants and algae and in the membranes of certain prokaryotes.
- Processes by which organisms maintain a relatively stable internal environment.
- The process that converts light energy into chemical energy that is stored in glucose or other organic compounds; occurs in plants, algae, and certain prokaryotes.
- A large, fluid-filled organelle that stores not only water but also enzymes, metabolic wastes, and other materials.
- An organelle found in large numbers in most cells, in which the processes of cellular respiration and energy production occur.
- The most basic unit of matter.
- Anything that has mass and takes up space.
- The chemical formula for water.
- Elements or compounds that enter into a chemical reaction (inputs).
- A protein catalyst that speeds up chemical reactions in the organism.
- An organism whose cell(s) contain a nucleus and membrane bound organelles.
- Found in the bonds that hold molecules together and necessary for all life processes to occur in organisms.
- A macromolecule, built from amino acids, that contains carbon, hydrogen, oxygen, and nitrogen; needed by the body for growth and repair; gives you your traits.
- A macromolecule made mostly from carbon and hydrogen atoms; provides long-term energy (includes fats, oils, and waxes).
- An organism that obtains energy from feeding off of other organisms; Consumer.
- A unicellular organism that lacks a nucleus and membrane bound organelles
38 Clues: The most basic unit of matter. • A process that requires oxygen. • The chemical formula for water. • Two or more atoms bonded together. • A process that does not require oxygen. • The chemical formula for carbon dioxide. • Anything that has mass and takes up space. • The type of energy holding atoms together. • The chemical formula for the simple sugar glucose • ...
ACIDS ARE COOL! 2017-04-10
Across
- The gas produced from a metal and acid reaction
- The chemical name for baking soda
- The name for the test for hydrogen gas
- Turns blue litmus red
- An acid and a base produce a _______
- Hydrogen burning produces _______
- Hydrogen gas is ________ when exposed to a flame
Down
- This acid makes chloride salts
- The reaction between an acid and a base is known as _________
- Nitric acid produces __________ salts
- The gas produced from a metal carbonate and acid reaction
- Sulfuric acid produces ________ salts
- Bases turn red litmus ______
13 Clues: Turns blue litmus red • Bases turn red litmus ______ • This acid makes chloride salts • The chemical name for baking soda • Hydrogen burning produces _______ • An acid and a base produce a _______ • Nitric acid produces __________ salts • Sulfuric acid produces ________ salts • The name for the test for hydrogen gas • The gas produced from a metal and acid reaction • ...
Chapter 4 2023-09-22
Across
- - protein that speeds up a reactoin
- - larger molecules that are broken up
- respiration- a reaction that allows cells to use glucose
- synthesis- joining smaller molecules by removing water molecules
- reactions- are reactions that do not require energy
- - small molecules built up into larger ones
- - reactant from an enzyme reaction
- reactions- are reactions that do require energy
Down
- site- combines parts of molecules
- - a collection of all chemical reactions
- - reaction that breaks down carbohydrates, protein, etc
- - the loss of hydrogen atoms
- - the energy that cells use
13 Clues: - the loss of hydrogen atoms • site- combines parts of molecules • - the energy that cells use • - reactant from an enzyme reaction • - larger molecules that are broken up • - protein that speeds up a reactoin • - a collection of all chemical reactions • - small molecules built up into larger ones • reactions- are reactions that do require energy • ...
chapter 12 vocab 2023-10-24
Across
- bodys negative reaction to a substance
- condition where the body cannot properly control the level of sugar in the blood
- lack of proper nutrients in the body
- the substance that causes an allergic reaction
- intake of more food than needed
- chemical substances in food
- most severe allergic reaction
Down
- not eating enough
- a protien found in wheat and other grains
- food guidance system
- science of food and how the body uses the foods taken in
- the hormone that regulates blood sugar level
- the fear of something new
13 Clues: not eating enough • food guidance system • the fear of something new • chemical substances in food • most severe allergic reaction • intake of more food than needed • lack of proper nutrients in the body • bodys negative reaction to a substance • a protien found in wheat and other grains • the hormone that regulates blood sugar level • ...
Energy and Nutrition 2023-11-03
Across
- small molocule amino acids, sugars, and fatty acids
- grow and repair
- process by which food, in the form of sugar (glucose), is transformed into energy within cells
- a macromolecule that is always in a on to two also used for energy ratio
- energy
- right side of the reaction
Down
- left side of the reaction
- energy storage, fatty acid
- large molocule such as carbon, oxygen, and hydrogen
- 1 sugar
- 2 sugars
- chemical reactions in the cells body that changes food into energy
- helps speed up reaction (ends in ace)
13 Clues: energy • 1 sugar • 2 sugars • grow and repair • left side of the reaction • energy storage, fatty acid • right side of the reaction • helps speed up reaction (ends in ace) • large molocule such as carbon, oxygen, and hydrogen • small molocule amino acids, sugars, and fatty acids • chemical reactions in the cells body that changes food into energy • ...
Energy and Nutrition 2023-11-03
Across
- small molocule amino acids, sugars, and fatty acids
- grow and repair
- process by which food, in the form of sugar (glucose), is transformed into energy within cells
- a macromolecule that is always in a on to two also used for energy ratio
- energy
- right side of the reaction
Down
- left side of the reaction
- energy storage, fatty acid
- large molocule such as carbon, oxygen, and hydrogen
- 1 sugar
- 2 sugars
- chemical reactions in the cells body that changes food into energy
- helps speed up reaction (ends in ace)
13 Clues: energy • 1 sugar • 2 sugars • grow and repair • left side of the reaction • energy storage, fatty acid • right side of the reaction • helps speed up reaction (ends in ace) • large molocule such as carbon, oxygen, and hydrogen • small molocule amino acids, sugars, and fatty acids • chemical reactions in the cells body that changes food into energy • ...
Trinity Martinez Chapter 13 2016-10-12
Across
- A substance that undergoes a chemical change.
- chemical that donates a hydrogen atom
- Must be added to break bonds.
- energy is transferred to reactants from surroundings (usually cool)
- A substance that is the result of the chemical change.
- combining two elements to form a larger compound.
- when you add hydrogen ions.
- one element of the compound leaves and goes to a new compound
Down
- energy transfers from reactants to surroundings.
- separates a compound; broken down
- two elements of a compound change compounds.
- chemical that accepts a hydrogen atom
- the PH level of water.
- The energy stored in molecules that can be released during a reaction.
- product side is always oxide.
15 Clues: the PH level of water. • when you add hydrogen ions. • Must be added to break bonds. • product side is always oxide. • separates a compound; broken down • chemical that donates a hydrogen atom • chemical that accepts a hydrogen atom • two elements of a compound change compounds. • A substance that undergoes a chemical change. • ...
Body Systems Vocabulary 2023-07-17
15 Clues: nerves • puberty • receivor • burning energy • protein creator • enzyme operation • protein function • input of a nerve • Neurons movement • link in the brain • biological balance • nerve impulse output • concentration levels • powerhouse of the cell • chemical reaction speed boost
b33 2026-01-04
15 Clues: Enzyme helper • Enzyme enabling • Enzyme blocking • Synapse chemical • Neural messenger • Neuron insulation • Selective binding • Protein shape loss • Variant enzyme form • Maximum reaction rate • Mood neurotransmitter • Organic enzyme helper • Enzyme regulation site • Reward neurotransmitter • Self-regulating mechanism
Energy Crossword 2025-03-18
Across
- possessed by an object due to its motion or due to its position
- Ex of electrical energy
- energy an object possesses because of it's position
- what we measure KE and PE
- another word for heat
- blank energy caused by motion
- ability to work
- Ex: battery
- EX: a rubber band being stretched
- thermal chemical reaction
- energy released during blank fusion
Down
- h in potential energy formula
- blank=mgh
- Ex: ultraviolet rays
- photograph of bones
- movement of electric charge
- transfer of energy
- energy cannot be created or destroyed
- energy that travels in waves
19 Clues: blank=mgh • Ex: battery • ability to work • transfer of energy • photograph of bones • Ex: ultraviolet rays • another word for heat • Ex of electrical energy • what we measure KE and PE • thermal chemical reaction • movement of electric charge • energy that travels in waves • h in potential energy formula • blank energy caused by motion • EX: a rubber band being stretched • ...
8th Grade Science 2023-12-06
Across
- Speed=Distance/Time
- Straight line going up on a distance vs. time graph.
- In the nucleus with a neutral charge.
- Straight horizontal line on a distance vs. time graph.
- The force applied in one direction is greater than the force applied in the opposite direction.
- A curved line on a distance vs. time graph.
- How fast something is going.
- An object in motion remains in motion unless acted on by an unbalanced force.
- Two or more molecules producing a new product(s).
- On the rings of an atom.
Down
- Symbolic representation of chemical reaction.
- For every action there is an equal and opposite reaction.
- The rate of change of velocity.
- Positive charge in the nucleus.
- Net force is equal to mass times acceleration.
- Those that are opposite in direction and equal in size.
- Are shiny and malleable.
- On the last ring of an atom.
- On the staircase of the Periodic Table.
- Numbers that come after a symbol in a chemical equation.
