chemical reaction Crossword Puzzles
Unit 3 Crossword 2021-10-06
Across
- the available body of facts or information indicating whether a belief or proposition is true or valid.
- a solid that is formed when a chemical reaction occurs.
- a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
- another word for "creates".
- the small number next to an element in a chemical equation.
Down
- a particular kind of matter with uniform properties.
- a part or aspect of something abstract, especially one that is essential or characteristic.
- an extremely small amount of a thing or quality.
- what the reactants create
- a multiplier or factor that measures some property.
10 Clues: what the reactants create • another word for "creates". • an extremely small amount of a thing or quality. • a multiplier or factor that measures some property. • a particular kind of matter with uniform properties. • a solid that is formed when a chemical reaction occurs. • the small number next to an element in a chemical equation. • ...
Changes In Matter 2016-11-03
Across
- matter with a fixed volume and shape
- a measure of the average kinetic energy of the atoms in a system
- a change in matter that does not affect its chemical composition
- a fundamental principle of science stating that matter cannot be created or destroyed in a closed system
- a state of matter with a defined volume but no defined shape
Down
- chemical reaction that gives off heat energy
- energy in the form of heat
- a process that changes substances into new substances
- a state of matter without any defined volume or shape
- a chemical reaction that absorbs heat energy
10 Clues: energy in the form of heat • matter with a fixed volume and shape • chemical reaction that gives off heat energy • a chemical reaction that absorbs heat energy • a process that changes substances into new substances • a state of matter without any defined volume or shape • a state of matter with a defined volume but no defined shape • ...
Chemistry Vocabulary 2018-05-18
Across
- figures all the digits that can be known precisely in a measurement
- A mixture that is completely uniform in its composition
- matter that has a definite shape and volume
- The ratio of the mass of an object to it volume
- the amount of matter in an object
- negative and a negative or positive and a positive charge
- a homogeneous mixture
- a pair of valence electrons that is not involved in bonding
- a negatively charged subatomic particle
- a starting substance in a chemical reaction
- A reaction that has to do with fire
- atoms of the same element that have the same atomic number
Down
- positive and negative charges
- a chemical equation in which mass is converted
- a mixture that is not uniform in composition
- A substance that can not be changed into something simpler
- the smallest particle of an element
- the space occupied by a sample of matter
- an arrangement of elements into rows and columbs
- anything that takes up space and has mass
20 Clues: a homogeneous mixture • positive and negative charges • the amount of matter in an object • the smallest particle of an element • A reaction that has to do with fire • a negatively charged subatomic particle • the space occupied by a sample of matter • anything that takes up space and has mass • matter that has a definite shape and volume • ...
Bioenergetics 2023-01-19
Across
- Store of glucose in a plant
- Most favourable condition
- Product of anaerobic respiration in yeast
- Respiration without oxygen
- Acid that builds up in muscle cells during exercise
- Reactant in photosynthesis
- Respiration with oxygen
- Process plants carry out during the day
- Factor that affects metabolic rate
- When an enzyme changes shape and is no longer functional
- Variable that stays the same
- Green pigment that absorbs light for photosynthesis
- A by-product of photosynthesis
Down
- Physical movement of air in and out of the lungs
- A product of photosynthesis
- Site of aerobic respiration
- Variable that is changed
- Cell that contains lots of mitochondria
- Type of lamp used that does not release heat
- The rate of all the chemical reactions inside our cells
- A factor that slows the rate of photosynthesis
- Chemical reaction that releases energy
- Reaction that absorbs energy from the surroundings
- Variable that is measured
- Substance that makes cell walls
25 Clues: Respiration with oxygen • Variable that is changed • Most favourable condition • Variable that is measured • Respiration without oxygen • Reactant in photosynthesis • Store of glucose in a plant • A product of photosynthesis • Site of aerobic respiration • Variable that stays the same • A by-product of photosynthesis • Substance that makes cell walls • ...
Photosynthesis and Cellular Respiration 2023-01-17
Across
- Photosynthesis happens here
- The substances you end with in a chemical reaction
- First step in Cellular Respiration
- Photosynthesis and Cellular Respiration
- The entry point for water in plants
- Reactant in photosynthesis, product of cellular respiration
- Brings water up from the ground for photosynthesis
- The substances you start with in a chemical reaction
- "The Powerhouse" of the cell
- Another word for Anaerobic Respiration
- Using the sun's energy to make food
Down
- Product of photosynthesis used to store energy from the sun
- Breaks down Glucose for energy
- Pigment in chloroplasts
- The entry point for carbon dioxide in plants
- The source of carbon for Glucose in photosynthesis
- A secondary producer
- A primary producer
- Jelly like substances that fills in around organelles in a cell
- Byproduct of Photosynthesis
- A common byproduct of anaerobic pathways in animals
- Used for energy in photosynthesis
- When you have oxygen for cellular respiration
- The product of alcoholic fermentation
- Cellular respiration without oxygen
25 Clues: A primary producer • A secondary producer • Pigment in chloroplasts • Photosynthesis happens here • Byproduct of Photosynthesis • "The Powerhouse" of the cell • Breaks down Glucose for energy • Used for energy in photosynthesis • First step in Cellular Respiration • The entry point for water in plants • Cellular respiration without oxygen • Using the sun's energy to make food • ...
Photosynthesis 2023-02-21
Across
- pigment that absorbs light energy in plants
- reactant used during the light reactions of photosynthesis
- plant structure that carries water from roots to leaves
- molecule that stores a large amount of energy
- number of water molecules needed to start photosynthesis
- photosynthesis takes place here
- growing fish and plants together in a closed system
- carbon dioxide enters the leaf through this structure
- reactions that build sugar molecules
- source of energy for photosynthesis
Down
- in all reactions, energy and matter must be _____
- where the light reactions take place
- the molecules at the end of a chemical reaction
- the molecules at the start of a chemical reaction
- food for plants
- type of cell that does not contain chloroplasts or cell walls
- high energy molecule produced during the light reactions
- where the Calvin Cycle takes place
- type of fish in our large tank
- product of photosynthesis
- a stack of thylakoids
- 2words reactant used during the Calvin Cycle
22 Clues: food for plants • a stack of thylakoids • product of photosynthesis • type of fish in our large tank • photosynthesis takes place here • where the Calvin Cycle takes place • source of energy for photosynthesis • where the light reactions take place • reactions that build sugar molecules • pigment that absorbs light energy in plants • 2words reactant used during the Calvin Cycle • ...
BiSci Chapter 3; Molecules of Life_Fall 2018 2017-09-08
Across
- Another name for a protein.
- The process of making an RNA molecule from a DNA template.
- Another name for sugar, so-called because they all contain Carbon and Water.
- Also known as a polysaccharide.
- Quality of molecules that dissolve in water.
- Macromolecules that are made from smaller molecules of the same sort. (plural)
- A building block of nucleic acids.
- Quality of molecules that don't dissolve in water.
- Deoxyribonucleic acid.
- Ribonucleic acid.
- Quality of a lipid that is typically solid at room temperature.
- A building block of proteins (2 words; no space).
Down
- Building blocks of specific macromolecules. (plural)
- The unraveling/unfolding of a protein due to heat or pH.
- A chemical reaction that breaks water; in the digestion of organic molecules.
- The process of making protein from an RNA code.
- A hydrophobic organic compound.
- a building block of starch.
- A chemical reaction that makes water; in the synthesis of organic molecules.
- Carbon-based molecular compounds produced by cells.
20 Clues: Ribonucleic acid. • Deoxyribonucleic acid. • Another name for a protein. • a building block of starch. • A hydrophobic organic compound. • Also known as a polysaccharide. • A building block of nucleic acids. • Quality of molecules that dissolve in water. • The process of making protein from an RNA code. • A building block of proteins (2 words; no space). • ...
The BIG Chemistry Crossword Challenge 2020-04-16
Across
- Mrs. Torres' favorite compound
- combines two light nuclei to form a heavier nucleus
- substance shown after the arrow in a chemical equation
- a nuclear emission with no mass and a negative charge
- nuclear emission with the greatest penetration power
- contains protons and neutrons
- measures concentration
- number used to balance chemical equations
- from gas to solid
- horizontal arrangement of elements in the periodic table
Down
- a negative subatomic particle discovered by Thomson
- a crystal that contains attached water molecule
- ions made up of multiple atoms
- a mixture where the components dissolve in each other
- from solid to gas
- two or more pure substances physically combined
- it goes down as the volume goes up
- when the forward and reverse reaction occur at the same rate
- when electrons jump to higher energy levels
- two or more elements chemically combined
- reactions that absorb energy
- it lowers the activation energy required to start a reaction
- a measure of the disorder in a system
23 Clues: from solid to gas • from gas to solid • measures concentration • reactions that absorb energy • contains protons and neutrons • Mrs. Torres' favorite compound • ions made up of multiple atoms • it goes down as the volume goes up • a measure of the disorder in a system • two or more elements chemically combined • number used to balance chemical equations • ...
Photosynthesis & Cellular Respiration 2021-10-19
Across
- a substance that is formed by a chemical reaction
- reactants of photosynthesis
- where the water enters through
- An organism that makes its own food
- reactants of photosynthesis
- where carbon dioxide enters
- The molecule that contains energy made by cellular respiration
- atp
- gas that is a product of photosynthesis
- reactants of cellular respiration
- the type of sugar made during photosynthesis
- reactants of photosynthesis
- gas that is a reactant of photosynthesis
Down
- organelle found in plants where photosynthesis takes place
- when cells break down glucose
- photosynthesis equation
- a substance that undergoes a chemical reaction to form something new
- the process that plants use to make their own food
- The organelle where cellular respiration takes place
- An organism that can NOT make its own food
- the smallest unit that can live on its own and that makes up all living organisms and the tissues of the body
- the part of the plant where most photosynthesis takes place
- Pigment that gives a plant its green color
- gas that is a product of photosynthesis
24 Clues: atp • photosynthesis equation • reactants of photosynthesis • reactants of photosynthesis • where carbon dioxide enters • reactants of photosynthesis • when cells break down glucose • where the water enters through • reactants of cellular respiration • An organism that makes its own food • gas that is a product of photosynthesis • gas that is a product of photosynthesis • ...
Final Exam Review Chemistry 2022-05-19
Across
- the formula for this is mol/Liters
- v1/t1=v2/t2
- these have a positive slope on the solubility graph
- AB+C yields AC+B
- hydrocarbon + O2 yields CO2+H2O
- these have a negative slope on the solubility graph
- small number after an element or compound in chemical equations that we cannot change
- AB+CD yields AC+BD
- these have a pH of 0-6.9
- max amount of solute dissolved at a given temp
Down
- number we put in the blanks to change the count of atoms in a chemical equation
- more solute is dissolved than there should be at that temp
- a reaction where heat is released
- more solute can be dissolved in solution
- AB yields A+B
- these have a pH of 7.1-14
- A+B yields AB
- we add up the partial pressures to find the total pressure
- p1v1=p2v2
- a reaction where heat is absorbed
20 Clues: p1v1=p2v2 • v1/t1=v2/t2 • AB yields A+B • A+B yields AB • AB+C yields AC+B • AB+CD yields AC+BD • these have a pH of 0-6.9 • these have a pH of 7.1-14 • hydrocarbon + O2 yields CO2+H2O • a reaction where heat is released • a reaction where heat is absorbed • the formula for this is mol/Liters • more solute can be dissolved in solution • max amount of solute dissolved at a given temp • ...
Sudduth - Chemistry 2019-10-17
Across
- What is made when a reaction occurs
- reactive with water but not as much as alkali
- A property which cannot be experienced with the 5 senses
- Atoms bonded together
- The smallest part of any element
- 118 of them found in the periodic table
- My favorite class
- chemicals combine in specific amounts
- a change which does not result in a new substance
- Having no visible parts
Down
- A property which can be experienced with the senses
- Mass of an atom
- Sinks to the bottom in a chemical reaction
- very reactive with water
- two of the same atoms together
- mass cannot be created or destroyed
- A mixture
- The things put on the left side of the yield sign
- change a change which results in a new substance
- a whole number comparison
- Visible parts of a mixture
- Man who organized periodic table
- table a way of organizing the known elements
23 Clues: A mixture • Mass of an atom • My favorite class • Atoms bonded together • Having no visible parts • very reactive with water • a whole number comparison • Visible parts of a mixture • two of the same atoms together • The smallest part of any element • Man who organized periodic table • What is made when a reaction occurs • mass cannot be created or destroyed • ...
Cells 2024-01-23
Across
- storage bubbles
- Protein-making factories in a cell
- Large molecules
- breaks down food and cell waste
- Organism that is composed
- chemical reactions that allow a cell to survive
- The cell’s packaging and sorting
- The movement of things
- The parts of a cell
- containing all the organelles
- Each cell goes through a life cycle
- The joining together of the male genetic material and the female genetic material
- control center
Down
- requires energy to move
- they are organelles that produce food
- cell that holds the cell together
- When 1 cell divides into 2 cells
- Compounds that can be added together to make proteins
- Moving things inside and outside
- single-celled bacteria
- The cell’s powerhouse
- The basic structural and functional
- Glucose in food reacts with oxygen
- chemical reaction a plant carries out in order
- reaction where energy is released
- A protective double membrane
- The cell’s transport organelle
27 Clues: control center • storage bubbles • Large molecules • The parts of a cell • The cell’s powerhouse • single-celled bacteria • The movement of things • requires energy to move • Organism that is composed • A protective double membrane • containing all the organelles • The cell’s transport organelle • breaks down food and cell waste • When 1 cell divides into 2 cells • ...
bio crossword puzzle 2025-05-07
Across
- a substance that speeds up a chemical reaction
- three-dimensial structure
- wall provides structural support
- site of cellular respiration
- stores water, nutrients and wast products
- a living thing that keeps its body steady on the inside
- used for cell movement
- synthesizes lipids
- structures with cell nucleus
- usally single stranded
- gel-like substance
- the activity, role, value of an organism
- can produce its own food
- parts to form an organism
Down
- specialized organell found in plants
- the statring substances that participate
- site of photosynthesis
- to store and protect
- to translate the genetic code
- ¨with out oxygen¨
- any of numerous substances that are producd
- used for cell movement
- break down waste materials and debris
- many small units called monomers
- a result of a chemical reaction
- synthesizes proteins
- apparatus sorts everything out
- carries genetic blueprint
- membrane regulates the passage of substance
- a single molecule that is linked together
- relating to or requiring oxygen
31 Clues: ¨with out oxygen¨ • synthesizes lipids • gel-like substance • to store and protect • synthesizes proteins • site of photosynthesis • used for cell movement • used for cell movement • usally single stranded • can produce its own food • three-dimensial structure • carries genetic blueprint • parts to form an organism • site of cellular respiration • structures with cell nucleus • ...
