chemical reaction Crossword Puzzles
Photosynthesis & Cellular Respiration Review 2021-05-07
Across
- gas that is needed in cellular respiration but released as waste in photosynthesis
- green pigment that makes up chloroplasts
- form of energy created by the process of respiration
- organelle that performs photosynthesis
- the starting molecules in a chemical reaction
- organelle that performs cellular respiration
- the results in a chemical reaction
- liquid reactant in photosynthesis and product in cellular respiration
- an organism that eats other plants and animals for energy and nourishment
- light
- powers photosynthesis
- gaseous reactant in photosynthesis and product in cellular respiration
- stage of photosynthesis that does not require sunlight and is powered by energy carriers
Down
- process that stores energy or heat; photosynthesis is an example
- broken down to release energy in cellular respiration
- an organism that is able to form glucose
- sugar produced in photosynthesis and broken down in cellular respiration
- to put together
- process that occurs when oxygen is present
- types of cells that perform cellular respiration
- process that releases energy or heat; cellular respiration is an example
21 Clues: light • to put together • powers photosynthesis • the results in a chemical reaction • organelle that performs photosynthesis • green pigment that makes up chloroplasts • an organism that is able to form glucose • process that occurs when oxygen is present • organelle that performs cellular respiration • the starting molecules in a chemical reaction • ...
PS U2 C Break return 2025-01-06
Across
- gas to liquid
- predicting ahead of time what will happen in an experiment
- determines whether an object will sink or float in water
- will mix with water
- will not mix with water
- amount of space a substance takes up
- a table that shows all atoms known to humankind
- the atoms are everywhere
- liquid to gas
- solid to liquid
- temperature that a substance melts at
- a change resulting in a new substance
Down
- attracts iron
- define a substance
- change that involves making or building a new substance
- change that doesn't involve changing what it is
- what you see
- the atoms vibrate in place
- the atoms roll over one another
- one piece of the periodic table
- something is different
- ph greater than 7
- pH less than 7
- refers to one element by itself on the periodic table
- two different substances combined, but do not form a chemical reaction
- will a substance mix?
26 Clues: what you see • attracts iron • gas to liquid • liquid to gas • pH less than 7 • solid to liquid • ph greater than 7 • define a substance • will mix with water • will a substance mix? • something is different • will not mix with water • the atoms are everywhere • the atoms vibrate in place • the atoms roll over one another • one piece of the periodic table • amount of space a substance takes up • ...
Digestive System 2024-11-24
Across
- Food becomes this in the stomach
- Reabsorb water from food
- A monomer of nucleic acids
- Prevent back flow of digestive materials
- Chemical reaction to form a polymer
- Protects the stomach from acids
- An example of secondary protein structure
- Building blocks of proteins
- An enzyme that breaks down fats
- A digestive hormone that regulates glucose level
- The last segment of the small intestine
- Describes how food moves through the esophagus
- Precursor of trypsin
- Food forms into this structure in the mouth
- Structure that releases insulin
- Chemical reaction that breaks down polymers
Down
- Food sources that provide energy for lives
- Transports food from the mouth to stomach
- An active enzyme for starch digestion
- Movement from the digestive tract to the internal environment
- Connects three fatty acids in a triglyceride
- An example of a disaccharide
- The first segment of the small intestine
- Front teeth
- An example of a monosaccharide
25 Clues: Front teeth • Precursor of trypsin • Reabsorb water from food • A monomer of nucleic acids • Building blocks of proteins • An example of a disaccharide • An example of a monosaccharide • Protects the stomach from acids • An enzyme that breaks down fats • Structure that releases insulin • Food becomes this in the stomach • Chemical reaction to form a polymer • ...
Atoms and reactions 2024-03-25
Across
- Negatively charged particle which orbits the nucleus
- Chemical symbol for a molecule or compound
- Two or more atoms bonded together
- Substances which take part in a reaction
- Number of protons and neutrons added together (2 words)
- Number of protons
- Substances produced by a reaction
- Two or more elements bonded together
- Temperature at which a solid melts (2 words)
- Layers in which electrons orbit (2 words)
Down
- Disintegration of materials to their constituent atoms
- Burning fuels in oxygen
- Able to be bent and hammered into shape
- Simple chemical containing only one type of atom
- Positively charged particles in the nucleus
- Contains both protons and neutrons
- Able to be stretched to a wire,
- Atom or group of atoms which has lost or gained electrons
- A substance which allows heat and electrical current to pass through it
- Neutral particle found in the nucleus
- Adding a layer of zinc to a metal
21 Clues: Number of protons • Burning fuels in oxygen • Able to be stretched to a wire, • Two or more atoms bonded together • Substances produced by a reaction • Adding a layer of zinc to a metal • Contains both protons and neutrons • Two or more elements bonded together • Neutral particle found in the nucleus • Able to be bent and hammered into shape • ...