20 Clues: Speed=Distance/Time • Are shiny and malleable. • On the rings of an atom. • On the last ring of an atom. • How fast something is going. • The rate of change of velocity. • Positive charge in the nucleus. • In the nucleus with a neutral charge. • On the staircase of the Periodic Table. • A curved line on a distance vs. time graph. • Symbolic representation of chemical reaction. • ...
science vocab 2023-12-07
Across
- to disintegrate or break up
- something made of multiple chemicals that are not bonded together
- the law that states matter cannot be created or destroyed
- a chemical reaction that releases energy
Down
- a measure of how much a liquid flows
- a chemical reaction that absorbs energy
- the fundamental building blocks of all chemicals
7 Clues: to disintegrate or break up • a measure of how much a liquid flows • a chemical reaction that absorbs energy • a chemical reaction that releases energy • the fundamental building blocks of all chemicals • the law that states matter cannot be created or destroyed • something made of multiple chemicals that are not bonded together
Riley Cairl Ch. 13 Crossword 2021-11-15
Across
- How quickly the concentration of reactants decreases and how quickly the concentration of products increases.
- Also known as bond energy
- A+B->AB is this type of reaction
- AB->A+B is this type of reaction
Down
- A+BC->AC+B is this type of reaction
- AB+CD->AD+CB is this type of reaction
- In order for a chemical equation to be correct it must be _________
- In this reaction there is a net absorption of energy
- In this reaction there is a net release of energy
- The law of ________ states no atoms are gained nor lost in any reaction
10 Clues: Also known as bond energy • A+B->AB is this type of reaction • AB->A+B is this type of reaction • A+BC->AC+B is this type of reaction • AB+CD->AD+CB is this type of reaction • In this reaction there is a net release of energy • In this reaction there is a net absorption of energy • In order for a chemical equation to be correct it must be _________ • ...
Physical Science Vocab 2024-05-13
Across
- Forces on an object that cause change in the motion of the object
- A negatively charged subatomic particle of the electron cloud;
- The transfer of heat in a fluid (liquid or gas)
- Measure of the average kinetic energy of particles of matter in an object
- A form of charge, designated negative, positive, or neutral (without charge) that is found on the subatomic particles that make up all atoms
- A substance formed during a chemical reaction
- Two opposite electrical charges do this
- Chemical formulas and symbols written to represent a reaction
- A force between two surfaces rubbing against each other
- The change from a gas to a liquid phase
- The transfer of heat energy between objects that are touching
- The transfer of energy through matter or space as waves
- The sum of all forces acting on an object
- the measurement of distance traveled over time
- Two alike electrical charges do this to each other
- The height of a wave
- The substances present before a chemical reaction
- The amount of space an object takes up
- The change from liquid phase to gas phase
- The bending of light when it passes through a liquid.
- Forces of an object that do not change the motion of the object
Down
- The mass of all reactants must be equal to the mass of all products
- The energy of motion
- The subatomic particle that is without charge
- The process by which one or more substances change to produce one or more different substances
- A reaction that gets cold because heat energy is absorbed from the surroundings
- Change of an object's speed or direction
- Light bounces back off of a surface.
- Electromagnetic waves with longer wavelengths than visible light
- When an object takes in, or holds Attractlight.
- The number of times a wave passes by a fixed point
- The measurement of the proportion of a substances mass and volume. D = m/v
- The amount of matter in an object
- Stored energy
- Provide us with visible light spectrum, the colors we see
- Anything that has mass and volume
- The smallest unit of an element that has all of the properties of that element
- The tendency of an object to remain still or continue moving unless an unbalanced force is applied
- A reaction that gets hot because heat energy is released
- A substance that cannot be separated into simpler substances by physical or chemical means
- The distance between two corresponding points on adjacent waves
- A push or a pull
- The positively charged subatomic particle
43 Clues: Stored energy • A push or a pull • The energy of motion • The height of a wave • The amount of matter in an object • Anything that has mass and volume • Light bounces back off of a surface. • The amount of space an object takes up • Two opposite electrical charges do this • The change from a gas to a liquid phase • Change of an object's speed or direction • ...
unit 2 week 2 vocabulay 2021-09-17
8 Clues: a chemical equation • the number of atoms • random kinetic energy • the quantity of matter • matter is neither lost or gained • the rate at which a substance undergoes • the number placed in front of a compound • of reaction the speed a chemical reaction occurs
Chemical Reactions 2023-03-15
Across
- the temperature at which a substance changes from the solid phase to the liquid phase
- a group of atoms joined together in a particular way
- something that is made of all the same atoms or groups of atoms
- to change the order or position of something
- an ending substance that is made during a chemical reaction
- a process in which atoms rearrange to form new substances
- the temperature at which a substance changes from the liquid phase to the gas phase
Down
- letters and numbers showing the types and number of atoms that repeat to make up a substance
- the tiny pieces that all matter—all the stuff in the world—is made of
- a starting substance that is part of a chemical reaction
- something that can be observed about a substance, such as color, smell, or boiling point
- able to cause damage
- the relative size of things
13 Clues: able to cause damage • the relative size of things • to change the order or position of something • a group of atoms joined together in a particular way • a starting substance that is part of a chemical reaction • a process in which atoms rearrange to form new substances • an ending substance that is made during a chemical reaction • ...
Photosynthesis Review 2021-10-18
Across
- "self feeder"; organism that makes its own food via photosynthesis
- a substance that is formed as the result of a chemical reaction
- gas that is released during photosynthesis
- part of plant in which photosynthesis takes place; think of as solar panels
- green pigment; absorbs sunlight
- part of plant in which water is absorbed
- type of biomolecule; sugars are examples
- energy used during photosynthesis
- chemical formula for water
- a substance that takes part in and undergoes change during a reaction
Down
- process that makes glucose using sunlight
- gas that is taken in by plants during photosynthesis
- "different feeder"; organism that does not make its own food EXAMPLE: animals
- sugar that is made during photosynthesis
- organelle found in plants and algae; contains green pigment
15 Clues: chemical formula for water • green pigment; absorbs sunlight • energy used during photosynthesis • sugar that is made during photosynthesis • part of plant in which water is absorbed • type of biomolecule; sugars are examples • process that makes glucose using sunlight • gas that is released during photosynthesis • gas that is taken in by plants during photosynthesis • ...
UNIT 2: MATERIALS: PROPERTIES AND CHANGES 2022-09-13
Across
- A substance that is dissolved.
- Something about a substance that allows us to tell it apart from other substances
- The _______________ of dissolving increases if we heat a solution
- A change where a substance can be changed back to the way it was before.
- When heat is transferred from one object to another.
- Change that results to formation of new substance.
- A substance that dissolves other substances.
- The substances that react together in a chemical reaction.
- A change in the the object that cannot be reversed.
Down
- Objects that conduct electricity.
- Objects that conduct heat.
- The temperature at which liquids change to gas
- The substances that react together in a chemical reaction.
- The temperature at which solids change liquid
- When liquid turns to gas without boiling.
- The way we know that a chemical reaction has happened is called____.
- The temperature at which particles throughout a liquid become a gas.
17 Clues: Objects that conduct heat. • A substance that is dissolved. • Objects that conduct electricity. • When liquid turns to gas without boiling. • A substance that dissolves other substances. • The temperature at which solids change liquid • The temperature at which liquids change to gas • Change that results to formation of new substance. • ...
Key Concepts in Acid-Base Chemistry and Reactions 2025-03-07
Across
- Gain of electrons or decrease in oxidation state.
- Process of forming ions from molecules.
- Sodium (Na+) Nitrate (NO3-) Ammonium (NH4+) Potassium (K+)
- Device used to dispense precise volumes of liquid
- A measurement of how much solute exists within a certain volume of solvent
- Substance being analyzed in a chemical reaction.
- a split in consciousness, which allows some thoughts and behaviors to occur simultaneously with others
- Inverse operation of logarithm, used in calculations.
- Liquid above a settled precipitate.
Down
- Loss of electrons or increase in oxidation state.
- Technique to determine concentration of an unknown solution.
- Maximum amount of solute that dissolves in solvent.
- Solution of known concentration in titration
- Solid formed from a chemical reaction in solution.
- the mathematical function logarithm, specifically used to calculate the pH of a solution
15 Clues: Liquid above a settled precipitate. • Process of forming ions from molecules. • Solution of known concentration in titration • Substance being analyzed in a chemical reaction. • Gain of electrons or decrease in oxidation state. • Loss of electrons or increase in oxidation state. • Device used to dispense precise volumes of liquid • ...
SCIENCE HOLIDAYS HOMEWORK CROSSWORD PUZZLE 2025-05-31
Across
- Reaction where an acid and a base react to form salt and water.
- Device used to protect electric circuits from overloading.
- The chemical used to test the presence of starch.
- The basic functional unit of the kidney.
- The rate at which energy is transferred or converted.
- Type of bonding where electrons are shared.
- process of releasing energy from glucose from cells.
- The process of gaining oxygen or losing hydrogen.
Down
- Mirror that always forms virtual , erect , and diminished images.
- The energy possessed by a body due to its motion.
- Hormone that regulates blood sugar level.
- Compounds made of carbon and hydrogen only.
- Tiny pores in leaves for gas exchange.