Balancing Chemical Equations 2023-04-19
Across
- an equation that shows that no mass was created or destroyed during an experiment
- anything that has mass and takes up space
- it states that matter cannot be create or destroyed, it is just rearranged
Down
- they are the numbers that come after an atom and tell you how much of it you have
- the substance in the beginning of the equation before the chemical reaction and to the left of the arrow
- goes between the reactant and the subscript and represents the change in a chemical reaction
- placed in front of the atom and added during a chemical equation
- must always be equal on each side of the equation
- the substance that is the result of the chemical reaction and to the right of the arrow.
9 Clues: anything that has mass and takes up space • must always be equal on each side of the equation • placed in front of the atom and added during a chemical equation • it states that matter cannot be create or destroyed, it is just rearranged • they are the numbers that come after an atom and tell you how much of it you have • ...
MATTER & ENERGY VOCABULARY Part 3 2013-09-26
Across
- Material Safety Data Sheet=> form containing data regarding the properties of a particular substance with procedures for handling or working with that substance in a safe manner; includes information such as melting point, boiling point, flash point, toxicity, health effects, first aid, reactivity, storage, disposal, protective equipment, spill handling procedures and first aid.
- The numbered rows of the periodic table. Numbers indicate the number energy levels (shells) for an atom.
- Any substance present initially in a chemical reaction found to the left of the yield sign.
- A positively charged subatomic particle that determines an element’s identity.
- A change in a substance that does not involve a chemical reaction, so no new substance is formed.
- Elements located to the right of the zigzag line on the periodic table. These are generally poor conductors.
- The dense center of an atom containing the protons and neutrons.
- The resulting substances in a chemical reaction found to the right of the yield sign.
Down
- Particles smaller than an atom that combine to form an atom.
- The formation of a solid in a solution during a chemical reaction.
10 Clues: Particles smaller than an atom that combine to form an atom. • The dense center of an atom containing the protons and neutrons. • The formation of a solid in a solution during a chemical reaction. • A positively charged subatomic particle that determines an element’s identity. • ...
Organic Chemistry Part 1 2022-09-21
Across
- Type of bond between 2 non-metal atoms
- Name of CH3CH2CH2COOH
- A substance that speeds up the rate of a chemical reaction without being used up during the reaction
- The compounds that only contain H and C atoms
- A thermal decomposition reaction in which larger saturated hydrocarbon molecules are broken down into smaller molecules
- Molecules contain a double or triple bond in _____ molecules
Down
- Raw material for gasoline
- Jet fuel/Aircraft fuel
- Group of molecules with similar boiling points
- The special condition for a substitution reaction
- Ethene and propene have the same _____ group
- Molecules with same molecular formula but different structure
- An alcohol with 3 carbon atom
- Compounds with the general formula CnH2n+2
14 Clues: Name of CH3CH2CH2COOH • Jet fuel/Aircraft fuel • Raw material for gasoline • An alcohol with 3 carbon atom • Type of bond between 2 non-metal atoms • Compounds with the general formula CnH2n+2 • Ethene and propene have the same _____ group • The compounds that only contain H and C atoms • Group of molecules with similar boiling points • ...
Physical Energy 2022-10-11
Across
- Energy that exists as electric and magnetic waves.
- Energy that exists as the movement of atoms.
- Thermal energy that goes out of a system/reaction.
- The smallest form of elemental matter in the universe.
- A neutrally charged subatomic particle.
- A negatively charged subatomic particle.
Down
- A group of atoms bonded together as the smallest chemical compound possible.
- Thermal energy that goes into a system/reaction.
- Energy that exists as the bonds between atoms in compounds.
- Energy that exists in the nuclei of an atom.
- A positively charged subatomic particle.
- Energy that exists as electron movement.
- Energy that exists as vibrations of matter.
- Energy that exists as physical force.
14 Clues: Energy that exists as physical force. • A neutrally charged subatomic particle. • A positively charged subatomic particle. • Energy that exists as electron movement. • A negatively charged subatomic particle. • Energy that exists as vibrations of matter. • Energy that exists in the nuclei of an atom. • Energy that exists as the movement of atoms. • ...
A.J. chapter 13 2021-12-01
Across
- these are below on the PH scale
- when this is added to a gas reaction time slows down
- a reaction with net absorption of energy
- these are above 7 on the PH scale
- when increasing the temperature the reaction time is
- a substance that lowers the activation energy of a chemical reaction,
Down
- is a 0 on the PH scale
- the outside part or uppermost layer of something
- a reaction with a net release of energy
- when reaction and its reverse act at the same rate.
10 Clues: is a 0 on the PH scale • these are below on the PH scale • these are above 7 on the PH scale • a reaction with a net release of energy • a reaction with net absorption of energy • the outside part or uppermost layer of something • when reaction and its reverse act at the same rate. • when this is added to a gas reaction time slows down • ...
Redox reactions 2022-03-18
Across
- the gain of electrons
- a chemical reaction where the substance(s) reacts with oxygen
- a 2-way reaction (forwards and backwards)
- a reation in which oxygen is added to an element or compound
- a reaction in which a more reactive element displaces a less reactive element from the solution of its salts
- a substance that contains nutrients for crops
Down
- Another words for oxidising agent
- a reaction involving both reduction and oxidation
- number show whether an element has been reduced or oxidised
- conductive surface where oxidation or reduction occurs
- a substance that speeds up a reaction
- no water combined
12 Clues: no water combined • the gain of electrons • Another words for oxidising agent • a substance that speeds up a reaction • a 2-way reaction (forwards and backwards) • a substance that contains nutrients for crops • a reaction involving both reduction and oxidation • conductive surface where oxidation or reduction occurs • ...
Chemistry Week 2 Vocab 2021-08-19
Across
- The ability of a substance to undergo a specific chemical change
- A measure of the amount of matter the object contains
- A quality or condition of a substance that can be observed or measured without changing the substance's composition
- A change that produces matter with different composition than the original matter
- A substance produced in the reaction
- In any physical change or chemical reaction, mass is conserved
- Another name for a homogenous mixture
- Some properties of a material change, but the composition of the material does not change
- A substance present at the start of the reaction
Down
- Describes the gaseous state of a substance that is generally a liquid or solid at room temperature
- One or more substance change into one or more new substances
- A solid that forms and settles out of a liquid mixture
- A mixture in which the composition is uniform throughout
- A mixture that is not uniform throughout
- A substance that contains two or more 100 known elements chemically combined in a fixed proportion
15 Clues: A substance produced in the reaction • Another name for a homogenous mixture • A mixture that is not uniform throughout • A substance present at the start of the reaction • A measure of the amount of matter the object contains • A solid that forms and settles out of a liquid mixture • A mixture in which the composition is uniform throughout • ...
Thermochemistry crossword puzzle 2023-05-17
Across
- 1 calorie is equal to 4.18 of this
- The amount of heat needed to raise temperature of 1g by 1 degree Celsius
- The heat that is used when something dissolves
- Heat flows into the system in this reaction
- An object that is used to measure heat of chemical or physical reactions
- When one mole absorbs heat and it is changed from liquid to gas
- The amount of heat needed to increase temperature by 1 degree Celsius
- It supplies heat or does work
Down
- A balanced equation that includes the products and change in energy
- The container of the system
- When one mole absorbs heat that leads to a phase change of solid to liquid
- Where the reaction takes place or something that changes phases
- Heat gets released out of the system in this reaction
- 1 of these is the amount of heat needed to increase temperature of 1g of water by 1 degree Celsius
- Study of energy changes during chemical or physical reactions
- Quantity that is equal to the total amount of heat in a system
- The letter “q” in an equation
- Measuring the amount of heat that got transferred from an object
18 Clues: The container of the system • The letter “q” in an equation • It supplies heat or does work • 1 calorie is equal to 4.18 of this • Heat flows into the system in this reaction • The heat that is used when something dissolves • Heat gets released out of the system in this reaction • Study of energy changes during chemical or physical reactions • ...
Science Vocab 2023-10-18
Across
- A solid formed by a change in a solution, often due to a chemical reaction or change in temperature
- A substance or molecule that is formed in a chemical reaction; the final output
- A substance or molecule that participates in a chemical reaction; the ingredients that you start with
- A representation of a chemical reaction using symbols of the elements to indicate the amount of substance of each reactant and product
- A change of matter from one form to another without a change in chemical properties; only physical changes
Down
- States that the mass of an object, or collection of objects new changes, no matter how the parts are rearranged
- A process in which one or more substances are converted to one or more different substances.
- A change that occurs when one or more substances change into entirely new substances with different properties
8 Clues: A substance or molecule that is formed in a chemical reaction; the final output • A process in which one or more substances are converted to one or more different substances. • A solid formed by a change in a solution, often due to a chemical reaction or change in temperature • ...
Chemistry Final Review On Unit 7 - Thermochemistry! 2024-04-16
Across
- If the products have ________ potential energy than the reactants, then the reaction is exothermic.
- The molar heat of fusion equation does not include/measure _____________, even though the specific heat equation does.
- On an endothermic energy diagram, the value of the enthalpy will be ____________.
- The Law Of _______________ Of Energy states that energy is neither destroyed or created … merely transformed!
- Molar Heat Of Fusion has to do with the phase change from a ___________ to a liquid.
- A _______________ is a piece of equipment designed to measure energy released or absorbed during a chemical reaction/phase change.
- If the products have ________ potential energy than the reactants, then the reaction is endothermic.
- System to Surroundings … ____________
- Gas to Solid (Refer to Phase Changes) …. __________________
- Bigger molecules tend to have higher _____________ energy.
- Surroundings to the System … ________________
- Energy is defined as the ability to do __________.
- __________________ is found by subtracting the potential energy of the transition state from the potential energy of the reactants.
- 1 kilojoule (KJ) is equal to ______________ joules. (In words, not numbers.
Down
- Solid to Gas (Refer to Phase Changes) …
- When you boil pasta, that is a __________ change. The composition of the pasta itself does not change, rather, the pasta just becomes edible.
- In the specific heat equation, the unit associated with Delta T is always degrees ____________.
- When kinetic energy is low, ____________________ is
- Associated with the motion of particles. This is ____________.
- Heat is directly ___________ to Delta T.
- In the specific heat equation, to find Delta T, you subtract the initial temperature from the final temperature. Is this statement TRUE or FALSE? (Answer here goes in crossword) ____________.
- A Big “C” calorie can also be called a _________________. (Not the abbreviation, full name).
- Cooking an egg sunny side up is an example of a ______________ reaction. The egg is changing its composition, which is how one can tell what type of reaction this is …
- When potential energy is low, ________________ is abundant.
- Energy always transfers from hot to cold substances. Is this statement true or false? ______________
- On an exothermic energy diagram, the value of the enthalpy will be ______________.
- ________________ is defined as the measure of energy released or absorbed during a chemical reaction/phase change.
- 1 Big “C” Calorie is equal to __________________ (in words, not number) little “c” calories.
- In the specific heat equation, the “m” that measures mass takes the unit of _________ in any given equation.
- Molar Heat Of Solidification has to do with the phase change from a ________________ to a solid.
30 Clues: System to Surroundings … ____________ • Solid to Gas (Refer to Phase Changes) … • Heat is directly ___________ to Delta T. • Surroundings to the System … ________________ • Energy is defined as the ability to do __________. • When kinetic energy is low, ____________________ is • Bigger molecules tend to have higher _____________ energy. • ...
Physics 2024-09-09
Across
- Which reaction is opposite reaction of combination.
- Which mirror is used to concentrate sunlight to produce heat.
- Which type of reaction is releases the heat.
- 2HCL+ZN-ZNCL2+H2.
Down
- What is the chemical name of MG.
- which reaction combain two or more substance it forms new single substance.
- Which type of reaction produce insoluble salts.
- what is the SI unit of power of a lens.
- which reaction is absorbed the heat.
- where is light passes speed 3×10⁸ ms-¹.
10 Clues: 2HCL+ZN-ZNCL2+H2. • What is the chemical name of MG. • which reaction is absorbed the heat. • what is the SI unit of power of a lens. • where is light passes speed 3×10⁸ ms-¹. • Which type of reaction is releases the heat. • Which type of reaction produce insoluble salts. • Which reaction is opposite reaction of combination. • ...
Molecule 2025-03-27
Across
- representation of a compound
- a substance turning into a totally new substance because of reaction
- Smallest particle a substance can be broken into
- representation of a chemical reaction
Down
- causes a chemical change
- a representation of a reaction with all atoms on each side
- representation of an element
- two or more molecules bonded to make a new substance
8 Clues: causes a chemical change • representation of a compound • representation of an element • representation of a chemical reaction • Smallest particle a substance can be broken into • two or more molecules bonded to make a new substance • a representation of a reaction with all atoms on each side • a substance turning into a totally new substance because of reaction
vocab 6B 2017-04-06
Across
- A chemical formula is a way of expressing information about the proportions of atoms that constitute a particular chemical compound, using a single line of chemical element symbols, numbers, and sometimes also other symbols, such as parentheses, dashes, brackets, commas and plus (+) and minus (−) signs.
- The noble gases make a group of chemical elements with similar properties. Under standard conditions, they are all odorless, colorless, monatomic gases with very low chemical reactivity. The six noble gases that occur naturally are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and the radioactive radon (Rn).
- The law of conservation of mass or principle of mass conservation states that for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time, as system mass cannot change quantity if it is not added or removed. Hence, the quantity of mass is "conserved" over time.
- a substance that takes part in and undergoes change during a reaction.
- A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds.
Down
- Chemical changes occur when a substance combines with another to form a new substance, called synthesis or, alternatively, decomposes into two or more different substances. These processes are called chemical reactions and, in general, are not reversible except by further chemical reactions.