Carbon and Carbohydrates 2022-10-06
Across
- a chemical reaction that breaks down polymers by the addition of water
- used to supply energy to the cells
- (two words) a molecule rich in energy and used to power cell processes
- a monomer of carbohydrates
- short-term energy storage in animals
- two monosaccharides linked together
- makes up the cell wall in fungi and the exoskeleton of insects and crustaceans
- the sweetest monosaccharide found in fruits
- a carbohydrate polymer
- glucose + glucose
- the monosaccharide found in milk sugars
Down
- short-term energy storage in plants
- glucose + Fructose
- monosaccharide used to make polysaccharides
- a functional group containing a phosphorus atom surrounded by oxygen atoms
- glucose + galactose
- a functional group containing nitrogen
- makes up the cell wall in plants
- a chemical reaction that links monomers by the removal of water
- a small organic molecule that can be linked together in repeating units
- a functional group found on glucose
- an organic molecule made of many repeating units
- a functional group characteristic of organic acids
- a functional group characteristic of alcohols
24 Clues: glucose + glucose • glucose + Fructose • glucose + galactose • a carbohydrate polymer • a monomer of carbohydrates • makes up the cell wall in plants • used to supply energy to the cells • short-term energy storage in plants • a functional group found on glucose • two monosaccharides linked together • short-term energy storage in animals • a functional group containing nitrogen • ...
mid term review crossword 2022-12-06
Across
- a atomic particle that has a neutral/no charge
- heat is usally made and you can see this change happen
- 2 plates are sliding on each other
- shows how many rings a atom has
- distance/time
- 2 plates move away from each other
- going in a certain direction
- a completely new substance is made
- the change of speed or direction
- a objects tendency to remain moving/still
- show how many valence electrons a atom has
- a atomic particle that has a negative charge
- the building blocks of life
Down
- a process where a liquid turn into a soft solid in a chemical reaction
- can involve light but creates heat/cools down
- they are made at a convergent boundary
- the table that holds all the elements
- how a object looks/feels
- 2 plates are moving towards each other
- you can smell it in a chemical reaction
- the measurement of force
- a atomic particle that has a positive charge
22 Clues: distance/time • how a object looks/feels • the measurement of force • the building blocks of life • going in a certain direction • shows how many rings a atom has • the change of speed or direction • 2 plates are sliding on each other • 2 plates move away from each other • a completely new substance is made • the table that holds all the elements • ...
Photosynthesis & Cellular Respiration Review 2025-11-18
Across
- gas that is needed in cellular respiration but released as waste in photosynthesis
- green pigment that makes up chloroplasts
- form of energy created by the process of respiration
- organelle that performs photosynthesis
- the starting molecules in a chemical reaction
- organelle that performs cellular respiration
- the results in a chemical reaction
- liquid reactant in photosynthesis and product in cellular respiration
- an organism that eats other plants and animals for energy and nourishment
- light
- powers photosynthesis
- gaseous reactant in photosynthesis and product in cellular respiration
- stage of photosynthesis that does not require sunlight and is powered by energy carriers
Down
- process that stores energy or heat; photosynthesis is an example
- broken down to release energy in cellular respiration
- an organism that is able to form glucose
- sugar produced in photosynthesis and broken down in cellular respiration
- to put together
- process that occurs when oxygen is present
- types of cells that perform cellular respiration
- process that releases energy or heat; cellular respiration is an example
21 Clues: light • to put together • powers photosynthesis • the results in a chemical reaction • organelle that performs photosynthesis • green pigment that makes up chloroplasts • an organism that is able to form glucose • process that occurs when oxygen is present • organelle that performs cellular respiration • the starting molecules in a chemical reaction • ...
biology 2025-09-23
Across
- chemical reaction released as light or heat
- tells ribosomes what to do
- holds organelles in place
- many sugars
- opposite of saturated
- gives lots of energy
- helps cell move around
- found in cell membrane
- one sugar
- holds nutrients in cell
- makes ribosomes
- protein building blocks
- where DNA and RNA are stored
- contains DNA or RNA
- maximum number of hydrogen atoms are bonded to each carbon atom in a molecule of fat
- found in carbohydrates
Down
- bread
- material or surface from which an organism obtains nourishment or on which it grows or attaches
- control center of the cell
- controls what enters and exits the cell
- only 2 sugars
- energy for activating
- makes proteins
- found in starch and other pancreatic fluids
- produced by something
- found in cells
- chemical reaction in which more energy is needed to break bonds
- part of phospholipid that hates water
- converts light into energy
- protects cell
30 Clues: bread • one sugar • many sugars • only 2 sugars • protects cell • makes proteins • found in cells • makes ribosomes • contains DNA or RNA • gives lots of energy • opposite of saturated • energy for activating • produced by something • helps cell move around • found in cell membrane • found in carbohydrates • holds nutrients in cell • protein building blocks • holds organelles in place • ...