- A substance that speeds up the chemical reaction.
- Bending of light at the interface of two media.
15 Clues: Tiny pores in leaves for gas exchange. • The basic functional unit of the kidney. • Hormone that regulates blood sugar level. • Compounds made of carbon and hydrogen only. • Type of bonding where electrons are shared. • Bending of light at the interface of two media. • The energy possessed by a body due to its motion. • The chemical used to test the presence of starch. • ...
Redox Chemistry 2021-08-23
Across
- Shows how a reaction gains or loses electrons
- Gain of electrons
- Loss of electrons
- Reduction and oxidation
- When a reaction releases heat
Down
- When an electron relocates from an atom or molecule to another chemical entity
- A sub-atomic particle with a negative charge
- When a reaction absorbs heat
- A substance that has the ability to oxidise other substances
- Reaction between iron(iii)oxide and aluminium
10 Clues: Gain of electrons • Loss of electrons • Reduction and oxidation • When a reaction absorbs heat • When a reaction releases heat • A sub-atomic particle with a negative charge • Shows how a reaction gains or loses electrons • Reaction between iron(iii)oxide and aluminium • A substance that has the ability to oxidise other substances • ...
Logan Henricks chapter 13 2019-03-07
Across
- reaction where there is a net absorbtion of energy
- energy is also known as bond energy
- AB+oxygen-oxides of A&B
Down
- reaction where there is a net release of energy
- displacement AB+C-AC+B
- AB-A+B
- when a reaction and it's reverse act at the same rate
- a substance that lowers the activation energy of a chemical reaction
- displacement AB+CD-AD+CB
- C+O
10 Clues: C+O • AB-A+B • displacement AB+C-AC+B • AB+oxygen-oxides of A&B • displacement AB+CD-AD+CB • energy is also known as bond energy • reaction where there is a net release of energy • reaction where there is a net absorbtion of energy • when a reaction and it's reverse act at the same rate • a substance that lowers the activation energy of a chemical reaction
6B Vocab-Kaitlyn Wilhelm 2017-03-20
Across
- elements that have some properties of metals and non metals and are found along the zig-zag on the periodic table.
- and interaction that holds atoms together.
- a chemical reaction that requires an input of energy and usually feels cold when it absorbs heat in the reaction.
- vertical column of elements on the periodic table that have similar physical and chemical properties.
Down
- states that matter is neither created nor destroyed in ordinary chemical and physical changes.
- a chemical reaction in which heat is released and usually feels warm when the heat is released from the reaction.
- horizontal row of elements on the periodic table that have the same number of electron shells.
- electrons on the outermost energy level of an atom that determine the reactivity of the atom.
8 Clues: and interaction that holds atoms together. • electrons on the outermost energy level of an atom that determine the reactivity of the atom. • states that matter is neither created nor destroyed in ordinary chemical and physical changes. • horizontal row of elements on the periodic table that have the same number of electron shells. • ...
Unit B 2014-11-03
Across
- Horizontal row in the periodic table
- abbreviation of atomic mass unit
- Smallest atomic mass
- Organic catalyst
- Going from being a solid to a gas
- Another factor that can affect the rate of reaction
- Symbol on periodic table is O
- Positively charged subatomic matter
- Materials at the start of a reaction
- Means indivisible
- Common name of Dihydrogen monoxide
- Column or family on the periodic table
Down
- Negatively charged subatomic matter
- A metal that is a liquid at room temperature
- A factor that can affect the rate of reaction
- Going from being a gas to a liquid
- Ionic compound formula is NaOH
- Man who thought all matter is made up of air, fire, water, and earth
- Planet used to identify tin
- Group of most reactive non-metals
- Group of metals that are the most reactive
- Chemical reaction that releases heat
- A liquid at room temperature atomic mass of 80
- Material that cannot be broken down into any simpler substance
- Previously represented by the planet mars
- Planet used to identify lead
26 Clues: Organic catalyst • Means indivisible • Smallest atomic mass • Planet used to identify tin • Planet used to identify lead • Symbol on periodic table is O • Ionic compound formula is NaOH • abbreviation of atomic mass unit • Group of most reactive non-metals • Going from being a solid to a gas • Going from being a gas to a liquid • Common name of Dihydrogen monoxide • ...
Chemistry Study Guide 2016-02-10
Across
- group of elements chemically bonded
- metal gets protection
- stuff that comes out of science experiment
- in between properties of metal and non-metals
- outer most particles in the electron
- reaction with heat
- group of atoms in purest form
- odorless colorless gas
- # of protons expressed on each element square
- a substance with high destiny, can conduct electricity, and is shiny
- lower density not good heat conductor and not shiny
Down
- 2 elements chemically bonded form a ________
- after a chemical reaction the mass is the same as before the experiment
- neutral charge in the nucleus
- middle of atom, house of protons and nucleuses
- shortened version of element usual derived from Latin or Greek
- Russian creator of the periodic table
- positive charge in the nucleus
- a row on the periodic table
- Smallest particle in the universe
- the function that describes the wave like behavior of an electron
- weight of atom
- reaction with cold stuff
- Similar elements together on table
- Negative charge that circles around the neutron
- molecule that started reaction
26 Clues: weight of atom • reaction with heat • metal gets protection • odorless colorless gas • reaction with cold stuff • a row on the periodic table • neutral charge in the nucleus • group of atoms in purest form • positive charge in the nucleus • molecule that started reaction • Smallest particle in the universe • Similar elements together on table • group of elements chemically bonded • ...
CHAPTER 8; METABOLISM, RESPIRATION AND PHOTOSYNTHESIS 2024-01-23
Across
- Movement of ions across a selectively permeable membrane, down their electrochemical gradient
- a high energy molecule that functions as an immediate source of power for the cell.
- stacks of thylakoids
- Calvin's experiment on light independant reaction
- functions as the final electron acceptor in the mitochondrial electron transport chain.
- has double membrane
- ____ inhibitors bind with an active site so substrates cannot bind
- anabolic pathway that requires endergonic reactions to be coupled to the hydrolysis of ATP and the oxidation of reduced NADP
Down
- The process of activating a substance by means of radiant energy and especially light
- Lower activation energy of the chemical reaction
- act as an inhibitor in metabolic pathways
- describes a series of oxidation reactions that occur within mitochondrial matrix.
- How can the effect of competitive inhibitors be reduced? By reducing the concentration of ____
- pyruvate is _____ to form acetyl coA
- Overall aerobic reactions produces ___ CO2 and 36 ATP
- Splitting of water
- describes the breakdown of glucose anerobically into two pyruvate.
- the location for light dependant reaction
- FAD changing to FADH2
- location of light-dependent reaction
20 Clues: Splitting of water • has double membrane • stacks of thylakoids • FAD changing to FADH2 • pyruvate is _____ to form acetyl coA • location of light-dependent reaction • act as an inhibitor in metabolic pathways • the location for light dependant reaction • Lower activation energy of the chemical reaction • Calvin's experiment on light independant reaction • ...
Chem 1 Puzzle 2025 2025-06-07
Across
- A pure substance made of two or more elements chemically combined.
- A particle of matter that defines a chemical element.
- The process of using a balanced equation to calculate amounts of reactants or products.
- The measure of how much solute is dissolved in a given quantity of solvent.
Down
- A group of atoms bonded together, representing the smallest fundamental unit of a chemical compound.
- The loss of electrons in a chemical reaction.
- The gain of electrons in a chemical reaction.
- UNIT A shorthand way to show the ratio of ions in an ionic compound.
- MASS The amount of mass in one mole of a substance.
- COMPOSITION The percentage by mass of each element in a compound.
10 Clues: The loss of electrons in a chemical reaction. • The gain of electrons in a chemical reaction. • MASS The amount of mass in one mole of a substance. • A particle of matter that defines a chemical element. • COMPOSITION The percentage by mass of each element in a compound. • A pure substance made of two or more elements chemically combined. • ...
Science on the Main Stage Crossword 2025-10-24
Across
- a substance that only contains one type of atom
- a chemical change between two or more molecules
- Molecule(s) present at the end of a chemical reaction
- a mixture of two or more substances that remain as physically separate substances.
Down
- a substance made of chemically bonded atoms of more than one element
- a change only to the appearance of molecules,
- Molecule(s) present at the start of a chemical reaction
- a a mixture of two or more substances that appears to be a single, uniform medium, with no visible separation between its components
- the smallest unit of a chemical - everything that exists is made up of these tiny particles
- an objects ability to dissolve
10 Clues: an objects ability to dissolve • a change only to the appearance of molecules, • a substance that only contains one type of atom • a chemical change between two or more molecules • Molecule(s) present at the end of a chemical reaction • Molecule(s) present at the start of a chemical reaction • a substance made of chemically bonded atoms of more than one element • ...
Random 2024-01-28
Across
- Detective
- A fish from South America and Africa
- Needed to print
- Large marsupial
- the smallest fundamental unit of a chemical compound that can take part in a chemical reaction
- A popular store found only in the U.S.