- An electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms.
- Physical changes occur when objects or substances undergo a change that changes the physical form of a composition but not the chemical composition.
- A chemical equation is the symbolic representation of a chemical reaction in the form of symbols and formulas.
- the result of a chemical reaction.
- The alkali metals are a group of elements in the periodic table. They are all in the first column of the periodic table. They are extremely reactive.
11 Clues: the result of a chemical reaction. • a substance that takes part in and undergoes change during a reaction. • A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds. • An electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms. • ...
Unit 6B Vocabulary: Alex Vu (Phillips 6th) 2017-04-04
Across
- A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds
- The alkali metals are a group of elements in the periodic table. They are all in the first column of the periodic table.They are extremely reactive
- The result of a chemical reaction
- The law of conservation of mass or principle of mass conservation states that for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time, as system mass cannot change quantity if it is not added or removed. Hence, the quantity of mass is "conserved" over time
- Physical changes occur when objects or substances undergo a change that changes the physical form of a composition but not the chemical composition
- A substance that takes part in and undergoes change during a reaction
Down
- The noble gases make a group of chemical elements with similar properties. Under standard conditions, they are all odorless, colorless, monatomic gases with very low chemical reactivity. The six noble gases that occur naturally are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and the radioactive radon (Rn)
- A chemical equation is the symbolic representation of a chemical reaction in the form of symbols and formulas
- A chemical formula is a way of expressing information about the proportions of atoms that constitute a particular chemical compound, using a single line of chemical element symbols, numbers, and sometimes also other symbols, such as parentheses, dashes, brackets, commas and plus (+) and minus (−) signs
- Chemical changes occur when a substance combines with another to form a new substance, called synthesis or, alternatively, decomposes into two or more different substances. These processes are called chemical reactions and, in general, are not reversible except by further chemical reactions
- An electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms
11 Clues: The result of a chemical reaction • A substance that takes part in and undergoes change during a reaction • A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds • An electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms • ...
Unit 6B Vocab 2017-04-04
Across
- Physical changes occur when objects or substances undergo a change that changes the physical form of a composition but not the chemical composition.
- the result of a chemical reaction.
- Chemical changes occur when a substance combines with another to form a new substance, called synthesis or, alternatively, decomposes into two or more different substances. These processes are called chemical reactions and, in general, are not reversible except by further chemical reactions.
- A chemical equation is the symbolic representation of a chemical reaction in the form of symbols and formulas.
- The alkali metals are a group of elements in the periodic table. They are all in the first column of the periodic table. They are extremely reactive.
- The noble gases make a group of chemical elements with similar properties. Under standard conditions, they are all odorless, colorless, monatomic gases with very low chemical reactivity. The six noble gases that occur naturally are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and the radioactive radon (Rn).
Down
- The law of conservation of mass or principle of mass conservation states that for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time, as system mass cannot change quantity if it is not added or removed. Hence, the quantity of mass is "conserved" over time.
- A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds.
- A chemical formula is a way of expressing information about the proportions of atoms that constitute a particular chemical compound, using a single line of chemical element symbols, numbers, and sometimes also other symbols, such as parentheses, dashes, brackets, commas and plus (+) and minus (−) signs.
- An electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms.
- a substance that takes part in and undergoes change during a reaction.
11 Clues: the result of a chemical reaction. • a substance that takes part in and undergoes change during a reaction. • A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds. • An electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms. • ...
vocab 2017-04-07
Across
- A chemical equation is the symbolic representation of a chemical reaction in the form of symbols and formulas.
- The law of conservation of mass or principle of mass conservation states that for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time, as system mass cannot change quantity if it is not added or removed. Hence, the quantity of mass is "conserved" over time.
- Chemical changes occur when a substance combines with another to form a new substance, called synthesis or, alternatively, decomposes into two or more different substances. These processes are called chemical reactions and, in general, are not reversible except by further chemical reactions.
- The noble gases make a group of chemical elements with similar properties. Under standard conditions, they are all odorless, colorless, monatomic gases with very low chemical reactivity. The six noble gases that occur naturally are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and the radioactive radon (Rn).
Down
- An electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms.
- a substance that takes part in and undergoes change during a reaction.
- A chemical formula is a way of expressing information about the proportions of atoms that constitute a particular chemical compound, using a single line of chemical element symbols, numbers, and sometimes also other symbols, such as parentheses, dashes, brackets, commas and plus (+) and minus (−) signs.
- the result of a chemical reaction.
- change Physical changes occur when objects or substances undergo a change that changes the physical form of a composition but not the chemical composition.
- The alkali metals are a group of elements in the periodic table. They are all in the first column of the periodic table. They are extremely reactive.
- A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds.
11 Clues: the result of a chemical reaction. • a substance that takes part in and undergoes change during a reaction. • A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds. • An electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms. • ...
Vocab 6B 2017-04-06
Across
- A chemical equation is the symbolic representation of a chemical reaction in the form of symbols and formulas.
- Physical changes occur when objects or substances undergo a change that changes the physical form of a composition but not the chemical composition.
- A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds.
- a substance that takes part in and undergoes change during a reaction.
Down
- An electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms.
- Chemical changes occur when a substance combines with another to form a new substance, called synthesis or, alternatively, decomposes into two or more different substances. These processes are called chemical reactions and, in general, are not reversible except by further chemical reactions.
- The alkali metals are a group of elements in the periodic table. They are all in the first column of the periodic table. They are extremely reactive.
- the result of a chemical reaction.
- The law of conservation of mass or principle of mass conservation states that for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time, as system mass cannot change quantity if it is not added or removed. Hence, the quantity of mass is "conserved" over time.
- A chemical formula is a way of expressing information about the proportions of atoms that constitute a particular chemical compound, using a single line of chemical element symbols, numbers, and sometimes also other symbols, such as parentheses, dashes, brackets, commas and plus (+) and minus (−) signs.
- The noble gases make a group of chemical elements with similar properties. Under standard conditions, they are all odorless, colorless, monatomic gases with very low chemical reactivity. The six noble gases that occur naturally are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and the radioactive radon (Rn).
11 Clues: the result of a chemical reaction. • a substance that takes part in and undergoes change during a reaction. • A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds. • An electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms. • ...
unit 6b Trent Smith 2017-04-06
Across
- Chemical changes occur when a substance combines with another to form a new substance, called synthesis or, alternatively, decomposes into two or more different substances. These processes are called chemical reactions and, in general, are not reversible except by further chemical reactions.
- The noble gases make a group of chemical elements with similar properties. Under standard conditions, they are all odorless, colorless, monatomic gases with very low chemical reactivity. The six noble gases that occur naturally are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and the radioactive radon (Rn).
- a substance that takes part in and undergoes change during a reaction.
- An electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms.
- A chemical equation is the symbolic representation of a chemical reaction in the form of symbols and formulas.
- The alkali metals are a group of elements in the periodic table. They are all in the first column of the periodic table. They are extremely reactive.
Down
- Physical changes occur when objects or substances undergo a change that changes the physical form of a composition but not the chemical composition.
- the result of a chemical reaction.
- The law of conservation of mass or principle of mass conservation states that for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time, as system mass cannot change quantity if it is not added or removed. Hence, the quantity of mass is "conserved" over time.
- A chemical formula is a way of expressing information about the proportions of atoms that constitute a particular chemical compound, using a single line of chemical element symbols, numbers, and sometimes also other symbols, such as parentheses, dashes, brackets, commas and plus (+) and minus (−) signs.
- A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds.
11 Clues: the result of a chemical reaction. • a substance that takes part in and undergoes change during a reaction. • A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds. • An electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms. • ...
Unit 6B Vocabulary. Cesar Flores, Period 1 2017-04-10
Across
- - a substance that takes part in and undergoes change during a reaction.
- - A chemical formula is a way of expressing information about the proportions of atoms that constitute a particular chemical compound, using a single line of chemical element symbols, numbers, and sometimes also other symbols, such as parentheses, dashes, brackets, commas and plus (+) and minus (−) signs.
- - Physical changes occur when objects or substances undergo a change that changes the physical form of a composition but not the chemical composition.
- - The noble gases make a group of chemical elements with similar properties. Under standard conditions, they are all odorless, colorless, monatomic gases with very low chemical reactivity. The six noble gases that occur naturally are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and the radioactive radon (Rn).
- - The law of conservation of mass or principle of mass conservation states that for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time, as system mass cannot change quantity if it is not added or removed. Hence, the quantity of mass is "conserved" over time.
Down
- - An electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms.
- - A chemical equation is the symbolic representation of a chemical reaction in the form of symbols and formulas.
- - the result of a chemical reaction.
- - Chemical changes occur when a substance combines with another to form a new substance, called synthesis or, alternatively, decomposes into two or more different substances. These processes are called chemical reactions and, in general, are not reversible except by further chemical reactions.
- - The alkali metals are a group of elements in the periodic table. They are all in the first column of the periodic table. They are extremely reactive.
- - A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds.
11 Clues: - the result of a chemical reaction. • - a substance that takes part in and undergoes change during a reaction. • - A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds. • - An electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms. • ...
Chemistry 2017-02-17
Across
- substance has constant composition and has not been changed
- Any change that occurs without altering the chemical composition
- the basic unit of a chemical element and extremely small
- states that mass is neither created or distroyed
- substances present in a chemical reaction that are consumed during the reaction to make
Down
- substance that is formed when two or more chemicals react
- a change that cannot be reversed
- a column of elements
- horizontal row of the periodic table, there are seven
- the process of changing from a liquid to vapor
10 Clues: a column of elements • a change that cannot be reversed • the process of changing from a liquid to vapor • states that mass is neither created or distroyed • horizontal row of the periodic table, there are seven • the basic unit of a chemical element and extremely small • substance that is formed when two or more chemicals react • ...
Redox reactions 2025-08-13
Across
- A pure substance that cannot be broken down into simpler substances by ordinary chemical
- a substance that readily accepts electrons in a chemical reaction, causing the oxidation of another substance
- Oxidation numbers become more negative
- State which is not liquid or gas
- Substance that undergoes change during a reaction
Down
- kind of matter with uniform properties.
- a substance that donates electrons to another substance, causing that substance to be reduced
- a process where a substance loses electrons
- involves the transfer of electrons between chemical species
- Something composed of two or more separate elements
10 Clues: State which is not liquid or gas • Oxidation numbers become more negative • kind of matter with uniform properties. • a process where a substance loses electrons • Substance that undergoes change during a reaction • Something composed of two or more separate elements • involves the transfer of electrons between chemical species • ...
Equilibrium HW 2013-05-02
Across
- The amount of particles moving forwards and backwards in a system at equilibrium are _______.
- can go backwards and forwards
- moves a lot
- The substance(s) that are typically written on the left of a chemical reaction to indicate that you start with them.
- Although a system at equilibrium has no overall difference in amounts of products or reactants, the system is still _________ back and forth at equal rates.
Down
- When a reaction has reached this, the total amount of changes to each side cancel out.
- The substance(s) that are formed in a chemical reaction, written on the right side of the arrow in a chemical equation.
- Our bodies maintain homeostasis in many ways through chemical equilibrium, so that we remain _________.
- The amounts of reactants and products aren’t necessarily equal to one another, but their total amounts remain ____________.
- A word scientists use to describe the total or overall change.
10 Clues: moves a lot • can go backwards and forwards • A word scientists use to describe the total or overall change. • When a reaction has reached this, the total amount of changes to each side cancel out. • The amount of particles moving forwards and backwards in a system at equilibrium are _______. • ...
energy 2024-01-02
Across
- is the form of energy that it possesses due to its motion
- is a type of mechanical energy that starts with a vibration,
- is created from the vibration of atoms and molecules within substances.
- it is in a lamp
- it is an energy associated with gravity or gravitational force
- is the sum of the kinetic and potential energy of a system.
- it comes from sun
- is the inherent original energy of a body at rest
- is the use of nuclear reactions to produce electricity.
- is released through a nuclear reaction or radioactive decay process.
Down
- is a type of kinetic energy that travels in waves.
- is the energy of chemical substances that is released when the substances undergo a chemical reaction
- s energy related to forces on electrically charged particles and the movement of those particles.
- is the type of energy stored in an object or substance
- is a form of electromagnetic radiation. Light consists of photons,
- is the energy stored in objects
- Is the energy when stretched.
17 Clues: it is in a lamp • it comes from sun • Is the energy when stretched. • is the energy stored in objects • is the inherent original energy of a body at rest • is a type of kinetic energy that travels in waves. • is the type of energy stored in an object or substance • is the use of nuclear reactions to produce electricity. • ...
1.3 Vocab 2022-10-25
Across
- the pH is 7 and must be in order for homeostasis to regulate reactants
- the sticking of water
- the attraction of molecular positive and negative bonds
- the heat applied in order to change water from liquid to vapor to cool off the body
- the energy of motion in the movement of an object
- a reaction in which energy releases
- a compound of 2 or more chemical components not chemically linked
- energy that uses objects which work
- an electrostatic attraction with hydrogen atoms and a polar molecule and an electronegative atom and molecule
Down
- the arrangement of molecules allowing a particle to resist external force due to adhesion
- the regulation of energy taken to increase temperature
- stored energy on the relative position
- the power of hydronium
- a reaction in which energy is consumed or absorbed
- a substance of 2 or more chemical elements combined in a fixed ratio
- energy stored in the bonds of atoms and molecules
- the smallest part of a substance that has all of the physical and chemical properties of the substance
17 Clues: the sticking of water • the power of hydronium • a reaction in which energy releases • energy that uses objects which work • stored energy on the relative position • the energy of motion in the movement of an object • energy stored in the bonds of atoms and molecules • a reaction in which energy is consumed or absorbed • ...
matter choice board 2024-11-20
Across
- quantity of matter in an object.
- the mass of a substance per unit volume.physical property
- consisting of parts or elements that are all the same
- A basic part of a whole.
- A small particle with a negative charge that is found in all atoms.
- property a characteristic of a particular substance that can be observed in a chemical reaction.
- tiny particles inside the center of an atom.
- a material that is made up of a combination of atoms bonded together.