Natural and Human Events: Vocabulary Menu 2022-04-26
Across
- hurricane
- a speed scale
- it ground water
- the destruction of rock
- a large wind spiral that was a eye
- water that goes to a source
- the action
- the reaction
- Water it suface water
- where a place is full of water
Down
- a dune of sand
- weathering from chemical
- the disposition of rock
- hurricane
- weathering by man-made
- a large wind spiral
- is where the life there is simliar
- holds water
18 Clues: hurricane • hurricane • the action • holds water • the reaction • a speed scale • a dune of sand • it ground water • a large wind spiral • weathering by man-made • Water it suface water • the disposition of rock • the destruction of rock • weathering from chemical • water that goes to a source • where a place is full of water • a large wind spiral that was a eye • ...
Beckett,Energy,3rd Hr 2024-05-06
Across
- Total weight of an organism
- Ability to do work
- Power By water
- Can be stretched
- movement of energy through air
- Pulls down an object
- cannot be reused
- flow of electrical power
- travels in waves
Down
- energy visible to the eye
- The Better triplet
- powered by the sun
- has potential or kenetic energy
- gives off a Warm temperature
- Air blowing
- Can be reused over and over
- energy in the nucleus
- Heat within earth
- energy contained responsible for its temperature
- From radiation
- whats in a chemical reaction
21 Clues: Air blowing • Power By water • From radiation • Can be stretched • cannot be reused • travels in waves • Heat within earth • The Better triplet • powered by the sun • Ability to do work • Pulls down an object • energy in the nucleus • flow of electrical power • energy visible to the eye • Total weight of an organism • Can be reused over and over • gives off a Warm temperature • ...
Unit 10 vocab 2024-04-29
Across
- The speed at which a chemical reaction takes place
- A principle of chemistry used to predict the rates of chemical reactions
- The extension of macromolecules and other structural units along the fiber avis
- States that if a dynamic equilibrium is disturbed by changing the conditions the position of equilibrium shifts to counteract the change to re-establish an equilibrium
Down
- The speed that a reaction takes place
- Condition in the course of a reversible chemical reaction in which no net change in the amounts of reactants and preoducts occur
- Measures the relative amounts of products and reactants present during a reaction
- expresses the relationship between products and reactants of a reaction at equilibrium
8 Clues: The speed that a reaction takes place • The speed at which a chemical reaction takes place • A principle of chemistry used to predict the rates of chemical reactions • The extension of macromolecules and other structural units along the fiber avis • Measures the relative amounts of products and reactants present during a reaction • ...
Rates of reaction 2024-09-25
Across
- activated complex A temporary transition state between the reactants and the products.
- Chatelier's principle When an external stress (change in pressure, temperature, or concentration) is applied to a system in chemical equilibrium, the equilibrium point will change to counteract the stress.
- A substance that increases the rate of reaction but remains unchanged at the end of the reaction.
- reactions Reactions which transfer thermal energy into potential energy.
- energy The minimum energy required to start a chemical reaction.
Down
- of reaction The net change of chemical potential energy of a system.
- reactions Reactions which transfer potential energy into thermal energy.
- rate The change in concentration per unit time of either a reactant or product.
8 Clues: energy The minimum energy required to start a chemical reaction. • reactions Reactions which transfer thermal energy into potential energy. • of reaction The net change of chemical potential energy of a system. • ...
Science 2019-02-06
Across
- A naturally occurring solid material from which a metal or valuable mineral can be extracted profitably
- A smelting furnace in the form of a tower into which a blast of hot compressed air can be introduced from below. Such furnaces are used chiefly to make iron from a mixture of iron ore, coke, and limestone
- An inorganic, non-metallic, often crystalline oxide, nitride or carbide material that is hard, corrosion-resistant and brittle
- A chemical reaction in which a more reactive element displaces a less reactive element from its compound
- A table of the chemical elements
- A chemical reaction that involves the gaining of electrons by one of the atoms involved in the reaction
- A region around a magnetic material or a moving electric charge within which the force of magnetism acts
Down
- A substance which has a molecular structure built up chiefly or completely from a large number of similar units bonded together, e.g. many synthetic organic materials used as plastics and resins
- The loss of electrons during a reaction by a molecule, atom or ion
- A process in which a chemical change is brought about by passing an electric current through a solution of electrolytes
- A substance whose atoms all have the same number of protons
- A soft metal core made into a magnet by the passage of electric current through a coil surrounding it
12 Clues: A table of the chemical elements • A substance whose atoms all have the same number of protons • The loss of electrons during a reaction by a molecule, atom or ion • A soft metal core made into a magnet by the passage of electric current through a coil surrounding it • ...