- A morning staple
- Not talked about
- Quicken
Down
- Originally described opposition to the disestablishment of the Church of England
- Light _____
- A group of people making music together
- What is done in the Kitchen
- Often associated with owls
- Boo
- A tool used while sewing
- Italian automobile manufacturer
- Absolutely Amazing
- A showy or bizarrely shaped flower
19 Clues: Boo • Quicken • Detective • Light _____ • Needed to print • Large marsupial • A morning staple • Not talked about • Absolutely Amazing • A tool used while sewing • Often associated with owls • What is done in the Kitchen • Italian automobile manufacturer • A showy or bizarrely shaped flower • A fish from South America and Africa • A popular store found only in the U.S. • ...
Cellular Energy 2024-09-11
Across
- A monosaccharide
- The powerhouse of the cell; the power factory
- the process by which cells convert chemical energy
- A single, self contained living thing
- The primary molecule used by cells to store chemical energy for use in cellular processes
- An organism that obtains its energy from an abiotic source
- A gas produced by plants; organisms use it for respiration
- The ability to do work or produce heat
Down
- A process that produces lactic acid by the conversion of sugars into cellular energy
- The process by which autotrophs use light energy, carbon dioxide, and water to make glucose and oxygen
- A biological process that produces ethanol and carbon dioxide
- The starting substance in a chemical equation
- The ending substances of a chemical equation
- A gas found in Earth's atmosphere produced by animals during respiration
- Energy stored in chemical bonds; can be released in a chemical reaction
- Electromagnetic wave
- Anything that has mass and volume
17 Clues: A monosaccharide • Electromagnetic wave • Anything that has mass and volume • A single, self contained living thing • The ability to do work or produce heat • The ending substances of a chemical equation • The powerhouse of the cell; the power factory • The starting substance in a chemical equation • the process by which cells convert chemical energy • ...
Cellular Energy 2024-09-11
Across
- A monosaccharide
- The powerhouse of the cell; the power factory
- the process by which cells convert chemical energy
- A single, self contained living thing
- The primary molecule used by cells to store chemical energy for use in cellular processes
- An organism that obtains its energy from an abiotic source
- A gas produced by plants; organisms use it for respiration
- The ability to do work or produce heat
Down
- A process that produces lactic acid by the conversion of sugars into cellular energy
- The process by which autotrophs use light energy, carbon dioxide, and water to make glucose and oxygen
- A biological process that produces ethanol and carbon dioxide
- The starting substance in a chemical equation
- The ending substances of a chemical equation
- A gas found in Earth's atmosphere produced by animals during respiration
- Energy stored in chemical bonds; can be released in a chemical reaction
- Electromagnetic wave
- Anything that has mass and volume
17 Clues: A monosaccharide • Electromagnetic wave • Anything that has mass and volume • A single, self contained living thing • The ability to do work or produce heat • The ending substances of a chemical equation • The powerhouse of the cell; the power factory • The starting substance in a chemical equation • the process by which cells convert chemical energy • ...
topic 1-3 vocab 2013-12-08
Across
- a pH value of more than 7
- a mineral that the body requires in the amount of 100 mg/day or more in order to maintain health
- a chemical used to control weeds
- a chemical reaction in which oxygen combines with other elements to form new substances
- paper saturated with a chemical to show wether a substance is acidic or basic
- rain or snow containing acid compounds in the air
- a chemical that changes colour to indicate wether a substance is an acid or base
- having a pH value less than 7
- a chemical used to control holds and fungi
Down
- the process whereby chemicals accumulate in the tissues of organisms along the food chain
- a mixture of plant compounds used as a chemical indicator
- an organic nutrient that does not dissolve in water
- a chemical in food, used for energy, growth, body building, or cell repair
- a scaled that measures that acidity or alkalinity of a substance
- a molecule that helps enzymes function in the body
- and organic nutrient made of carbon, hydrogen, and oxygen
- an organic nutrient composed of a chain of amino acids
- a special protein molecule that regulates chemical reactions in living organisms
- the process of adding calcium carbonate to the environment
19 Clues: a pH value of more than 7 • having a pH value less than 7 • a chemical used to control weeds • a chemical used to control holds and fungi • rain or snow containing acid compounds in the air • a molecule that helps enzymes function in the body • an organic nutrient that does not dissolve in water • an organic nutrient composed of a chain of amino acids • ...
Lab 7: Vapor Pressure and Heat of Evaporation 2025-10-31
Across
- Atom with a positive or negative charge
- Substance formed from different elements
- Accepts hydrogen ions or releases hydroxide ions
- Donates hydrogen ions in solution
- Process that changes substances into new ones
- Date
- Lab partner (Z)
Down
- Two or more atoms bonded together
- Lab partner (I)
- Force that holds atoms together
- Smallest unit of an element
- Pure substance with one type of atom
- Time
- Speeds up a chemical reaction
14 Clues: Time • Date • Lab partner (I) • Lab partner (Z) • Smallest unit of an element • Speeds up a chemical reaction • Force that holds atoms together • Two or more atoms bonded together • Donates hydrogen ions in solution • Pure substance with one type of atom • Atom with a positive or negative charge • Substance formed from different elements • ...
Chapter 5, 6, and 7 Crossword Puzzle 2013-04-12
Across
- cells in your body that contain biological catalysts
- acid that wear away materials
- a solid that forms from solution during reaction
- compounds whose characteristic properties include the kinds of reactions they undergo
- compounds breaking into simpler products
- a change of form or appearance of a substance
- the minimum energy that is needed to start an reaction
- a compound that consists of positive and negative ions
- a range of values from 0 to 14
- a mixture that contains a solvent and solute
Down
- a mixture of a metal and another element
- a neutral group of atoms joined by covalent bonds
- covalent bond with unequally shared electrons
- substance that undergo changes in a chemical reaction
- the total making and breaking of bonds result in a net of release of energy
- a new substances formed by a reaction
- a solution that has a pH of 7
- a material that releases energy when it burns
- the study of matter and how it changes
- atom or atoms with an electric charge
20 Clues: acid that wear away materials • a solution that has a pH of 7 • a range of values from 0 to 14 • a new substances formed by a reaction • atom or atoms with an electric charge • the study of matter and how it changes • a mixture of a metal and another element • compounds breaking into simpler products • a mixture that contains a solvent and solute • ...
key terms 2021-11-30
Across
- / a chemical process that organisms use to get energy from food
- / when cellular machines read RNA
- / provides energy for organisms
- / a mistake in the replication process
- / when a cell makes a copy of DNA that has a few modifications and it’s one strand.
- / acid single strand of nucleic acid
- / chemical reactions when living organisms use stored energy
- / nucleic acid made of a chain of nucleotides
Down
- / when 2 copies of DNA have been created
- / pairs of nucleotides
- / chemical process for storing energy
- synthesis / a chemical reaction that forms a peptide bond
- / one of 4 prongs of tRNA are 3 unattached bases
- / 3 consecutive nucleotides
- / When ATP reacts with water
15 Clues: / pairs of nucleotides • / 3 consecutive nucleotides • / When ATP reacts with water • / provides energy for organisms • / when cellular machines read RNA • / acid single strand of nucleic acid • / chemical process for storing energy • / a mistake in the replication process • / when 2 copies of DNA have been created • / nucleic acid made of a chain of nucleotides • ...
Quarter 1 Vocabulary Review 2024-10-04
Across
- Elements that can conduct electricity
- State of matter where the particles are tightly packed
- Particle that makes up an atom and have a negative charge
- The amount of space an object or substance takes up
- If the pressure of a gas is held constant, increasing its temperature increases its volume
- Substance present at the start of a chemical reaction
- Occurs when particles at the surface of a liquid gain enough energy to escape into the air
- If the temperature of a gas is held constant, decreasing the volume will increase its pressure
- The process in which a gas changes directly to a solid
- State of matter where the particles are in close contact but can slip past each other
- Substance produced in the reaction
- State of matter where the particles can pull apart from each other and spread out
- The building blocks of matter
- Matter changes into a different substance with different properties
- The process in which a solid changes directly to a gas
- State of matter that can conduct electricity and respond to a magnetic field
- Type of reaction where the temperature of the products is usually lower than the temperature of the reactants
- The amount of matter in an object
- The force of gravity acting on an object
- Substance formed when two or more elements combined chemically
Down
- Type of reaction where energy, often in the form of heat, is released
- Type of reaction where one reactant breaks down into two or more products
- Law that states matter cannot be created or destroyed
- The standard way to represent a chemical reaction
- Combination of two or more substances
- Particle that makes up an atom and have no charge
- Simplest form of matter that cannot be separated into other substances
- Particle that makes up an atom and have a positive charge
- The arrangement of elements in order of their atomic numbers
- Type of reaction where two or more reactants combine to form a single product
- Has mass and volume
- The process in which water vapor or a gas changes to a liquid
- Occurs when particles of a solid absorb enough energy to overcome the force of attraction holding them together
33 Clues: Has mass and volume • The building blocks of matter • The amount of matter in an object • Substance produced in the reaction • Elements that can conduct electricity • Combination of two or more substances • The force of gravity acting on an object • The standard way to represent a chemical reaction • Particle that makes up an atom and have no charge • ...
Colour flame 2021-06-28
Across
- Not able to be undone or altered.
- The process of burning something.
- Act in response to something; respond in a particular way.