Down
- The smallest part of a substance that cannot be broken down chemically
- the amount or quantity of heaviness or mass; amount a thing weighs
- a word that signifies diversity
- any thing that tacks up space
- property any of a material's properties that becomes evident during, or after, a chemical reaction
- a subatomic particle that is found in all atoms.
- numbers The number of protons in the nucleus of an atom determines an element's atomic number.
- the amount of space occupied by any three-dimensional solid.
- unmixed with any other matter.
17 Clues: A basic part of a whole. • any thing that tacks up space • unmixed with any other matter. • a word that signifies diversity • quantity of matter in an object. • tiny particles inside the center of an atom. • a subatomic particle that is found in all atoms. • consisting of parts or elements that are all the same • ...
7.4.1 Science Vocab 2023-01-23
Across
- water filtering through soil
- weathering by breaking
- a region of a place that has different ecosystems
- piece of broken rock
- moving sediments
- landform by deposition at end of river
- dropping off sediments
Down
- reaction to water
- landform by water or glaciers
- weathering by chemical change
- reaction to oxygen
- acid rain
12 Clues: acid rain • moving sediments • reaction to water • reaction to oxygen • piece of broken rock • weathering by breaking • dropping off sediments • water filtering through soil • landform by water or glaciers • weathering by chemical change • landform by deposition at end of river • a region of a place that has different ecosystems
Unit 1 Vocabulary 2023-10-12
Across
- 2 or more atoms bonded together
- Basic unit of matter
- A chemical substance that is present at the start of a chemical reaction
- describes a material that does not dissolve in something else
- a change that produces different molecules than the starting molecules
Down
- A change in a substance that does not change its identity
- a characteristic of a substance that doesn't change
- A substance produced in a chemical reaction
- Mass per unit volume
9 Clues: Mass per unit volume • Basic unit of matter • 2 or more atoms bonded together • A substance produced in a chemical reaction • a characteristic of a substance that doesn't change • A change in a substance that does not change its identity • describes a material that does not dissolve in something else • ...
Chemistry Revision 2022-03-12
Across
- Converting sugar such as glucose into
- A regular array of particles.
- A method of preventing rusting by coating iron with a layer of zinc.
- Loss of oxygen or gain of electrons.
- A substance that acts as a source of hydrogen ions (H+) in solution (Arrhenius theory) or as a proton donor (Brønsted–Lowry theory).
- Joining up of lots of small molecules (monomers) to make one big molecule (polymer).
- Molecules containing carbon and hydrogen only.
Down
- A property of metal which allows it to be hammered into different shapes.
- and carbon dioxide using enzymes in yeasts.
- A compound formed when a hydrogen is replaced by a metal or ammonium in an acid.
- Gain of oxygen or loss of electrons.
- reaction that can go both ways
- substance that speeds up a chemical reaction by providing an alternative pathway of lower activation energy.
- A chemical reaction in which an alcohol and a carboxylic acid react together to form an ester.
- Removal of water.
15 Clues: Removal of water. • A regular array of particles. • reaction that can go both ways • Gain of oxygen or loss of electrons. • Loss of oxygen or gain of electrons. • Converting sugar such as glucose into • and carbon dioxide using enzymes in yeasts. • Molecules containing carbon and hydrogen only. • A method of preventing rusting by coating iron with a layer of zinc. • ...
EHalpin Chapter 2016-10-13
Across
- How quickly the concentration of products increases or as how quickly the concentration of reactants decreases.
- The law of mass conservation states that matter is neither created nor destroyed during a chemical reaction.
- Reactions in which there is a net absorption of energy are called _________.
- A bond breaks or the energy that is released as a bond form, is called ____________.
- Solution is one in which the hydronium ion concentration equals the hydroxide ion concentration.
Down
- Reaction between an acid and a base.
- To the left of an arrow that points toward the newly formed substances, called products.
- Behaves an an acid is about the same as its ability to behave as a base.
- Reactions in which there is a net release of energy are called ___________.
- Formation of an ammonium ion
- H3O
- The minimum energy required to overcome this energy barrier.
- A third way to increase the rate of a reaction.
- A chemical equation shows the reacting substances.
- A general term meaning any ionic compound.
15 Clues: H3O • Formation of an ammonium ion • Reaction between an acid and a base. • A general term meaning any ionic compound. • A third way to increase the rate of a reaction. • A chemical equation shows the reacting substances. • The minimum energy required to overcome this energy barrier. • Behaves an an acid is about the same as its ability to behave as a base. • ...
ENZYMES 2023-07-24
Across
- an enzyme that catalyses the breakdown of maltose to glucose
- enzymes that break down carbohydrates
- A liquid that has a known pH, and that keeps the pH steady all the time
- ................ of enzymes, only able to act on a particular substarte
- the part of an enzyme molecule to which the substrate temporarily binds
Down
- Something with a perfect mirror-image shape
- a substance that increases the rate of a chemical reaction and is not changes by the reaction
- proteins that are involved in all metabolic reactions where they function as biological catalysts
- the substance that an enzyme causes to react
- an enzyme that catalyses the breakdown of hydrogen peroxide to water and oxygen
- an enzyme that breaks down sucrose
- the new substance formed by a chemical reaction
- an enzyme that catalyses the breakdown of starch to maltose
- an enzyme that catalyses the breakdown of protein to amino acids
- enzymes that break down lipids ( fats and oils )
15 Clues: an enzyme that breaks down sucrose • enzymes that break down carbohydrates • Something with a perfect mirror-image shape • the substance that an enzyme causes to react • the new substance formed by a chemical reaction • enzymes that break down lipids ( fats and oils ) • an enzyme that catalyses the breakdown of starch to maltose • ...
Shen SNHS: Chemistry crossword puzzle 2024-01-16
Across
- Mixture where substance aren't equally distributed
- Atoms with the same number of protons but different numbers of neutrons
- When a solute is dissolved in a solvent like water
- When a solid changed directly into a gas
- Type of covalent bond where electrons are not shared evenly between atoms
- Name of the outermost elections in an atom
- Force that exists between two neighboring molecules; includes LDFs, dipole-dipole forces, and H-bonds
- 6.022 * 10^23 things; standard counting amount in chemistry
- A compound that gives off OH- ions in water
Down
- Measurement of the randomness in a system
- Name given to compounds with more than one atom; also names ions like NH4+, OH-, and CN-
- When electricity is used to break apart a compound
- Name of ions in a reaction that don't react
- A substance that speeds up a chemical reaction
- When the forward rate of a chemical reaction is the same as the reverse rate
15 Clues: When a solid changed directly into a gas • Measurement of the randomness in a system • Name of the outermost elections in an atom • Name of ions in a reaction that don't react • A compound that gives off OH- ions in water • A substance that speeds up a chemical reaction • Mixture where substance aren't equally distributed • ...
Matter and Energy in Ecosystems 2022-06-03
Across
- the ability to make things move or change
- to link two or more things
- something that is required for a process
- an ending substance that is made during a chemical reaction
- a starting substance that is part of a chemical reaction
- living things, such as plants, animals, and bacteria
- a group of atoms joined together in a particular way
- a closed ecosystem made by humans
Down
- a molecule made of carbon and oxygen atoms
- a type of energy storage molecule
- a type of energy storage molecule
- something that results from a process
- the part of the cell where cellular respiration happens
- the part of a cell where photosynthesis happens
- a set of interacting parts forming a complex whole
15 Clues: to link two or more things • a type of energy storage molecule • a type of energy storage molecule • a closed ecosystem made by humans • something that results from a process • something that is required for a process • the ability to make things move or change • a molecule made of carbon and oxygen atoms • the part of a cell where photosynthesis happens • ...
Science Vocabulary 2014-01-14
Across
- substance at the end of the reaction
- matter can not travel around freely
- short easy way to show chemical reaction
- substance at the beginning of the reaction
Down
- breaking a compound into something more simple
- when an element switches places in a reaction
- 2 atoms or compounds combine to make something more complex
- number of atoms or molecules in the reaction
- matter can travel around freely
- matter is not created nor destroyed
10 Clues: matter can travel around freely • matter can not travel around freely • matter is not created nor destroyed • substance at the end of the reaction • short easy way to show chemical reaction • substance at the beginning of the reaction • number of atoms or molecules in the reaction • when an element switches places in a reaction • ...
The Birth of Life on Earth 2012-09-30
Across
- First living organisms able to metabolise and reproduct.
- An opening in the Earth's crust allowing hot magma and gases to escape from below the surface.
- The theory saying that the life on Earth came from outer space.
- In the Earth's early atmosphere were many gases. One which is present today, wasn't there. Which?
- Chemical substance increasing the speed of chemical reaction. Not consumed by the reaction itself.
Down
- Gaseous envelope of the Earth
- dirt, earth
- Chemical compound forming proteins by polycondensation.
- Supramolecular complex made of thounsands simple molecules by chaining themselves together.
- Adenosine triphosphate
10 Clues: dirt, earth • Adenosine triphosphate • Gaseous envelope of the Earth • Chemical compound forming proteins by polycondensation. • First living organisms able to metabolise and reproduct. • The theory saying that the life on Earth came from outer space. • Supramolecular complex made of thounsands simple molecules by chaining themselves together. • ...
Cellular and Photosynthesis Crossword 2023-11-17
Across
- a substance that is present at the end of a chemical reaction.
- small, but critical structures inside of plant cells
- to change something
- a colorless, odorless gas found in our atmosphere
Down
- a substance that enters into and is altered in the course of a chemical reaction.
- the process by which plants use that forms sugar.
- a chemical element that is a gas with no smell or color.
- maker of something
- breaks down dead materials
- a process that occurs when two or more molecules interact to form a new product(s)
10 Clues: maker of something • to change something • breaks down dead materials • the process by which plants use that forms sugar. • a colorless, odorless gas found in our atmosphere • small, but critical structures inside of plant cells • a chemical element that is a gas with no smell or color. • a substance that is present at the end of a chemical reaction. • ...
Enzymes Puzzle 2023-04-20
Across
- The process of breaking up of a protein.
- Act as biological catalysts.
- Enzymes that break down the proteins.
- The substance on which an enzyme acts.
- A substance which slows down or prevents a particular chemical reaction.
Down
- Change in rate of a chemical reaction due to the participation of a substance called a catalyst.
- The region where the enzyme and substrate bind.
- From several tens to over 2500 aminoacids.
- An enzyme made in the stomach that breaks down proteins in food during digestion.
- Species formed from chemical reactions.
10 Clues: Act as biological catalysts. • Enzymes that break down the proteins. • The substance on which an enzyme acts. • Species formed from chemical reactions. • The process of breaking up of a protein. • From several tens to over 2500 aminoacids. • The region where the enzyme and substrate bind. • A substance which slows down or prevents a particular chemical reaction. • ...
SCIENCE CROSSWORD 2025-02-13
Across
- A number written below and to the right of a chemical symbol that shows the number of a specific type of atom present
- Movement of heat through liquids and gas
- Has indefinite shape and volume
- Change during a chemical reaction
- A substance produced during a chemical reaction
Down
- Transfer of energy through electromagnetic waves
- change Adding or removing thermal energy, changes in pressure, or a combination of both can cause.
- To move rhythmically and steadily oscillate
- Not chemically reactive; used to describe a substance
- To strike or hit something with any amount of force
10 Clues: Has indefinite shape and volume • Change during a chemical reaction • Movement of heat through liquids and gas • To move rhythmically and steadily oscillate • A substance produced during a chemical reaction • Transfer of energy through electromagnetic waves • To strike or hit something with any amount of force • Not chemically reactive; used to describe a substance • ...
Agbai 2022-03-08
Across
- quantitative relationship between the amount of reactants used and the amount of reactants used and the amount of products formed
- chemical symbols describing the number of atoms of each element present in the molecule
- maximum amount of reactant produced
- mass of 1 mole of a substance
- reactant that is used up
Down
- symbolic representation of a chemical reaction in the form of symbols and formulae
- amount of product that was actually produced
- (actual/theoretical) x 100
- left over reactants
- ratio between the number of moles of any 2 substances in a chemical reaction
10 Clues: left over reactants • reactant that is used up • (actual/theoretical) x 100 • mass of 1 mole of a substance • maximum amount of reactant produced • amount of product that was actually produced • ratio between the number of moles of any 2 substances in a chemical reaction • symbolic representation of a chemical reaction in the form of symbols and formulae • ...
words Emily Suquillo IV PAI A 2022-01-17
Across
- is explain the protein conformational changes in the binding process.
- is composed of diverse elements.
- the region of an enzyme where substrate molecules bind and undergo a chemical reaction.
- shape that an object has
- organic molecules that act as catalysts for chemical reactions
Down
- minimum energy required for a system
- process by which the rate of a chemical reaction is increased.
- an action or something that ties together, attaches or holds down
- the surface on which an organism lives
- large,complex molecules that perform many critical functions in the body.
10 Clues: shape that an object has • is composed of diverse elements. • minimum energy required for a system • the surface on which an organism lives • process by which the rate of a chemical reaction is increased. • organic molecules that act as catalysts for chemical reactions • an action or something that ties together, attaches or holds down • ...
Biology Vocabulary 2016-12-14
Across
- carrier, when glucose breaks down into ATP, a large amount of the energy is stored as electron on special molecules (the electron carriers)
- Cycle, takes place in the mitochondrial matrix
- stands for adenosine triphosphate….main type of energy used by living organisms.
- what happens to proteins when heating, stirring, etc. and the protein bonds break apart.
- A simple sugar that circulates in the blood of animals as blood sugar. It is made during photosynthesis from water and carbon dioxide,
- Compounds that speed up chemical reactions
- protein digesting enzymes in pineapple
Down
- Enzymes which have special shapes that fit the shape of a chemical reactant
- Make two words, ‘photo’, which means light, and ‘synthesis’ which means putting together. It is a process where plants grow and eat by sunlight, carbon dioxide (from the air) and water. Plants breathe in carbon dioxide and out oxygen. People breathe in oxygen and out carbon dioxide.
- In plant cells, Chlorophyll: green pigment that absorbs light energy. This is why plants are green. Stomata: openings on the underside of a leaf that lets: carbon dioxide in. And water out.
- energy, Provides a barrier to all chemical reactions
- A process that converts sugar to acids, gases, or alcohol.
- reaction, a process that leads to the transformation of one set of chemical substances to another.