- properties A property (as colour, hardness, boiling point) of matter not involving in its manifestation a chemical change
- Physical substance in general, as distinct from mind and spirit; (in physics) that which occupies space and possesses rest mass, especially as distinct from energy.
- A group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
- A substance or object that is solid rather than liquid or fluid.
Down
- A stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids.
- change A change from one state (solid or liquid or gas) to another without a change in chemical composition
- properties A property or characteristic of a substance that is observed during a reaction in which the chemical composition or identity of the substance is changed.
- A substance made by mixing other substances together.
- change A usually irreversible chemical reaction involving the rearrangement of the atoms of one or more substances and a change in their chemical properties or composition, resulting in the formation of at least one new substance.
- The smallest particle of a chemical element that can exist.
13 Clues: Not able to be undone or altered. • The process of burning something. • A substance made by mixing other substances together. • Act in response to something; respond in a particular way. • The smallest particle of a chemical element that can exist. • A substance or object that is solid rather than liquid or fluid. • ...
Photosynthesis & Cellular Respiration 2019-10-09
Across
- A sugar made during photosynthesis
- A chemical reaction that uses oxygen to break down food molecules to get energy
- what the reactant changes into
- The gas released by plants
- Gas used by a plant to make sugar
- Opening in a leaf where gas exchange occurs
Down
- An organelle where photosynthesis occurs
- The green pigment molecule of plants
- An organelle where respiration and energy production occur
- Process using light, water, and carbon dioxide to make sugar
- substances that are changed in a chemical reaction
- Taken up from the roots of the plant for its Hydrogen atoms
- Type of energy formed during Cellular Respiration
- An organism that can capture energy from sunlight and use it to produce its own food
- provides energy for photosynthesis
15 Clues: The gas released by plants • what the reactant changes into • Gas used by a plant to make sugar • A sugar made during photosynthesis • provides energy for photosynthesis • The green pigment molecule of plants • An organelle where photosynthesis occurs • Opening in a leaf where gas exchange occurs • Type of energy formed during Cellular Respiration • ...
Thermal energy in chemical reaction 2025-02-13
10 Clues: adds molecules • group of atoms bonded • smallest unit of element • heat and energy is released • heat and energy is absorbed • one or more substances change • takes part in and undergoes change • the total amount of kinetic energy • relating to or produced by chemical • substance produced during chemical reaction
Carbon cycle crossword 2021-05-17
Across
- A producer with no predators.
- Cell structure in eukaryotic cells where aerobic respiration occurs.
- Cell structure in plant cells where photosynthesis occurs.
- Chemical reaction in plants that makes glucose.
Down
- Chemical reaction that happens in all living things which releases energy to power life processes.
- When dead organic material is broken down.
- Burning
- Levels in a food chain
- Involving oxygen
- How many carbons atoms are found in a molecule if glucose?
10 Clues: Burning • Involving oxygen • Levels in a food chain • A producer with no predators. • When dead organic material is broken down. • Chemical reaction in plants that makes glucose. • Cell structure in plant cells where photosynthesis occurs. • How many carbons atoms are found in a molecule if glucose? • Cell structure in eukaryotic cells where aerobic respiration occurs. • ...
Balanced Equations Crossword 2023-04-03
Across
- each unique atom in an equation
- A _ equation has an equal mass on each side
- a group of atoms chemically bonded together
- the result of a chemical reaction
- number denoting the amount of a single element
- any change in the arrangement of atoms
Down
- the input of a chemical equation
- number denoting the number of a molecule
- substance made of two or more elements in a fixed proportion
- Law of _ of Mass
10 Clues: Law of _ of Mass • each unique atom in an equation • the input of a chemical equation • the result of a chemical reaction • any change in the arrangement of atoms • number denoting the number of a molecule • A _ equation has an equal mass on each side • a group of atoms chemically bonded together • number denoting the amount of a single element • ...
Chemistry 2021-04-22
10 Clues: neutral • small element • center of atom • positive charge • electron,outer layer • number,proton location • can conduct electricity • reaction,chemical bonds • table, table of elements • formula,combination of symbols
Chapter 2 Crossword (2) 2014-11-18
Across
- is an electrically neutral group of two or more atoms held together by chemical bonds
- below 7 on ph scale
- chemical bond that involves the sharing of electron pairs between atom
- the number of protons found in the nucleus of an atom
- an atom or molecule in which the total number of electrons is not equal to the total number of protons
- the process of photosynthesis
- the central and most important part of an object
- solution in which the solvent is water
- highly selective catalysts
- A good example is the reaction between hydrogen and fluorine
Down
- a process that leads to the transformation of one set of chemical substances to another
- diatomic anion with chemical formula OH
- a body of matter
- chemical substance that neutralise acid and a base
- A solution in which the maximum amount of solvent has been dissolved
- something "manufactured" by an enzyme
- is the amount of work that a thermodynamic system can perform
- the separation of something from something else
- minimum amount of energy that is required to activate atoms or molecules
- a liquid mixture in which the minor component
- solid,gas,liquid
- pure chemical substance
22 Clues: a body of matter • solid,gas,liquid • below 7 on ph scale • pure chemical substance • highly selective catalysts • the process of photosynthesis • something "manufactured" by an enzyme • solution in which the solvent is water • diatomic anion with chemical formula OH • a liquid mixture in which the minor component • the separation of something from something else • ...
Chemistry Vocab 2021-10-07
Across
- a scale used to specify the acidity or basicity
- species formed from chemical reactions
- large group of organic compounds occurring in foods and living tissues
- a biological catalyst
- organic compounds that contain amino and carboxylate functional groups,
- a special type of homogeneous mixture composed of two or more substances
- a chemical bond that involves the sharing of electron pairs between atoms
- a substance that dissolves a solute
- a molecule or ion capable of either donating a proton
- The basic unit of matter
- a stable negatively charged component of an atom.
- a particle, atom or molecule with a net electrical charge.
- a substance or material consisting of very large molecules
- important class of macromolecules found in all cells and viruses.
- the minor component in a solution, dissolved in the solvent.
- a naturally occurring, extremely complex substance that consists of amino acid residues joined by peptide bonds.
- the positively charged central core of an atom
Down
- an underlying substance or layer.
- building blocks, of DNA and RNA
- atoms or small molecules that bond together to form more complex structures
- a substance that takes part in and undergoes change during a reaction.
- the tendency of dissimilar particles or surfaces to cling to one another
- a chemical substance composed of many identical molecules
- substances which react with acids
- molecules that contain hydrocarbons and make up the building blocks of the structure and function of living cells.
- a pure substance consisting only of atoms
- the process of increasing the rate of a chemical reaction
- molecules sticking together
- a type of chemical bonding that involves the electrostatic attraction between oppositely charged ions
- a group of atoms bonded together
- a material made up of two or more different Chemical substance/substances
- an aqueous solution consisting of a mixture of a weak acid and its conjugate base
32 Clues: a biological catalyst • The basic unit of matter • molecules sticking together • building blocks, of DNA and RNA • a group of atoms bonded together • an underlying substance or layer. • substances which react with acids • a substance that dissolves a solute • species formed from chemical reactions • a pure substance consisting only of atoms • ...
Nutrition 2024-01-11
Across
- Sugar and starch are this
- A reaction where bonds are broken
- This is the process by which large insoluble molecules are broken down into soluble molecules
- The biological catalyst which breaks down molecules
- A molecule that can be bonded to other identical molecules to form a polymer
- A polysaccharide used for storage in our bodies
- Lipids are made of fatty acids and this.
- This is a type of reaction where bonds are broken using water
- A polymer made of repeating subunits of sugar
- acid Proteins are made of these monomers
Down
- Fats are called this if they do not contain any double bonds.
- A protein contains C, H, O and ________
- This is a type of reaction when bonds are formed and water is produced
- A large molecule made up of repeating subunits known as monomers.
- The monomer of DNA
- A polysaccharide used in cell walls in plants
- A reaction where bonds are made
- A chemical which contains carbon is known as _________
18 Clues: The monomer of DNA • Sugar and starch are this • A reaction where bonds are made • A reaction where bonds are broken • A protein contains C, H, O and ________ • Lipids are made of fatty acids and this. • acid Proteins are made of these monomers • A polysaccharide used in cell walls in plants • A polymer made of repeating subunits of sugar • ...
Enzymes 2025-04-02
7 Clues: Enzymes cannot— • enzymes are made of... • What are the building blocks of proteins? • compounds produced by a chemical reaction. • Substances that speed up chemical reactions • the substance an enzyme catalyzes, changes. • compounds that enter into a chemical reaction
Chapter 6 and 7 vocab 2022-11-09
Across
- bond - a chemical bond in which two atoms share a pair of valence electrons
- - a substance that undergoes change in a chemical reaction
- bond - the force that holds atoms or ions together as a unit
- equation a representation of a chemical reaction in which the reactants and products are expressed as formulas
- bond - the attraction between a metal cation and the shared electrons that surround it
- - an atom or group of atoms that has a positive or negative charge
- - a mixture of two or more elements, at least one of which is a metal, that has the characteristic properties of a metal
Down
- - new substances formed as a result of a chemical reaction
- bond - the force that holds cations and anions together
- - a neutral group of atoms that are joined together by one or more covalent bonds
- dot diagram - a diagram of an atom, ion or molecule in which each dot represents a valence electron
- energy the energy stored in chemical bonds
- formula - notation that shows what elements a compound contains and the ratio of the atoms or ions of these elements in the compound
13 Clues: energy the energy stored in chemical bonds • bond - the force that holds cations and anions together • - new substances formed as a result of a chemical reaction • - a substance that undergoes change in a chemical reaction • bond - the force that holds atoms or ions together as a unit • - an atom or group of atoms that has a positive or negative charge • ...
12 Principles of Green Chemistry 2022-09-11
Across
- Calculating the Atoms' presence and Wastage in a Reaction
- I am common in the streets of Delhi(A friend of smoke)
- Getting the maximum result of a reaction
- Helps in having lesser _____ Chemical Syntheses
- Choose viable chemicals that do not contribute to land _____
- Mix safer _____ for a reaction
Down
- Preferably do reaction with safer _______
- Use enzymes and reduce _____
- is Always better than Cure
- Using renewable fuels and never ending _____ can change the Environment
- Be Careful and Know what to do in case of an _____
- Elimination of waste in the Manufacture of Chemicals and Allied Products
12 Clues: is Always better than Cure • Use enzymes and reduce _____ • Mix safer _____ for a reaction • Getting the maximum result of a reaction • Preferably do reaction with safer _______ • Helps in having lesser _____ Chemical Syntheses • Be Careful and Know what to do in case of an _____ • I am common in the streets of Delhi(A friend of smoke) • ...
Photosynthesis 2021-04-06
Across
- Process by which a green plant makes its own food
- Carries the glucose to the plant for its life processes
- Distributes water to the plant
- Substances that are needed for a chemical reaction to take place
- Lets gases in and out of the leaf
Down
- Leaf The factory where photosynthesis happens
- Pigment which absorbs the sun’s energy
- Substances that are formed in a chemical reaction
- Energy Comes from the Sun
- Organelle that contains chlorophyll
10 Clues: Energy Comes from the Sun • Distributes water to the plant • Lets gases in and out of the leaf • Organelle that contains chlorophyll • Pigment which absorbs the sun’s energy • Leaf The factory where photosynthesis happens • Process by which a green plant makes its own food • Substances that are formed in a chemical reaction • ...
Enzymes 1 2023-02-15
Across
- Enzymes are this type of catalyst.
- Amylase breaks down starch to form this substance.
- The energy required to start a chemical reaction.
- At the end of reactions, enzymes remain chemically __________.
- Enzymes provide an __________ pathway to start a chemical reaction.
Down
- Enzymes are made from __________.
- Enzymes have a __________ shape to its substrate.
- The hypothesis used to describe enzymatic reactions.
- Enzymes bind to this substance to form products.
- Depressions on the enzyme molecule.
10 Clues: Enzymes are made from __________. • Enzymes are this type of catalyst. • Depressions on the enzyme molecule. • Enzymes bind to this substance to form products. • Enzymes have a __________ shape to its substrate. • The energy required to start a chemical reaction. • Amylase breaks down starch to form this substance. • The hypothesis used to describe enzymatic reactions. • ...
EXON & ENDO 2025-02-13
Across
- RELEASES HEAT
- a process that involves rearrangement of the molecular
- HAS DEFINITE VOLUME & SHAPE
- A SUBSTANCE PRODUCED DURING A CHEMICAL REACTION
Down
- A PROPERTY OF A MOVING OBJECT OR PARTICAL
- A SUBSTANCE THAT TAKES PART OF IN & UNDERGOES CHANGE DURING A CHEMICAL REACTION
- ADDING OR REMOVING THERMAL ENERGY
- WHEN HEAT MOVES FROM A HOT STOVE TO YOUR HAND WHEN YOU TOUCH IT
- ABSORBS HEAT
- HAS DEFINITE VOLUME & SHAPE BUT NO DEFINITE SHAPE
10 Clues: ABSORBS HEAT • RELEASES HEAT • HAS DEFINITE VOLUME & SHAPE • ADDING OR REMOVING THERMAL ENERGY • A PROPERTY OF A MOVING OBJECT OR PARTICAL • A SUBSTANCE PRODUCED DURING A CHEMICAL REACTION • HAS DEFINITE VOLUME & SHAPE BUT NO DEFINITE SHAPE • a process that involves rearrangement of the molecular • WHEN HEAT MOVES FROM A HOT STOVE TO YOUR HAND WHEN YOU TOUCH IT • ...
Alkenes and Cycloalkanes 2025-09-19
Across
- An alkene with 3 carbon atoms
- same general formula and similar chemical properties
- something with a carbon to carbon double bond
- What bromine will do in the presence of an alkene
Down
- Chemical used to test for unsaturation
- A ring of carbons with 4 carbon atoms
- Name of reaction adding water to an alkene
- Name of reaction adding hydrogen
- Same molecular formula, different structure
- Means single bonds and can't add anything more in
10 Clues: An alkene with 3 carbon atoms • Name of reaction adding hydrogen • A ring of carbons with 4 carbon atoms • Chemical used to test for unsaturation • Name of reaction adding water to an alkene • Same molecular formula, different structure • something with a carbon to carbon double bond • Means single bonds and can't add anything more in • ...
Brandon Taylor 2022-03-08
Across
- numerical or constant quantity placed before and multiplying the variable in an algebraic expression
- is the relationship between the relative quantities of substances taking part in a reaction or forming a compound, typically a ratio of whole integers.
- mass of 1 mole of a substance
- is the percent ratio of actual yield to the theoretical yield.
- a measure of the quantity of moles of a product formed in relation to the reactant consumed, obtained in a chemical reaction, usually expressed as a percentage.
Down
- the empirical formula of a chemical compound is the simplest whole number ratio of atoms present in a compound
- is a conversion factor between compounds in a chemical reaction, that is derived from the coefficients of the compounds in a balanced equation.
- The limiting reactant or limiting reagent is a reactant in a chemical reaction that determines the amount of product that is formed.
- a formula giving the number of atoms of each of the elements present in one molecule of a specific compound
9 Clues: mass of 1 mole of a substance • is the percent ratio of actual yield to the theoretical yield. • numerical or constant quantity placed before and multiplying the variable in an algebraic expression • a formula giving the number of atoms of each of the elements present in one molecule of a specific compound • ...
Photosynthesis 2024-01-29
Across
- A green pigment in plants
- Is whats needed for a reaction to take place
- Carries the glucose to the plant
- Where CO2 comes in and O2 comes out
- A plants food
- Where Photosynthesis occurs
Down
- Carries water from the roots
- A chemical reaction occuring in plants
- Sunlight Energy
- What is created after the reaction takes place
10 Clues: A plants food • Sunlight Energy • A green pigment in plants • Where Photosynthesis occurs • Carries water from the roots • Carries the glucose to the plant • Where CO2 comes in and O2 comes out • A chemical reaction occuring in plants • Is whats needed for a reaction to take place • What is created after the reaction takes place
Chemistry Terms 2024-02-28
Across
- What you get when you add protons and neutrons together
- A chart that organizes elements
- Makes up everything
- Neutral charge, found in the nucleus in atoms
- The subatomic particle on the outermost shell of an atom
Down
- The number of protons
- The substances that are produced after a chemical reaction
- Negative charge, found on the outside of atoms
- The substances that go into a chemical reaction
- Positive charge, found in the nucleus in atoms
10 Clues: Makes up everything • The number of protons • A chart that organizes elements • Neutral charge, found in the nucleus in atoms • Negative charge, found on the outside of atoms • Positive charge, found in the nucleus in atoms • The substances that go into a chemical reaction • What you get when you add protons and neutrons together • ...
weathering crossword 2012-10-30
Across
- process in which weathered rock and soil are transported from one place to another
- earths surface changes by chemical reaction
- chemical reaction, that occurs when carbonic acid reacts with certain minerals
- the brocken down pieces of a rock
- when a new material is made by oxygen reacting with anotherf substance
Down
- heating and cooling of rockes causing them to flake or peel
- breaking down earths surface eathier by chemical or physical
- earths surface brocken down by phsical means
- repeated freezing and thawing causing the rock to break apart
- process of putting down material eroded away from another place
10 Clues: the brocken down pieces of a rock • earths surface changes by chemical reaction • earths surface brocken down by phsical means • heating and cooling of rockes causing them to flake or peel • breaking down earths surface eathier by chemical or physical • repeated freezing and thawing causing the rock to break apart • ...
7th Grade Science Lab 2024-02-26
Across
- the chemical reactions that breakdown nutrient molecules in living cells to release energy
- an organelle found in plant and algae cells where photosynthesis occurs
- Vascular tissue that carries water up from the root
- A staring material in a chemical reaction
- a simple sugar that is a source of energy
Down
- A substance produced in a chemical reaction
- Vascular tissue through which food moves in some plants
- Using light energy to convert water and Carbon Dioxide into Oxygen
- small openings on the underside of a leaf through which oxygen and carbon dioxide can move
- Green pigment in plants that absorb light energy
10 Clues: A staring material in a chemical reaction • a simple sugar that is a source of energy • A substance produced in a chemical reaction • Green pigment in plants that absorb light energy • Vascular tissue that carries water up from the root • Vascular tissue through which food moves in some plants • Using light energy to convert water and Carbon Dioxide into Oxygen • ...