- Acid, An organic compound. In its solid state, it is white and water-soluble. In its liquid state, it is clear.
- Respiration, An energy system that happens in animal cells..chemical process that uses oxygen to convert chemical energy stored in organic molecules into ATP.
- molecules that increase the rate (catalyze) chemical reaction
16 Clues: protein digesting enzymes in pineapple • Compounds that speed up chemical reactions • Cycle, takes place in the mitochondrial matrix • energy, Provides a barrier to all chemical reactions • A process that converts sugar to acids, gases, or alcohol. • molecules that increase the rate (catalyze) chemical reaction • ...
Science lab Vocabulary Crossword 2023-10-17
Across
- a solid formed by a change in a solution, often due to a chemical reaction or change in temperature
- A change that occurs when one or more substances change into entirely new substances with different properties
- A representation of a chemical reaction using symbols of the elements to indicate the amount of substance of each reactant and productChemical Reaction: happens when two or more substances combine in ways that make new substances form that have different properties from the beginning materials
- States that the mass of an object, or collection of objects new changes, no matter how the parts are rearranged
Down
- A change of matter from one form to another without a change in chemical properties; only physical changes
- Happens when two or more substances combine in ways that make new substances form that have different properties from the beginning materials
- a substance or molecule that is formed in a chemical reaction; the final output
- a substance or molecule that participates in a chemical reaction; the ingredients that you start with
8 Clues: a substance or molecule that is formed in a chemical reaction; the final output • a solid formed by a change in a solution, often due to a chemical reaction or change in temperature • a substance or molecule that participates in a chemical reaction; the ingredients that you start with • ...
Matter Part 2 2020-07-26
Across
- tending to vaporize easily
- a unit of energy equal to 3.6 million joules
- a substance composed of two or more different types of atoms or molecules combined in variable proportions
- an initial substance in a chemical reaction, represented on the left side of a chemical equation
- two or more atoms joined in a specific arrangement by chemical bonds
- the result of a force acting on a distance
- a law stating that energy can be neither created nor destroyed
- a substance composed of only one type of atom or molecule
Down
- a change in which matter does not change its composition, even though its appearance might change
- the energy of a body that is associated with its position or the arrangement of it parts
- energy associated with the motion of an object
- a property that a substance displays without changing its composition
- a characteristic we use to distinguish one substance from another
- a final substance produced in a chemical reaction; represented on the right side of a chemical equation
- a type of kinetic energy associated with the temperature-dependent random movement of atoms and molecules
- anything that occupies space and has mass
- one of the three forms in which matter can exist; solid, liquid, and gas
- a state of matter in which atoms or molecules are packed close to each other but are free to move around and by each other
- a state of matter in which atoms or molecules are packed close to each other in fixed locations
19 Clues: tending to vaporize easily • anything that occupies space and has mass • the result of a force acting on a distance • a unit of energy equal to 3.6 million joules • energy associated with the motion of an object • a substance composed of only one type of atom or molecule • a law stating that energy can be neither created nor destroyed • ...
Chemical Reactions 2024-10-15
Across
- A solid formed by a change in solution, often due to a chemical reaction or change in temperature.
- A change of matter from one form to another without a change on chemical properties: only physical changes.
- A representation of chemical reaction using symbols of the elements to indicate the amount of substance of each reactant and product.
- A substance or molecule that participates in a chemical reaction; the ingredients that you start with.
Down
- when two or more substances combine in ways that make a new substance that have different properties from the first substances.
- states that the mass of an object, or collection of objects new changes, no matter how the parts are rearranged.
- When one or more substance changes to a new substance with different properties.
- A substance or molecule that is formed in a chemical reaction; the final output.
8 Clues: When one or more substance changes to a new substance with different properties. • A substance or molecule that is formed in a chemical reaction; the final output. • A solid formed by a change in solution, often due to a chemical reaction or change in temperature. • ...
Chemistry 12 Thermochemistry Crossword 2014-04-11
Across
- H The symbol used to represent enthalpy
- The system and surrounds combined
- The study of heat changes in chemical reactions
- The quantity equal to the total heat content of a system
- This kind of reaction uses heat
- A set of interacting parts which form a whole
- The measure of the kinetic energy of particles
Down
- The power derived from the utilization of physical or chemical resourcs
- The set of parts around a system
- This kind of reaction produces heat
- This states that the heat evolved or absorbed in a chemical process is the same whether the process takes place in one or in several steps.
11 Clues: This kind of reaction uses heat • The set of parts around a system • The system and surrounds combined • This kind of reaction produces heat • H The symbol used to represent enthalpy • A set of interacting parts which form a whole • The measure of the kinetic energy of particles • The study of heat changes in chemical reactions • ...
Chapter 2:Section 2 2017-08-31
Across
- shown on the right side of a chemical equation. New compounds that are formed
- shown on the left side of a chemical equation
- the amount of energy needed to start a reaction
- reactant gains electrons
Down
- reduce the amount of activation energy needed to start a reaction
- a reactant loses electrons
- one or more substances change to produce one or more different substances
- ability to do work
- protein or RNA molecule that speeds up reactions without being permanently changed or destroyed
- all chemical reactions that occur in an organism
10 Clues: ability to do work • reactant gains electrons • a reactant loses electrons • shown on the left side of a chemical equation • the amount of energy needed to start a reaction • all chemical reactions that occur in an organism • reduce the amount of activation energy needed to start a reaction • one or more substances change to produce one or more different substances • ...
Chapter 2:Section 2 2017-08-31
Across
- reactant gains electrons
- shown on the right side of a chemical equation. New compounds that are formed
- the amount of energy needed to start a reaction
- reduce the amount of activation energy needed to start a reaction
Down
- one or more substances change to produce one or more different substances
- shown on the left side of a chemical equation
- a reactant loses electrons
- ability to do work
- protein or RNA molecule that speeds up reactions without being permanently changed or destroyed
- all chemical reactions that occur in an organism
10 Clues: ability to do work • reactant gains electrons • a reactant loses electrons • shown on the left side of a chemical equation • the amount of energy needed to start a reaction • all chemical reactions that occur in an organism • reduce the amount of activation energy needed to start a reaction • one or more substances change to produce one or more different substances • ...
Jayden Reilly 2022-03-08
Across
- the number between the theoretical and actual yield
- The placed before the variable
- another unit of measurement used in chemical reactions and can be found in the periodic table
- the element or mass used in the equation
- 6.12 x 10*23
Down
- Chemicals and symbols along with is subscripts
- the real amount of products after the reaction occurs
- unit of measurement used in chemical reactions
- The mass of one mole of a substance
- The study of the relationship between reactants and products through out the chemical reaction
10 Clues: 6.12 x 10*23 • The placed before the variable • The mass of one mole of a substance • the element or mass used in the equation • Chemicals and symbols along with is subscripts • unit of measurement used in chemical reactions • the number between the theoretical and actual yield • the real amount of products after the reaction occurs • ...
Giselle Destouche 2022-03-08
Across
- the substance that will be used up first in a chemical reaction
- number - number of units in one mole of any substance
- yield- The maximum amount of product that can be produced based on the limiting reactant
- formula - the lowest whole number ratio within a compound of elements
- ratio - is to compare three or more things
Down
- - the study of ratios within chemical reactions
- - multiple of an empirical formula
- - the mass of a substance
- allows you to convert from one substance to another
- - substance that will be used up in a chemical reaction
10 Clues: - the mass of a substance • - multiple of an empirical formula • ratio - is to compare three or more things • - the study of ratios within chemical reactions • allows you to convert from one substance to another • number - number of units in one mole of any substance • - substance that will be used up in a chemical reaction • ...
chemistry words 2022-02-24
Across
- nonmetallic elements that has some metal characteristics
- central part of an atom made of protons an neutrons determines mass
- shows how many atoms of an element are present i a molecule
- subatomic particle with a positive electrical charge located in the nucleus
- the number of protons in the nucleus
- substance that cannot be broken down or changed
Down
- representation of a chemical reaction of using symbols of substances
- the smallest part of chemical elements
- column of elements on the periodic table
- substance formed as a result of a chemical reaction
10 Clues: the number of protons in the nucleus • the smallest part of chemical elements • column of elements on the periodic table • substance that cannot be broken down or changed • substance formed as a result of a chemical reaction • nonmetallic elements that has some metal characteristics • shows how many atoms of an element are present i a molecule • ...
Intro to matter 2013-11-07
Across
- burning a match is this type of change
- a chemical reaction that absorbs energy (often feels cold)
- melting an ice cube is this type of change
- this is what everything is made of
- how much matter is in a particular space
- how much space an object takes up
Down
- a chemical reaction that releases energy (often gives off heat)
- the measurement of the effect of gravity on an object
- a combination of things that cannot be separated because they are chemically combined
- a combination of things that can be separated
10 Clues: how much space an object takes up • this is what everything is made of • burning a match is this type of change • how much matter is in a particular space • melting an ice cube is this type of change • a combination of things that can be separated • the measurement of the effect of gravity on an object • a chemical reaction that absorbs energy (often feels cold) • ...
Cell Metabolism 2013-10-22
Across
- A chemical agent that speeds up a reaction without being consumed by the reaction
- the study of how energy flows through living organisms
- Complex molecules that promote chemical reactions within cells
- The study of energy transformations that occur in a collection of matter
- The buildup of larger molecules from smaller molecule
Down
- The breakdown of larger molecules to smaller molecules
- This molecule is composed of ribose, adenine, and a chain of three phosphate groups
- The capacity to cause change
- Sequence of enzyme-controlled reactions
- The total of an organism's chemical reactions
10 Clues: The capacity to cause change • Sequence of enzyme-controlled reactions • The total of an organism's chemical reactions • The buildup of larger molecules from smaller molecule • The breakdown of larger molecules to smaller molecules • the study of how energy flows through living organisms • Complex molecules that promote chemical reactions within cells • ...
Salts 2014-07-06
Across
- name of the solid formed when two solutions mix
- a chemical reaction between hydrogen ions of an acid and hydroxide ions in an alkali
- when a solute will dissolve into a solvent, it is described as ....
- a soluble base
- examples for this are metal oxides and metal carbonates
Down
- a method used to remove pollutants from water
- a chemical with a pH below 7
- a chemical that changes colour when the pH changes
- when a solute does not dissolve it is .....
- in a neutralisation reaction water and a metal .... is formed
10 Clues: a soluble base • a chemical with a pH below 7 • when a solute does not dissolve it is ..... • a method used to remove pollutants from water • name of the solid formed when two solutions mix • a chemical that changes colour when the pH changes • examples for this are metal oxides and metal carbonates • in a neutralisation reaction water and a metal .... is formed • ...
Chemistry Unit 2 2025-04-02
Across
- transfer of thermal energy between two bodies
- change from liquid to gas
- process of measuring the amount of heat involved in a chemical or physical process
- change from gas to liquid
- ______ process: chemical reaction or physical change that absorbs heat
Down
- change from liquid to solid
- study of measuring the amount of heat absorbed or released during a chemical reaction or a physical change
- all matter other than the system being studied
- capacity to supply heat or do work
- sum of a system’s internal energy and the mathematical product of its pressure and volume
10 Clues: change from liquid to gas • change from gas to liquid • change from liquid to solid • capacity to supply heat or do work • transfer of thermal energy between two bodies • all matter other than the system being studied • ______ process: chemical reaction or physical change that absorbs heat • ...
6b vocabulary 2017-04-06
Across
- Physical changes occur when objects or substances undergo a change that changes the physical form of a composition but not the chemical composition.
- Chemical changes occur when a substance combines with another to form a new substance, called synthesis or, alternatively, decomposes into two or more different substances. These processes are called chemical reactions and, in general, are not reversible except by further chemical reactions
- the result of a chemical reaction
- The alkali metals are a group of elements in the periodic table. They are all in the first column of the periodic table. They are extremely reactive
- The noble gases make a group of chemical elements with similar properties. Under standard conditions, they are all odorless, colorless, monatomic gases with very low chemical reactivity. The six noble gases that occur naturally are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and the radioactive radon (Rn).
- An electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms.
- A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds.
Down
- a substance that takes part in and undergoes change during a reaction
- The law of conservation of mass or principle of mass conservation states that for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time, as system mass cannot change quantity if it is not added or removed. Hence, the quantity of mass is "conserved" over time.
- A chemical equation is the symbolic representation of a chemical reaction in the form of symbols and formulas
- A chemical formula is a way of expressing information about the proportions of atoms that constitute a particular chemical compound, using a single line of chemical element symbols, numbers, and sometimes also other symbols, such as parentheses, dashes, brackets, commas and plus (+) and minus (−) signs
11 Clues: the result of a chemical reaction • a substance that takes part in and undergoes change during a reaction • A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds. • An electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms. • ...
Unit 6b vocal Vincent dagata 2017-04-06
Across
- a substance that takes part in and undergoes change during a reaction.
- Chemical changes occur when a substance combines with another to form a new substance, called synthesis or, alternatively, decomposes into two or more different substances. These processes are called chemical reactions and, in general, are not reversible except by further chemical reactions.
- The alkali metals are a group of elements in the periodic table. They are all in the first column of the periodic table. They are extremely reactive.
- An electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms.
- Physical changes occur when objects or substances undergo a change that changes the physical form of a composition but not the chemical composition.
- A chemical formula is a way of expressing information about the proportions of atoms that constitute a particular chemical compound, using a single line of chemical element symbols, numbers, and sometimes also other symbols, such as parentheses, dashes, brackets, commas and plus (+) and minus (−) signs.
Down
- A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds.
- The law of conservation of mass or principle of mass conservation states that for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time, as system mass cannot change quantity if it is not added or removed. Hence, the quantity of mass is "conserved" over time.
- The noble gases make a group of chemical elements with similar properties. Under standard conditions, they are all odorless, colorless, monatomic gases with very low chemical reactivity. The six noble gases that occur naturally are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and the radioactive radon (Rn).
- A chemical equation is the symbolic representation of a chemical reaction in the form of symbols and formulas.
- the result of a chemical reaction.
11 Clues: the result of a chemical reaction. • a substance that takes part in and undergoes change during a reaction. • A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds. • An electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms. • ...
Unit 6B voucab 2017-04-04
Across
- The noble gases make a group of chemical elements with similar properties. Under standard conditions, they are all odorless, colorless, monatomic gases with very low chemical reactivity. The six noble gases that occur naturally are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and the radioactive radon (Rn).
- Chemical changes occur when a substance combines with another to form a new substance, called synthesis or, alternatively, decomposes into two or more different substances. These processes are called chemical reactions and, in general, are not reversible except by further chemical reactions.
- the result of a chemical reaction.
- An electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms.
- A chemical formula is a way of expressing information about the proportions of atoms that constitute a particular chemical compound, using a single line of chemical element symbols, numbers, and sometimes also other symbols, such as parentheses, dashes, brackets, commas and plus (+) and minus (−) signs.
Down
- The law of conservation of mass or principle of mass conservation states that for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time, as system mass cannot change quantity if it is not added or removed. Hence, the quantity of mass is "conserved" over time.
- a substance that takes part in and undergoes change during a reaction.
- Physical changes occur when objects or substances undergo a change that changes the physical form of a composition but not the chemical composition.
- A chemical equation is the symbolic representation of a chemical reaction in the form of symbols and formulas.
- The alkali metals are a group of elements in the periodic table. They are all in the first column of the periodic table. They are extremely reactive.
- A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds.
11 Clues: the result of a chemical reaction. • a substance that takes part in and undergoes change during a reaction. • A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds. • An electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms. • ...
Rates of reaction 2025-09-21
Across
- Chemical reactions are fastest at the ___________ because there are plenty of reactant particles to collide with one another.
- Increasing the ___________________ by making the reactants powders rather than a large lump, increases the rate of reaction.
- Chemical reactions ___________ when one of the reactants has been used up.
- Increasing the temperature of a reaction gives the particles more ___________ so they collide with more force and more frequently.
- The chemicals that are made during the reaction.
- Particles must do this in order for them to react.
Down
- When a collision between particles leads to a reaction we call it a ____________ collision.
- The chemicals that take part in the reaction.
- Increasing the ______________ makes the particles move faster and collide more frequently so increases the rate of reaction.
9 Clues: The chemicals that take part in the reaction. • The chemicals that are made during the reaction. • Particles must do this in order for them to react. • Chemical reactions ___________ when one of the reactants has been used up. • When a collision between particles leads to a reaction we call it a ____________ collision. • ...
Chapter 2 Vocab Crossword Puzzle 2013-08-28
Across
- molecular sub-unit of a polymer
- two or more atoms held together by covalent bonds, not necessarily a compound
- attraction between molecules of the same substance
- substance that is changed by a chemical reaction
- measurement of acidity; related to free hydrogen ion concentration in a solution
- mixture that is consistent throughout; also called a homogeneous mixture
- smallest basic unit of matter
Down
- substance that dissolves in a solvent and is present at a lower concentration in a solution
- large, carbon-based molecule formed by monomers
- substance formed by a chemical reaction
- compound that accepts a proton when dissolved in a solution
- substance made of atoms of different elements that are bonded together in a particular ratio
- atom that has gained or lost one or more electrons
- substance in which solutes dissolve and that is present in greatest concentration in a solution
- attraction between molecules of different substances
- compound that donates a proton when dissolves in a solution
- substance made of only one type of atom that cannot be broken down by chemical means
17 Clues: smallest basic unit of matter • molecular sub-unit of a polymer • substance formed by a chemical reaction • large, carbon-based molecule formed by monomers • substance that is changed by a chemical reaction • atom that has gained or lost one or more electrons • attraction between molecules of the same substance • attraction between molecules of different substances • ...
Unit 6B vocab 2017-04-06
Across
- A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds.
- An electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms.
- Chemical changes occur when a substance combines with another to form a new substance, called synthesis or, alternatively, decomposes into two or more different substances. These processes are called chemical reactions and, in general, are not reversible except by further chemical reactions.
- The law of conservation of mass or principle of mass conservation states that for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time, as system mass cannot change quantity if it is not added or removed. Hence, the quantity of mass is "conserved" over time.
- The alkali metals are a group of elements in the periodic table. They are all in the first column of the periodic table. They are extremely reactive.
- a substance that takes part in and undergoes change during a reaction.
- Physical changes occur when objects or substances undergo a change that changes the physical form of a composition but not the chemical composition.
Down
- A chemical formula is a way of expressing information about the proportions of atoms that constitute a particular chemical compound, using a single line of chemical element symbols, numbers, and sometimes also other symbols, such as parentheses, dashes, brackets, commas and plus (+) and minus (−) signs.
- A chemical equation is the symbolic representation of a chemical reaction in the form of symbols and formulas.
- The noble gases make a group of chemical elements with similar properties. Under standard conditions, they are all odorless, colorless, monatomic gases with very low chemical reactivity. The six noble gases that occur naturally are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and the radioactive radon (Rn).
- the result of a chemical reaction.
11 Clues: the result of a chemical reaction. • a substance that takes part in and undergoes change during a reaction. • A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds. • An electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms. • ...
Unit 6B Vocab 2017-04-12
Across
- a substance that takes part in and undergoes change during a reaction.
- The law of conservation of mass or principle of mass conservation states that for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time, as system mass cannot change quantity if it is not added or removed. Hence, the quantity of mass is "conserved" over time.
- The alkali metals are a group of elements in the periodic table. They are all in the first column of the periodic table. They are extremely reactive.
- Physical changes occur when objects or substances undergo a change that changes the physical form of a composition but not the chemical composition.
- the result of a chemical reaction.
Down
- A chemical formula is a way of expressing information about the proportions of atoms that constitute a particular chemical compound, using a single line of chemical element symbols, numbers, and sometimes also other symbols, such as parentheses, dashes, brackets, commas and plus (+) and minus (−) signs.
- The noble gases make a group of chemical elements with similar properties. Under standard conditions, they are all odorless, colorless, monatomic gases with very low chemical reactivity. The six noble gasses that occur naturally are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and the radioactive radon (Rn).
- Chemical changes occur when a substance combines with another to form a new substance, called synthesis or, alternatively, decomposes into two or more different substances. These processes are called chemical reactions and, in general, are not reversible except by further chemical reactions.
- An electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms.
- A chemical equation is the symbolic representation of a chemical reaction in the form of symbols and formulas.
- A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds.
11 Clues: the result of a chemical reaction. • a substance that takes part in and undergoes change during a reaction. • A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds. • An electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms. • ...
Maddi`s Crossword 2017-04-03
Across
- Chemical changes occur when a substance combines with another to form a new substance, called synthesis or, alternatively, decomposes into two or more different substances. These processes are called chemical reactions and, in general, are not reversible except by further chemical reactions
- Is the law of conservation of mass or principle of mass conservation states that for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time, as system mass cannot change quantity if it is not added or removed. Hence, the quantity of mass is "conserved" over time
- A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds.
- Is a substance that takes part in and undergoes change during a reaction
Down
- Is the result of a chemical reaction
- Physical changes occur when objects or substances undergo a change that changes the physical form of a composition but not the chemical composition
- Is a chemical formula is a way of expressing information about the proportions of atoms that constitute a particular chemical compound, using a single line of chemical element symbols, numbers, and sometimes also other symbols, such as parentheses, dashes, brackets, commas and plus (+) and minus (−) signs
- Is a chemical equation is the symbolic representation of a chemical reaction in the form of symbols and formulas
- Is the alkali metals are a group of elements in the periodic table. They are all in the first column of the periodic table. They are extremely reactive.
- Is an electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms.
- It makes a group of chemical elements with similar properties. Under standard conditions, they are all odorless, colorless, monatomic gases with very low chemical reactivity. The six noble gases that occur naturally are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and the radioactive radon (Rn)
11 Clues: Is the result of a chemical reaction • Is a substance that takes part in and undergoes change during a reaction • A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds. • Is an electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms. • ...
6B Vocab- Zander 2017-04-05
Across
- Chemical changes occur when a substance combines with another to form a new substance, called synthesis or, alternatively, decomposes into two or more different substances. These processes are called chemical reactions and, in general, are not reversible except by further chemical reactions.
- A chemical equation is the symbolic representation of a chemical reaction in the form of symbols and formulas.
- The noble gases make a group of chemical elements with similar properties. Under standard conditions, they are all odorless, colorless, monatomic gases with very low chemical reactivity. The six noble gases that occur naturally are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and the radioactive radon (Rn).
Down
- The law of conservation of mass or principle of mass conservation states that for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time, as system mass cannot change quantity if it is not added or removed. Hence, the quantity of mass is "conserved" over time.
- A chemical formula is a way of expressing information about the proportions of atoms that constitute a particular chemical compound, using a single line of chemical element symbols, numbers, and sometimes also other symbols, such as parentheses, dashes, brackets, commas and plus (+) and minus (−) signs.
- Physical changes occur when objects or substances undergo a change that changes the physical form of a composition but not the chemical composition.
- An electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms.
- The result of a chemical reaction.
- A substance that takes part in and undergoes change during a reaction.
- The alkali metals are a group of elements in the periodic table. They are all in the first column of the periodic table. They are extremely reactive.
- A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds.
11 Clues: The result of a chemical reaction. • A substance that takes part in and undergoes change during a reaction. • A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds. • An electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms. • ...
Unit 6B chris foster vocab (890) 2017-04-03
Across
- Physical changes occur when objects or substances undergo a change that changes the physical form of a composition but not the chemical composition.
- An electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms.
- A chemical equation is the symbolic representation of a chemical reaction in the form of symbols and formulas.
- The alkali metals are a group of elements in the periodic table. They are all in the first column of the periodic table. They are extremely reactive.
Down
- the result of a chemical reaction.
- The noble gases make a group of chemical elements with similar properties. Under standard conditions, they are all odorless, colorless, monatomic gases with very low chemical reactivity. The six noble gases that occur naturally are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and the radioactive radon (Rn).
- The law of conservation of mass or principle of mass conservation states that for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time, as system mass cannot change quantity if it is not added or removed. Hence, the quantity of mass is "conserved" over time.
- A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds.
- A chemical formula is a way of expressing information about the proportions of atoms that constitute a particular chemical compound, using a single line of chemical element symbols, numbers, and sometimes also other symbols, such as parentheses, dashes, brackets, commas and plus (+) and minus (−) signs.
- Chemical changes occur when a substance combines with another to form a new substance, called synthesis or, alternatively, decomposes into two or more different substances. These processes are called chemical reactions and, in general, are not reversible except by further chemical reactions.
- a substance that takes part in and undergoes change during a reaction.
11 Clues: the result of a chemical reaction. • a substance that takes part in and undergoes change during a reaction. • A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds. • An electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms. • ...
Chemical Magic By Paddy 2021-05-06
Across
- the smallest particle of a chemical element
- allowing liquids or gases to pass through it
- not able to be undone or altered
- make something different
- able to be dissolved
- In a chemical reaction, matter is neither created nor destroyed
- an attribute, quality, or characteristic of something
- a group of atoms bonded together
- not able to be changed or adapted
Down
- a distinct compound or substance
- a minute portion of matter
- turning from liquid into vapour
- become incorporated into a liquid
- tangible or concrete
- a substance that has space and volume
- a large body of matter with no definite shape.
- incapable of being dissolved
- capable of being reversed
18 Clues: tangible or concrete • able to be dissolved • make something different • capable of being reversed • a minute portion of matter • incapable of being dissolved • turning from liquid into vapour • a distinct compound or substance • not able to be undone or altered • a group of atoms bonded together • become incorporated into a liquid • not able to be changed or adapted • ...
Chemistry Unit Study Guide 2016-02-10
Across
- table of elements
- elements that make up group 18
- one or more elements alike
- smallest part of element
- smallest part of substance
- total of protons and neutrons
- full outer shell
- a mixture of elements
- no charge
- abbreviation for the element
- positive charge
- core of atom
- element the property of shiny
- is a reaction that acres
Down
- positive charge
- energy can't be destroyed
- creates ice
- a deadly chemical
- element that lacks most
- creates heat
- number of protons in nucleus
- made the periodic table
- substance that is formed
- an atoms shel
- cannot be chemically broken
- substance that is changed
26 Clues: no charge • creates ice • creates heat • core of atom • an atoms shel • positive charge • positive charge • full outer shell • table of elements • a deadly chemical • a mixture of elements • element that lacks most • made the periodic table • smallest part of element • substance that is formed • is a reaction that acres • energy can't be destroyed • substance that is changed • ...