Chemical Reactions 2023-03-15
Across
- the temperature at which a substance changes from the solid phase to the liquid phase
- a group of atoms joined together in a particular way
- something that is made of all the same atoms or groups of atoms
- to change the order or position of something
- an ending substance that is made during a chemical reaction
- a process in which atoms rearrange to form new substances
- the temperature at which a substance changes from the liquid phase to the gas phase
Down
- letters and numbers showing the types and number of atoms that repeat to make up a substance
- the tiny pieces that all matter—all the stuff in the world—is made of
- a starting substance that is part of a chemical reaction
- something that can be observed about a substance, such as color, smell, or boiling point
- able to cause damage
- the relative size of things
13 Clues: able to cause damage • the relative size of things • to change the order or position of something • a group of atoms joined together in a particular way • a starting substance that is part of a chemical reaction • a process in which atoms rearrange to form new substances • an ending substance that is made during a chemical reaction • ...
Trace wavess 3 2025-05-06
Across
- An subatomic particle with the same mass as an electron
- A neutron within an atomic nucleus transforms into a proton, an electron, and an antineutrino
- Two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons
- The starting materials in a reaction that undergo a chemical change to form a product
- One type of radioactive decay that a nucleus can undergo
Down
- An nuclear reaction where two or more smaller atomic nuclei combine to form a larger, more massive nucleus
- An substance that is formed as the result of a chemical reaction
- Type of nuclear decay where an unstable heavy nucleus splits into two or more smaller nuclei
- A stable isotope of hydrogen
- Has 2 protons and 2 neutrons
- An radioactive isotope of hydrogen with 2 neutrons
- A proton in the nucleus is converted into a neutron
- Another word for copy
13 Clues: Another word for copy • A stable isotope of hydrogen • Has 2 protons and 2 neutrons • An radioactive isotope of hydrogen with 2 neutrons • A proton in the nucleus is converted into a neutron • An subatomic particle with the same mass as an electron • One type of radioactive decay that a nucleus can undergo • ...
Vocabulary #2 2015-08-25
8 Clues: speeds up an reaction • how acidic base anything is • goes into an enzyme reaction • what comes out of a reaction • transforms a chemical into another • substances that go into a reaction • energy required to reach a reaction • proteins that act like a biological catalyst
Biochemistry Review 2023-01-13
Across
- pH below 7
- DNA and RNA are examples
- lipids are ______ energy storage
- reaction that breaks polymers using water
- monomer of proteins
- sugars end in _____
- macromolecule that speeds up chemical reactions
- pH above 7
Down
- Macromolecule that has 1:2:1 ratio of carbon, hydrogen, and oxygen
- monomer of carbohydrates
- monomer of nucleic acids
- type of lipid found in cell membrane
- reaction that forms polymers
- monomer of lipid is 3 _______ and a glycerol
- one element that all organic compounds contain
15 Clues: pH below 7 • pH above 7 • monomer of proteins • sugars end in _____ • monomer of carbohydrates • monomer of nucleic acids • DNA and RNA are examples • reaction that forms polymers • lipids are ______ energy storage • type of lipid found in cell membrane • reaction that breaks polymers using water • monomer of lipid is 3 _______ and a glycerol • ...
Electrochemistry 1 2025-09-05
Across
- The electrode where oxidation occurs.
- The substance in a redox reaction that loses electrons and gets oxidized
- A solid electrical conductor (like a metal) that provides a surface for the redox reactions to occur.
- A redox reaction (short for reduction-oxidation) is a chemical reaction that involves the transfer of electrons between atoms, ions, or molecules.
- A substance, usually a liquid, that contains ions and can conduct electricity.
- A device that either generates electrical energy from a spontaneous redox reaction or uses electrical energy to drive a non-spontaneous redox reaction.
- The substance in a redox reaction that gains electrons and gets reduced.
Down
- A number assigned to an element in a compound that represents its gain or loss of electron in a redox reaction.
- An electrochemical cell that uses electrical energy to drive a non-spontaneous redox reaction.
- A device used in an electrochemical cell to connect its two half-cells.
- An electrochemical cell that produces electrical energy from a spontaneous redox reaction.
- The process in which an atom, ion, or molecule loses electrons
- The process in which an atom, ion, or molecule gains electrons
- The electrode where reduction occurs.
14 Clues: The electrode where oxidation occurs. • The electrode where reduction occurs. • The process in which an atom, ion, or molecule loses electrons • The process in which an atom, ion, or molecule gains electrons • A device used in an electrochemical cell to connect its two half-cells. • The substance in a redox reaction that loses electrons and gets oxidized • ...
Chemistry Balance Crossword 2022-10-05
10 Clues: Stuff. • After a chemical equation. • Before a chemical equation. • Atoms lost/added in equation. • Signifies a chemical reaction. • The rearrangement of molecules. • No atoms lost/added in equation. • The building blocks of molecules • No atoms can be made or created. • Doesn't change when shape/form changes.
Energy and Chemical Reactions 2021-03-08
Across
- Needed for respiration to occur.
- A factor that affects respiration.
- Energy to get going.
- A reaction that gives off heat.
- Needed to react with glucose.
Down
- It is a biochemical process.
- A reaction that keeps heat in.
- Used to speedup a chemical reaction.
- Proteins that work at a particular temperature.
- The ability to do work.
10 Clues: Energy to get going. • The ability to do work. • It is a biochemical process. • Needed to react with glucose. • A reaction that keeps heat in. • A reaction that gives off heat. • Needed for respiration to occur. • A factor that affects respiration. • Used to speedup a chemical reaction. • Proteins that work at a particular temperature.
Skyler's Crossword 2017-06-08
Across
- name given to an electron in the outermost orbit that is easily moved
- solid passing into a gaseous state without melting
- unifying concept used to organize elements and their similarities
- has definite weight shape and volume
- the ability to do work to accomplish some change
- basic materials the body uses to construct and renew itself
Down
- scientific study of matter
- forces that hold atoms together in compounds
- fill intercellular spaces in the skin
- anything that occupies space
- charged atoms involved in a chemical reaction
- smallest complete unit of an element
- basic units of matter that cannot be broken down into simpler substances by any chemical reaction
- definite weight but indefinite volume and shape
- protons and neutrons packed tightly to form dense core at the center of the atom
15 Clues: scientific study of matter • anything that occupies space • has definite weight shape and volume • smallest complete unit of an element • fill intercellular spaces in the skin • forces that hold atoms together in compounds • charged atoms involved in a chemical reaction • definite weight but indefinite volume and shape • the ability to do work to accomplish some change • ...
Chapter 2 Chemical Basis of Life 2023-09-16
Across
- An intermolecular attraction between like molecules (water sticking to water)
- The measure of an acid or a base ranging from 0 (acid) to 14 (base). 7 = water
- The energy required to start a chemical reaction.
- A Macromolecule that is used for storage.
- A molecule with carbon. It can react with other monomers to make a polymer.
- A protein that increases the rate of a chemical reaction without being changed by the reaction
- A Macromolecule that carries energy into your body
Down
- Tendency of water to rise up a thin tube
- A weak acid or base that can react with strong acid or base to help prevent sharp, sudden changes in pH.
- A Macromolecule that is used to build your body.
- An intermolecular attraction between unlike molecules (water sticking to other things)
- A polymer with a high molecular mass
- a large compound formed from many monomers
13 Clues: A polymer with a high molecular mass • Tendency of water to rise up a thin tube • A Macromolecule that is used for storage. • a large compound formed from many monomers • A Macromolecule that is used to build your body. • The energy required to start a chemical reaction. • A Macromolecule that carries energy into your body • ...
Unit 5: Energy Changes 2019-08-02
Across
- A reaction that releases energy and may increase temperature
- The product of a combustion reaction
- A chemical reaction when a substance combines with oxygen
- The product of an oxidation reaction
Down
- A hydrocarbon that's burned to release energy
- A reaction that absorbs energy & can cause lower temperature
- A compound that only has carbon and hydrogen & can be used as a fuel
- A negatively charged compound formed when a base dissolves in water
- A compound that forms H+ ions in solution
- Hydrocarbon (fuel) + oxygen --> carbon dioxide + water
10 Clues: The product of a combustion reaction • The product of an oxidation reaction • A compound that forms H+ ions in solution • A hydrocarbon that's burned to release energy • Hydrocarbon (fuel) + oxygen --> carbon dioxide + water • A chemical reaction when a substance combines with oxygen • A reaction that releases energy and may increase temperature • ...
Glossary Crossword 2021-08-13
Across
- the substance on which an enzyme acts
- a substance burning in oxygen
- a thing that changes the activation energy of a reaction
- The ammount of particles per unit volume
- The minimum energy that a collision must posses for a reaction to occur
Down
- The heat content or chemical energy of a substance
- A reaction that releases energy
- The SI unit for energy
- Something that increases the speed of a reaction by increasing the particles kinetic energy
- A reaction that absorbs energy
10 Clues: The SI unit for energy • a substance burning in oxygen • A reaction that absorbs energy • A reaction that releases energy • the substance on which an enzyme acts • The ammount of particles per unit volume • The heat content or chemical energy of a substance • a thing that changes the activation energy of a reaction • ...