Crossword 2024-09-17
Across
- หน่วยโครงสร้างพื้นฐานของโปรตีน ประกอบด้วยหมู่อะมิโน และหมู่กรดคาร์บอกซิลิก
- สารอาหารสำคัญที่สร้างจากกรดอะมิโน ช่วยในการซ่อมแซมและสร้างเนื้อเยื่อในร่างกาย
- สารที่แยกตัวออกมาในรูปของแข็งจากสารละลาย
- ปฏิกิริยาที่สารประกอบแตกตัวเป็นสารใหม่ที่ง่ายกว่า
- สารที่เกิดขึ้นจากปฏิกิริยาเคมี
- สารที่ช่วยลดการเกิดปฏิกิริยาออกซิเดชันในร่างกาย ซึ่งอาจทำลายเซลล์
- สารประกอบที่เกิดจากการรวมกันของกรดกับแอลกอฮอล์ มีกลิ่นหอม ใช้ในอุตสาหกรรมเครื่องหอมและสารแต่งกลิ่น
- กระบวนการแยกสารประกอบด้วยกระแสไฟฟ้า
- สารประกอบที่เกิดจากการเชื่อมต่อของโมเลกุลเล็กๆ ซ้ำๆ กัน เช่น พลาสติก
- สารที่มีรสเปรี้ยว สามารถปล่อยไฮโดรเจนไอออนในสารละลาย
- สถานะที่ปฏิกิริยาไปข้างหน้าและย้อนกลับเกิดขึ้นพร้อมกันในอัตราเท่ากัน
- ปฏิกิริยาที่เกิดขึ้นพร้อมกันทั้งการออกซิเดชันและการรีดักชัน
- สารที่เพิ่มความเร็วของปฏิกิริยาเคมีโดยไม่ถูกเปลี่ยนแปลงในกระบวนการ
- สารประกอบเคมีที่มีหมู่ไฮดรอกซิล เช่น เอทานอล
- การสูญเสียอิเล็กตรอนหรือการรวมตัวกับออกซิเจนในปฏิกิริยาเคมี
- การแยกนิวเคลียสอะตอมออกเป็นสองส่วนและปลดปล่อยพลังงาน
- สารที่เข้าร่วมในปฏิกิริยาเคมี
- กรดที่เกิดจากไขมัน ประกอบด้วยหมู่กรดคาร์บอกซิลิกและสายคาร์บอน
Down
- กระบวนการที่สารตั้งต้นเปลี่ยนไปเป็นผลิตภัณฑ์ใหม่
- กระบวนการรวมตัวของนิวเคลียสอะตอมเพื่อเกิดเป็นอะตอมใหม่และปลดปล่อยพลังงาน
- กระบวนการที่อะตอมหรือโมเลกุลเปลี่ยนไปเป็นไอออนโดยการเพิ่มหรือลดอิเล็กตรอน
- ปฏิกิริยาที่สารสองหรือมากกว่ามารวมกันเป็นสารประกอบใหม่
- สารที่ใช้ทำความสะอาด เช่น น้ำยาล้างจานและผงซักฟอก
- พอลิเมอร์ชนิดหนึ่งที่มีลักษณะยืดหยุ่น สามารถหล่อเป็นรูปร่างต่างๆ ได้
- สารอาหารประเภทน้ำตาลและแป้ง เป็นแหล่งพลังงานหลักของร่างกาย
- สารประกอบเคมีที่ประกอบด้วยธาตุไฮโดรเจนและคาร์บอนเท่านั้น เช่น มีเทน
- กระบวนการที่ธาตุกัมมันตรังสีสลายตัวไปเป็นธาตุใหม่และปล่อยรังสี
- เบสที่สามารถละลายในน้ำได้ เช่น โซเดียมไฮดรอกไซด์
- สารที่สามารถรับไฮโดรเจนไอออนหรือปล่อยไฮดรอกไซด์ไอออนในสารละลาย
- ปฏิกิริยาระหว่างกรดกับเบสที่ทำให้เกิดเกลือและน้ำ
- สารที่แตกตัวเป็นไอออนในสารละลายและสามารถนำไฟฟ้าได้ เช่น โซเดียมคลอไรด์
- สารประกอบที่เกิดจากปฏิกิริยาระหว่างกรดและเบส เช่น เกลือแกง
- ปฏิกิริยาที่สารรวมตัวกับออกซิเจนและปล่อยพลังงานออกมาในรูปของความร้อนและแสง
- การได้รับอิเล็กตรอนหรือการลดออกซิเจนในปฏิกิริยาเคมี
- น้ำตาลชนิดหนึ่งที่เป็นแหล่งพลังงานหลักของร่างกาย
- เวลาที่ใช้ให้ธาตุกัมมันตรังสีลดลงครึ่งหนึ่งจากปริมาณเริ่มต้น
- อะตอมของธาตุเดียวกันที่มีจำนวนโปรตอนเท่ากัน แต่จำนวนนิวตรอนต่างกัน
- สารอาหารที่ร่างกายต้องการในปริมาณน้อย เพื่อช่วยในการทำงานของระบบต่างๆ ในร่างกาย
- โปรตีนที่ทำหน้าที่เร่งปฏิกิริยาเคมีในสิ่งมีชีวิต
- สารที่ใช้สำหรับทำความสะอาด ประกอบด้วยเกลือของกรดไขมัน
40 Clues: สารที่เข้าร่วมในปฏิกิริยาเคมี • สารที่เกิดขึ้นจากปฏิกิริยาเคมี • กระบวนการแยกสารประกอบด้วยกระแสไฟฟ้า • สารที่แยกตัวออกมาในรูปของแข็งจากสารละลาย • สารประกอบเคมีที่มีหมู่ไฮดรอกซิล เช่น เอทานอล • กระบวนการที่สารตั้งต้นเปลี่ยนไปเป็นผลิตภัณฑ์ใหม่ • เบสที่สามารถละลายในน้ำได้ เช่น โซเดียมไฮดรอกไซด์ • ปฏิกิริยาระหว่างกรดกับเบสที่ทำให้เกิดเกลือและน้ำ • ...
Science Crossword 2023-12-05
Across
- Very brittle
- An object at rest
- Have a negative charge
- Neutral/no charge
- Conduct Electricity
- How many times do you count an element
- An object in motion
- Distance/time
- Where electrons live
- Motion based on acceleration
Down
- Speed with a direction
- In columns on the periodic table
- How fast something goes
- Have a positive charge
- How fast something is speeding up
- Every action has an opposite and equal reaction
- Evidence of a Chemical Reaction
- An object in motion stays in motion
- How many times you count the formula
- In rows on the periodic table
20 Clues: Very brittle • Distance/time • An object at rest • Neutral/no charge • Conduct Electricity • An object in motion • Where electrons live • Speed with a direction • Have a positive charge • Have a negative charge • How fast something goes • Motion based on acceleration • In rows on the periodic table • Evidence of a Chemical Reaction • In columns on the periodic table • ...
CHEMISTRY COMES ALIVE 2024-09-13
Across
- substances that react.
- heterogeneous mixtures with large, often visible solute particles that tend to settle out.
- state in which for each molecule of product formed, one product molecule breaks down, releasing the reactants.
- negatively charged subatomic particles with a mass of 0 amu
- reaction occurs when a molecule is broken down into smaller molecules or its constituent atom.
- are substances composed of two or more components physically intermixed
- noble gas configuration with eight electrons on the valence shell
- regions around the nucleus in which a given electron or electron pair is likely to be found most of the time
- number the number of protons and electrons in a atom
- when atoms or molecules combine to form a larger, more complex molecule.
- reactions that release energy
- similar in composition.
- substances that conduct an electrical current in solution
- unique substances that cannot be broken down into simpler substances by ordinary chemical methods
- an average of the relative weights (mass numbers) of all the isotopes of an element, taking into account their relative abundance in nature
- a displacement reaction to form water and a salt.
- a combination of two or more atoms held together by chemical bonds
- substances that increase the rate of chemical reactions without themselves becoming chemically changed or part of the product.
- model of an atom in which electrons circle the nucleus like planets circle the sun
- energy stored or still energy
- a substance made from two or more different elements that have been chemically joined
- positively charged subatomic particles with a mass of 1 amu
- are homogeneous mixtures with the smallest solute particles
- bonds formed when valence electrons are started between atoms.
- level the energy an electron has / the energy an electron has above ground state
Down
- An unstable form of a chemical element that releases radiation as it breaks down and becomes more stable.
- polymers of simple sugars linked together by dehydration synthesis
- covalent bonds with equal sharing of electrons and charge-balanced among atoms
- the simplest carbohydrates/sugar
- anything that has mass and takes up space
- the tendency of an atom or a functional group to attract electrons toward itself.
- gain of an electron, or the loss of an oxygen, or the gain of a hydrogen
- the sum of the masses of the protons and neutrons of a atom.
- substance produced from reaction.
- a symbol one- or two-letter chemical shorthand that represents a element
- a reaction in which the conversion of reactants to products and the conversion of products to reactants occur simultaneously.
- are heterogeneous mixtures, the solute particles are larger than those in true solutions, but they still do not settle out.
- energy in action
- neutral subatomic particles with a mass of 1 amu
- dissimilar in composition.
- proton acceptor
- occurs whenever chemical bonds are formed, rearranged, or broken.
- loss of an electron or the gain of an oxygen molecule of the loss of a hydrogen
- the basic building blocks of matter
- an atom that tends to lose electrons and form positive ions in chemical reactions.
- covalent bonds with unequal sharing of electrons with a slight negative charge (δ–) at one end of the molecule and, a slight positive charge (δ+) at the other end.
- a structural variant of an element with the same number of protons and electrons but a different number of neutrons
- proteins and other types of molecules that resists pH change on the addition of acidic or basic components.
- bond formed between a metal and a non-metal
- a type of chemical reaction that involves a transfer of electrons between two species where one species is oxidised and the other reduced.
50 Clues: proton acceptor • energy in action • substances that react. • similar in composition. • dissimilar in composition. • reactions that release energy • energy stored or still energy • the simplest carbohydrates/sugar • substance produced from reaction. • the basic building blocks of matter • anything that has mass and takes up space • bond formed between a metal and a non-metal • ...
Chemistry Crossword 2022-11-21
Across
- a charged atom or molecule
- a substance that undergoes a reaction
- two non-metals
- Is also known as a combination
- two or more elements
- An example is NaCl
- When one reactant is broken down into two or more simpler products
- A reaction in which two of the reactants "flip" to form new products
Down
- A reaction in which one reactant switches with another reactant in a compound
- The small number used to balance equations
- the molecules are made up of two atoms: H2
- The small number at the bottom of a symbol
- When a fuel and oxygen mix to form a gas (smoke)
- the result of a chemical reaction
14 Clues: two non-metals • An example is NaCl • two or more elements • a charged atom or molecule • Is also known as a combination • the result of a chemical reaction • a substance that undergoes a reaction • The small number used to balance equations • the molecules are made up of two atoms: H2 • The small number at the bottom of a symbol • ...
Chemistry Fun 2024-03-27
Across
- chemical elements organized
- molecule with an electron or lost
- widely used metal
- electron outermost shell
- substance with shiny appearance and good conductors of heat and electricity
- colorless gas
Down
- average movement of energy
- a chemical interacts with another chemical creating a new chemical.
- a group of atoms bonded together
- Measure of an object
10 Clues: colorless gas • widely used metal • Measure of an object • electron outermost shell • average movement of energy • chemical elements organized • a group of atoms bonded together • molecule with an electron or lost • a chemical interacts with another chemical creating a new chemical. • substance with shiny appearance and good conductors of heat and electricity
Chapter 9, L.4 Vocabulary - 7th Grade Science 2020-11-12
Across
- a reaction that absorbs energy
- a solid that forms from a solution during a chemical reaction
- a change that alters the form or appearance of a material but does not make the material into another substance
- a substance formed as a result of a chemical reaction
Down
- a change in which one or more substances combine or break apart to form new substances
- a reaction that releases energy, usually in the form of heat
- a substance that enters into a chemical reaction
7 Clues: a reaction that absorbs energy • a substance that enters into a chemical reaction • a substance formed as a result of a chemical reaction • a reaction that releases energy, usually in the form of heat • a solid that forms from a solution during a chemical reaction • a change in which one or more substances combine or break apart to form new substances • ...
physical and chemical change 2022-01-26
Across
- a mixture in which the composition is uniform throughout the mixture.
- a property that depends on the amount of matter in a sample.
- has a fixed chemical composition throughout
- every definite compound always contains the same elements in the same proportions
- firm and stable in shape; not liquid or fluid.
- mass in an isolated system is neither created nor destroyed by chemical reactions or physical transformations.
- is composed of two or more separate elements
- a substance made by mixing other substances together.
- one of the distinct forms in which matter can exist.
- a law stating that the volume of an ideal gas at constant pressure is directly proportional to the absolute temperature.
- a characteristic of a particular substance that can be observed in a chemical reaction.
- a state that flows freely but is of constant volume.
- chemical reaction involving the rearrangement of the atoms of one or more substances
- a substance that has mass and takes up space.
- a law stating that equal volumes of gases at the same temperature and pressure contain equal numbers of molecules.
- The physical process where matter moves from one state to another.
- a law stating that the pressure of a given mass of an ideal gas is inversely proportional to its volume at a constant temperature.
- Law that states a gas pressure x volume x temperature = constant.
- a solid material that is typically hard, shiny, malleable, fusible, and ductile.
- a physical quantity whose value does not depend on the amount of the substance for which it is measured.
- changes affecting the form of a chemical substance, but not its chemical composition.
Down
- mixture consisting of different, distinguishable parts or elements.
- PV=NRT
- a substance diffused or suspended in the air, especially one normally liquid or solid.
- the action or process of filtering something.
- quantity of matter in a physical body.
- the separation of a mixture into its components.
- when two chemical elements combine with each other to form more than one compound
- the action of purifying a liquid by a process of heating and cooling.
- matter not involving in its manifestation a chemical change.
- a law stating that the volumes of gases undergoing a reaction at constant pressure and temperature are in a simple ratio to each other and to that of the product.
- The horizontal rows of the periodic table.
- the basic unit of a chemical element.
- elements with similar chemical properties.
- a table of the chemical elements arranged in order
- a pure substance consisting only of atoms that all have the same numbers of protons.
- they are all odorless, colorless, monatomic gases with very low chemical reactivity.
- the transition of a substance directly from the solid to the gas state.
- an element or substance that is not a metal.
- one way of representing the concentration of an element in a compound or a component in a mixture.
- to form crystals or assume crystalline form.
- matter in a state in which it will expand freely to fill the whole of a container
- an element whose properties are intermediate between those of metals and solid nonmetals or semiconductors
- an ionized gas
44 Clues: PV=NRT • an ionized gas • the basic unit of a chemical element. • quantity of matter in a physical body. • The horizontal rows of the periodic table. • elements with similar chemical properties. • has a fixed chemical composition throughout • is composed of two or more separate elements • an element or substance that is not a metal. • ...
Chemistry Part 1 2015-03-08
Across
- creator of Periodic table
- Pb
- nuetral charge of an atom
- good for teeth and bones
- same number of elements on each side of reaction
- a insoluble solid
- neon
- negative charge of an atom
- gives the number of valence electrons
- Al
- property of an element
Down
- results if chemical reactions
- two liquid reaction
- a molecule
- the Halogens
- last shell electrons
- where the protons and neutrons are
- Ag
- property of an element
- found in various types of solids
- positive charge of an atom
- Fe
- gives the number of shells
- orbits around the nucleus
- atomic number three
25 Clues: Pb • Ag • Fe • Al • neon • a molecule • the Halogens • a insoluble solid • two liquid reaction • atomic number three • last shell electrons • property of an element • property of an element • good for teeth and bones • creator of Periodic table • nuetral charge of an atom • orbits around the nucleus • positive charge of an atom • gives the number of shells • negative charge of an atom • ...
11 - Physical v2021-03-25 2021-03-25
Across
- A collision between reactant particles that has enough energy for a reaction to happen.
- The total area of an object, for example the area of a skydiver's body facing the air as they fall, or the area of a car tyre that touches the road.
- The sequence of reactions needed to produce a desired product from a particular set of raw materials.
- A substance that reacts together with another substance to form products during a chemical reaction.
- The minimum amount of energy that colliding particles must have for them to react.
- A substance that changes the rate of a chemical reaction without being changed by the reaction itself.
Down
- A collision between reactant particles that has enough energy for a reaction to happen.
- A device used for measuring temperature.
- Reaction in which energy is given out to the surroundings. The surroundings then have more energy than they started with so the temperature increases.
- How quickly a chemical is used up or produced.
10 Clues: A device used for measuring temperature. • How quickly a chemical is used up or produced. • The minimum amount of energy that colliding particles must have for them to react. • A collision between reactant particles that has enough energy for a reaction to happen. • A collision between reactant particles that has enough energy for a reaction to happen. • ...
BCE Crossword 2023-04-17
8 Clues: there in everything • After the chemical reaction • Before the chemical reaction • Anything that takes up space • Mass was created or destroyed • Cannot be created or destroyed • Shows a change has taken place • No mass was created or destroyed
chapter 13 crossword-Kristine Hockenberry 2020-10-15
Across
- energy that brakes apart pre-existing atoms/amount of energy requried
- which reaction is AB--->A+B
- Increasing the ________ favors the reaction that obsorves energy
- Which displacment is A+B-->AC+B
Down
- when a reaction and its reverse act at the same rate
- which reaction is A+B--->AB
- During a chemical reaction more than one _______ are formed as result of rearranged atoms
- a ________ is a subtance that lowers the activation energy
- a reaction where there is a net absorbtion of energy
- a reaction where there is a net rulease of energy
10 Clues: which reaction is A+B--->AB • which reaction is AB--->A+B • Which displacment is A+B-->AC+B • a reaction where there is a net rulease of energy • when a reaction and its reverse act at the same rate • a reaction where there is a net absorbtion of energy • a ________ is a subtance that lowers the activation energy • ...
Energy and Metabolism 2022-08-31
Across
- the chemical process in which a substance gains electrons
- any change in the state or motion of matter
- the sum of all the chemical activities taking place in an organism
- the energy of motion
- a measure of unavailable energy in a system (i.e., measure of disorder in a system)
- the chemical process in which a substance loses electrons
- type of reaction that releases energy, leading to a decrease in free energy
Down
- the amount of energy available to do work
- a measure of the total potential energy in a system
- type of reaction that results in products with higher free energy than reactants
- the capacity to do work as a result of position or state (i.e., stored energy)
- includes all the pathways that build complex molecules from simpler molecules
- includes all the pathways that breakdown larger molecules into smaller molecules
- the capacity to do work
14 Clues: the energy of motion • the capacity to do work • the amount of energy available to do work • any change in the state or motion of matter • a measure of the total potential energy in a system • the chemical process in which a substance gains electrons • the chemical process in which a substance loses electrons • ...
Vocab 6B 2017-04-11
Across
- a group of chemical elements with similar properties. Under standard conditions, they are all odorless, colorless, monatomic gases with very low chemical reactivity. The six noble gases that occur naturally are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and the radioactive radon (Rn).
- occur when objects or substances undergo a change that changes the physical form of a composition but not the chemical composition.
- A way of expressing information about the proportions of atoms that constitute a particular chemical compound, using a single line of chemical element symbols, numbers, and sometimes also other symbols, such as parentheses, dashes, brackets, commas and plus (+) and minus (−) signs.
- occur when a substance combines with another to form a new substance, called synthesis or, alternatively, decomposes into two or more different substances. These processes are called chemical reactions and, in general, are not reversible except by further chemical reactions.
- states that for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time, as system mass cannot change quantity if it is not added or removed. Hence, the quantity of mass is "conserved" over time.
Down
- a group of elements in the periodic table. They are all in the first column of the periodic table. They are extremely reactive.
- an outer shell of an atom that can participate in forming chemical bonds with other atoms.
- the symbolic representation of a chemical reaction in the form of symbols and formulas.
- a substance that takes part in and undergoes change during a reaction.
- the result of a chemical reaction.
- A lasting attraction between atoms that enables the formation of chemical compounds.
11 Clues: the result of a chemical reaction. • a substance that takes part in and undergoes change during a reaction. • A lasting attraction between atoms that enables the formation of chemical compounds. • the symbolic representation of a chemical reaction in the form of symbols and formulas. • ...
Science vocab Blake Kline 2017-04-06
Across
- ___________ occur when a substance combines with another to form a new substance, called synthesis or, alternatively, decomposes into two or more different substances. These processes are called chemical reactions and, in general, are not reversible except by further chemical reactions.
- A ________ is the symbolic representation of a chemical reaction in the form of symbols and formulas.
- A _________ is a way of expressing information about the proportions of atoms that constitute a particular chemical compound, using a single line of chemical element symbols, numbers, and sometimes also other symbols, such as parentheses, dashes, brackets, commas and plus (+) and minus (−) signs.
- a __________ is a lasting attraction between atoms that enables the formation of chemical compounds.
- The ________ make a group of chemical elements with similar properties. Under standard conditions, they are all odorless, colorless, monatomic gases with very low chemical reactivity. The six noble gases that occur naturally are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and the radioactive radon (Rn).
Down
- a substance that takes part in and undergoes change during a reaction. 10. Products- the result of a chemical reaction.
- The law of ______ or principle of mass conservation states that for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time, as system mass cannot change quantity if it is not added or removed. Hence, the quantity of mass is "conserved" over time.
- __________ occur when objects or substances undergo a change that changes the physical form of a composition but not the chemical composition.
- An electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms.
- The ___________ are a group of elements in the periodic table. They are all in the
- column of the periodic table. They are extremely reactive.
11 Clues: column of the periodic table. They are extremely reactive. • The ___________ are a group of elements in the periodic table. They are all in the • a __________ is a lasting attraction between atoms that enables the formation of chemical compounds. • A ________ is the symbolic representation of a chemical reaction in the form of symbols and formulas. • ...
Chemical Equations 2021-11-04
Across
- what is the recipe for a substance called that uses element symbols and subscripts
- what occurs when bonds are formed or broken
- what is a simpler easier way to write a chemical reaction
- what are the substances at the end of an equation that are produced from a reaction called
- what law states that matter cannot be created or destroyed during a chemical reaction
Down
- what are the substances at the beginning of an equation that cause the reaction called
- what are the lower numbers to the right of each element in a chemical formula and they tell us how many atoms of each element are needed
- what is the number called that we use to balance a chemical equation and it only increases the number of molecules
8 Clues: what occurs when bonds are formed or broken • what is a simpler easier way to write a chemical reaction • what is the recipe for a substance called that uses element symbols and subscripts • what law states that matter cannot be created or destroyed during a chemical reaction • ...
Vocab 6b by gabby 2017-03-23
Across
- A chemical reaction in which heat is released and usually feels warm when the heat is released from the reaction.
- elements that have some properties of metals and non-metals and are found along the zigzag on the Periodic Table.
- A chemical reaction that requires an input of energy and usually feels cold when it absorbs heat in the reaction.
- horizontal row of elements on the Periodic Table that have the same number of electron
- 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.
- an interaction that holds atoms together.
- electrons on the outermost energy level of an atom that determine the reactivity of
8 Clues: an interaction that holds atoms together. • electrons on the outermost energy level of an atom that determine the reactivity of • horizontal row of elements on the Periodic Table that have the same number of electron • states that matter is neither created nor destroyed in ordinary chemical and physical changes. • ...
Vocab 6B 2017-03-20
Across
- A chemical reaction in which heat is released and usually feels warm when the heat is released from the reaction.
- 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.
- vertical column of elements on the Periodic Table that have similar physical and chemical properties.
Down
- 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.
- 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. • horizontal row of elements on the Periodic Table that have the same number of electron shells. • states that matter is neither created nor destroyed in ordinary chemical and physical changes. • ...
Ayana Tasby-Vocab 6B 2017-03-21
Across
- electrons on the outermost energy level of an atom that determine the reactivity of the atom.
- A chemical reaction that requires an input of energy and usually feels cold when it absorbs heat in the reaction.
Down
- A chemical reaction in which heat is released and usually feels warm when the heat is released from the reaction.
- states that matter is neither created nor destroyed in ordinary chemical and physical changes.
- 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.
- vertical column of elements on the Periodic Table that have similar physical and chemical properties.
- 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. • horizontal row of elements on the Periodic Table that have the same number of electron shells. • ...
6B 2017-03-31
Across
- A chemical reaction in which heat is released and usually feels warm when the heat is released from the reaction
- states that matter is neither created nor destroyed in ordinary chemical and physical changes
- an interaction that holds atoms together
Down
- electrons on the outermost energy level of an atom that determine the reactivity of the atom.
- elements that have some properties of metals and non-metals and are found along the zigzag on the Periodic Table.
- horizontal row of elements on the Periodic Table that have the same number of electron shells.
- 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.
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 • horizontal row of elements on the Periodic Table that have the same number of electron shells. • ...
Unit B definitions 2018-11-21
Across
- metals and non-metals.
- cobalt and nickel
- or absorption of energy (heat)
- -the new materials produced by the
- -is a combination of two or more elements in
- proportions
- of the reaction are called
- -(part pharmacist and part mystic) developed many useful procedures, including
- Mixture -each substance in the mixture is visible
- out
- Metal -are very reactive, electropositive, monovalent metals forming strongly alkaline hydroxides.
- -are not consumed in the reaction. These can be found in living and non-living things.
- is a cloudy mixture in which tiny particles are held
- always equal to the total mass of the products.
- -In-between elements were called having properties of
- types of colloids in which liquids are dispersed in
- of a solid (precipitate) in a liquid
- are reactive nonmetallic elements that form strongly acidic compounds with hydrogen, from which simple salts can be made
- charges, called ions.
- -help in the reactions in the body, which
- change-Change in color
- later was a problem, when more elements were discovered, because they ran out of planets.
Down
- in odour
- are called
- -is a slow chemical change that occurs when oxygen in the air reacts with a
- change lead and copper into gold
- Law of Conservation of Mass- In a chemical reaction, the total mass of the reactants,
- and they described the properties of many different materials. They also thought they
- Cl
- compounds -When non-metals combine, they produce
- down food. They also get rid of poison in the body.
- pure substance called a
- Charges -A superscript ( + ) or a ( – ) are used to indicate the charge. Na+
- with another substance, and can be
- -is also a cloudy mixture, but the particles are so
- metals -the only elements in this group known to produce a magnetic field are
- -the substances at the
- substance dissolved in water is called an aqueous
- each substance is not clearly visible
- Name -The combination of elements to form compounds has a chemical formula and a
- Symbols -Early chemists used symbols of the sun and the planets to identify the elements known to them.
- that they cannot be filtered out easily (emulsions
- compound.
- compound -are pure substances formed as a result of
44 Clues: Cl • out • in odour • compound. • are called • proportions • cobalt and nickel • charges, called ions. • metals and non-metals. • -the substances at the • change-Change in color • pure substance called a • of the reaction are called • or absorption of energy (heat) • change lead and copper into gold • -the new materials produced by the • with another substance, and can be • ...
Chemistry crossword 2024-06-03
Across
- positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass.
- a positive subatomic particle found in the nucleus of an atom
- Table a quick reference for associating the name and symbol of an element.
- separating a mixture using a filter
- Mixture is uniform throughout, the substances are evenly mixed and cannot be visibly distinguished
- Formula The formula says what atoms, and how many of each type, are in the
- Number the number of protons in the nucleus of an atom
- the ability to undergo a chemical reaction with another atom, molecule, or compound.
- is a horizontal row of the periodic table.
- physical combinations of two or more different substances that retain their own individual properties and are combined physically (mixed together)
- a negatively charged subatomic particle found outside of the nucleus of the atom
- a subatomic particle with no charge (neutral) found in the nucleus of the atom
- what is doing the dissolving (many times water)
Down
- substance produced during a chemical reaction
- elements and compounds- substances cannot be separated physically
- process by which materials deteriorate due to a reaction with oxygen
- pure substances that are composed of two or more types of elements that are chemically combined
- Mixture is not uniform throughout, the component substances can be visibly distinguished
- number written below the line
- elements with similar properties that create a “staircase” on the periodic table
- substances that cannot be broken down into simpler substances
- elements with similar properties found on the right side of the “staircase” on the periodic table
- substances that begin the chemical reaction
- is a column of elements on the periodic table.
- what is being dissolved
- Mass the number of protons and neutrons in the atom, measured in AMU
- Substance substances that are made of only one type of particle
- of Conservation of Mass law that states that matter cannot be created nor destroyed
- pure substances that are composed of two or more types of elements that are chemically combined
- forms of the same element that contain equal numbers of protons but different numbers of neutrons
- elements with similar properties found on the left side of the “staircase” on the periodic table
- a mixture of a solute and solvent- homogeneous mixture
32 Clues: what is being dissolved • number written below the line • separating a mixture using a filter • is a horizontal row of the periodic table. • substances that begin the chemical reaction • substance produced during a chemical reaction • is a column of elements on the periodic table. • what is doing the dissolving (many times water) • ...
The Periodic Puzzle 2025-09-14
Across
- The negative electrode in electrolysis
- Change of state from solid directly to gas
- (Energy of activation) The minimum energy needed for a reaction to occur
- A reddish-brown coating formed on iron due to oxidation
- A salt or ester of phosphoric acid
- Atoms of the same element with different numbers of neutrons
- A negatively charged ion
Down
- A type of chemical formula showing only bonds and arrangement
- The chemical name for gold
- A solid formed in a solution
- A flask with a wide base and narrow neck used in labs
- Describes metals that make a ringing sound when struck
- Atoms of the same element with different numbers of neutrons
- The combining power of an element
- A reaction that releases heat
15 Clues: A negatively charged ion • The chemical name for gold • A solid formed in a solution • A reaction that releases heat • The combining power of an element • A salt or ester of phosphoric acid • The negative electrode in electrolysis • Change of state from solid directly to gas • A flask with a wide base and narrow neck used in labs • ...