ROOM 5 2022-03-18
Across
- A reaction in which _____ is added to an element or compound
- Reaction oxidation-reduction reaction
- A chemical reaction in which a substance reacts with oxygen
- Gain electron
- A reation in which a move reactive element displaces a less reactive elemtnt from a solution of it's salt
Down
- reactionn involving potassium iodine can be very useful as a test for any _____
- The oxidation number of _____ is usually +1
- A reaction in which oxygen is _____ from a compound
- there are _____ definition of reduction
- Loses electron
10 Clues: Gain electron • Loses electron • Reaction oxidation-reduction reaction • there are _____ definition of reduction • The oxidation number of _____ is usually +1 • A reaction in which oxygen is _____ from a compound • A chemical reaction in which a substance reacts with oxygen • A reaction in which _____ is added to an element or compound • ...
chapter 13 crossword-jason lemle 2020-10-07
Across
- when balancing the elements you need to follow the balancing________
- during a chemical reaction one or more new ________ are formed
- reactants create what
- what kind of reaction has a net release
- when the compound gets broken down and the plus signs are on the right
- _______states that no atoms are gained or lost during any reaction
Down
- what kind of reaction has a net absorption
- heat or light is given off
- what type of reaction gives off light and heat
- what is another word for activation energy
- atoms simply change _______ to form new material
11 Clues: reactants create what • heat or light is given off • what kind of reaction has a net release • what kind of reaction has a net absorption • what is another word for activation energy • what type of reaction gives off light and heat • atoms simply change _______ to form new material • during a chemical reaction one or more new ________ are formed • ...
States of Matter 2024-07-15
Across
- A measure of how much solute is dissolved in a solvent to make a solution.
- If two liquids form a completely uniform mixture when added together.
- A substance that does not dissolve in a particular solvent.
- Two or more substances mixed together.
- Solid substance that has dissolved in a liquid.
- A measure of how much of a solid dissolves in a solvent at a particular temperature.
- A chemical reaction in which heat energy is produced and released to the surroundings.
- The process by which different fluids mix as a result of random motions of the particles.
- A solution that contains as much dissolved solute as possible at a certain temperature is know as ...
- A mixture of elements (usually metals).
Down
- A chemical reaction that takes in heat energy from the surroundings.
- A term that describes a liquid that evaporates easily.
- A solute that dissolves in a particular solvent.
- A mixture containing small particles of an insoluble solid.
- The liquid that dissolves a solid to form a solution.
- The space between atoms ir molecules in a liquid or gas.
- A reaction in which an insoluble salt is prepared from two salt solutions.
17 Clues: Two or more substances mixed together. • A mixture of elements (usually metals). • Solid substance that has dissolved in a liquid. • A solute that dissolves in a particular solvent. • The liquid that dissolves a solid to form a solution. • A term that describes a liquid that evaporates easily. • The space between atoms ir molecules in a liquid or gas. • ...
Physical Science Ch4: Mixtures, Elements, & Compounds 2024-09-02
Across
- two or more elements chemically combined
- Large numbers written before a chemical formula in a chemical equation to indicate the number of molecules
- a mixture in which one substance is dissolved in another substance
- a mixture that appears to be the same throughout
- a substance made of only one kind of material and is the same throughout
- how much of a solute can dissolve in a solvent
- able to be dissolved
- the building blocks of matter
- not able to be dissolved
- Symbol
- a substance that cannot be broken down into simpler substances
Down
- small numbers written in the bottom right corner of a chemical symbol to indicate the number of atoms
- a combination of chemical symbols that represents a molecule of a compound
- an equation describing a chemical reaction
- the substance that does the dissolving in a solution
- the substance that is dissolved in a solution
- a mixture that does not appear to be the same throughout
- two or more substances mixed together but not chemically combined
- two or more atoms chemically bonded together
- a homogeneous mixture of different metal elements
20 Clues: Symbol • able to be dissolved • not able to be dissolved • the building blocks of matter • two or more elements chemically combined • an equation describing a chemical reaction • two or more atoms chemically bonded together • the substance that is dissolved in a solution • how much of a solute can dissolve in a solvent • a mixture that appears to be the same throughout • ...
Jena Brown-Chapter 13 2016-10-12
Across
- A substance that undergoes a chemical change.
- No plus signs on the reactant side.
- When reaction and its reverse act at the same rate.
- No plus signs on the product side.
- The quantity, or number, of molecules of the compound.
- Two elements changes sides.
- Must be added to brake bonds.
- A substance that is the result of the chemical change.
Down
- Always oxides as the product. Goes boom!
- Energy is transferred to reactants from surroundings.
- One element changes sides.
- The energy stored in molecules that can be release during a reaction.
- Tell you how many atoms of a particular element are in a compound.
- Chatelier'sPrinciple If change, the equilibrium shifts to oppose change, until new equilibrium is reached.
- Energy transfers from reactants to surroundings.
15 Clues: One element changes sides. • Two elements changes sides. • Must be added to brake bonds. • No plus signs on the product side. • No plus signs on the reactant side. • Always oxides as the product. Goes boom! • A substance that undergoes a chemical change. • Energy transfers from reactants to surroundings. • When reaction and its reverse act at the same rate. • ...
Electrochemistry 2021-06-23
Across
- cell which converts chemical energy to electrical energy
- unit of electrode potential
- equation gives the electrode potential relative to the standard electrode potential of the electrode couple as a function of component concentrations.
- electrode undergoes oxidation reaction
- metals placed at the bottom of electrochemical series are ---------
- zinc is ---------reactive than Copper
Down
- electrode is dipped in the solution under study in potentiometric titrations
- electrode potential of standard hydrogen electrode is----
- electrode undergoes reduction reaction
- bridge is a laboratory device used to connect the oxidation and reduction half-cells of a galvanic cell
- cell which converts electrical energy to chemical energy
- metal placed at the top of electrochemical series undergoes -----------------
- electrode act as reference electrode
- The anode in an electrochemical cell has this charge
- electrode is an ion selective electrode
15 Clues: unit of electrode potential • electrode act as reference electrode • zinc is ---------reactive than Copper • electrode undergoes reduction reaction • electrode undergoes oxidation reaction • electrode is an ion selective electrode • The anode in an electrochemical cell has this charge • cell which converts electrical energy to chemical energy • ...
Chemistry 2013-06-03
Across
- neutral particles
- Bohr model of atom
- Positively charged particles
- negatively charged protons
- Chemical reaction is a rearrangement of atoms
Down
- substance consisting of atoms which have the same number of protons
- discovered the electron
- number of electrons
- gold foil experiment
- number of electron shells
- discovered first neutron
- Unit of a Chemical Element
12 Clues: neutral particles • Bohr model of atom • number of electrons • gold foil experiment • discovered the electron • discovered first neutron • number of electron shells • negatively charged protons • Unit of a Chemical Element • Positively charged particles • Chemical reaction is a rearrangement of atoms • substance consisting of atoms which have the same number of protons
Jena Brown-Chapter 13 2016-10-12
Across
- Tell you how many atoms of a particular element are in a compound.
- Energy is transferred to reactants from surroundings.
- When reaction and its reverse act at the same rate.
- No plus signs on the product side.
- Chatelier'sPrinciple If change, the equilibrium shifts to oppose change, until new equilibrium is reached.
- One element changes sides.
- A substance that undergoes a chemical change.
Down
- Must be added to brake bonds.
- Two elements changes sides.
- A substance that is the result of the chemical change.
- No plus signs on the reactant side.
- Always oxides as the product. Goes boom!
- The quantity, or number, of molecules of the compound.
- The energy stored in molecules that can be release during a reaction.
- Energy transfers from reactants to surroundings.
15 Clues: One element changes sides. • Two elements changes sides. • Must be added to brake bonds. • No plus signs on the product side. • No plus signs on the reactant side. • Always oxides as the product. Goes boom! • A substance that undergoes a chemical change. • Energy transfers from reactants to surroundings. • When reaction and its reverse act at the same rate. • ...
Photosynthesis Crossword Puzzle 2023-02-13
Across
- The color that plants reflect back to us.
- The process plants do to make their own food.
- A sugar made during photosynthesis
- A gas reactant needed to start photosynthesis.
- A pigment that absorbs sunlight
- Substances that you need to start a chemical reaction.
- Transport tissue that moves food from leaves to rest of plant.
- A reactant absorbed by the roots of a plant.
Down
- Substances that are made after a chemical reaction
- The part of a plant where photosynthesis occurs.
- The energy source for plants to perform photosynthesis.
- Transport tissue that moves water from roots to leaves.
- A plant organelle that contain chlorophyll.
- A gas byproduct made during photosynthesis.
- Small openings that let carbon dioxide and oxygen enter and leave the plant.
15 Clues: A pigment that absorbs sunlight • A sugar made during photosynthesis • The color that plants reflect back to us. • A plant organelle that contain chlorophyll. • A gas byproduct made during photosynthesis. • A reactant absorbed by the roots of a plant. • The process plants do to make their own food. • A gas reactant needed to start photosynthesis. • ...