Types of Chemical Reactions - Ben Antony(10 L) 2025-04-28
Across
- Releases heat.
- Speeds a chemical reaction
- Forms an insoluble solid.
- Involves the burning of a substance in oxygen.
- Loss of oxygen.
- Exchange of ions between compounds.
- More reactive element takes place.
- Gain of oxygen.
Down
- Single reactant breaks down.
- Loss of hydrogen during a reaction.
- Acid reacts with a base.
- Combining reactants form a single product.
- Absorbs heat.
- Gain of hydrogen during a reaction.
- Oxidation and reduction together.
15 Clues: Absorbs heat. • Releases heat. • Loss of oxygen. • Gain of oxygen. • Speeds a chemical reaction • Forms an insoluble solid. • Acid reacts with a base. • Single reactant breaks down. • Oxidation and reduction together. • More reactive element takes place. • Exchange of ions between compounds. • ...
2nd Six Weeks Make Up Assignment 2023-10-26
Across
- Elements in the same ______ have similar chemical properties and the same number of valence electrons
- Evidence of this type of reaction is bubbling, burning, and residue
- The small number to the left of an element in a chemical formula
- This element is a metalloid in group 13
- The elements on the right side of a chemical equation
Down
- Mass can only be ________ or moved around
- Valence electrons determine how ______ an element is.
- Elements in the same _____ have the same number of energy levels; these move left to right in the periodic table
- Evidence of this type of reaction is boiling, melting, and freezing
- Mass cannot be ________ nor destroyed.
10 Clues: Mass cannot be ________ nor destroyed. • This element is a metalloid in group 13 • Mass can only be ________ or moved around • Valence electrons determine how ______ an element is. • The elements on the right side of a chemical equation • The small number to the left of an element in a chemical formula • ...
Biology 2020-08-19
Across
- a thing that is composed of two or more separate elements.
- the process of increasing in physical size.
- the action or process of observing something by sense organ.
- a substance that increases the rate of a chemical reaction.
- a substance which slows down or prevents a particular chemical reaction.
Down
- type of linkage formed from the electrostatic attraction between oppositely charged ions in a chemical compound.
- the smallest structural unit of an organism.
- an individual animal, plant, or single-celled life form.
- an idea or explanation for something that is based on known facts but has not yet been proved.
- the basic unit of a chemical element.
10 Clues: the basic unit of a chemical element. • the process of increasing in physical size. • the smallest structural unit of an organism. • an individual animal, plant, or single-celled life form. • a thing that is composed of two or more separate elements. • a substance that increases the rate of a chemical reaction. • ...
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 • ...
Chapter 9 Vocabulary 2016-04-27
Across
- a conversion factor that relates the amounts in moles of any two substances involved in a chemical reaction.
- calculations involving the mass relationships of elements in compounds.
- the ratio of the actual yield to the theoretical yield, multiplied by 100.
- the amount of product that can be produced from a given amount of reactant.
- the substance that controls the quantity of product that can form in a chemical reaction.
Down
- the substance that is not used up completely in a reaction.
- Description of the quantitative relationships among substances as they participate in chemical reactions.
- the measured amount of a product of a reaction.
8 Clues: the measured amount of a product of a reaction. • the substance that is not used up completely in a reaction. • calculations involving the mass relationships of elements in compounds. • the ratio of the actual yield to the theoretical yield, multiplied by 100. • the amount of product that can be produced from a given amount of reactant. • ...
Rates of reaction 2023-05-04
Across
- What is the attachment of molecules to a solid surface called?
- Rate of molecular collisions in chemical reactions.
- A substance added to a chemical reaction that increases rate of reaction.
- What takes place when particles collide with enough energy to initiate a reaction?
- What are the biological catalysts that consist of protein molecules?
Down
- What is the manufacturing of sulfuric acid called when using the raw materials: sulfur and air?
- What is the speed at which a chemical reaction takes place?
- What is the manufacturing of ammonia called when reacting nitrogen with hydrogen in the presence of an iron catalyst?
8 Clues: Rate of molecular collisions in chemical reactions. • What is the speed at which a chemical reaction takes place? • What is the attachment of molecules to a solid surface called? • What are the biological catalysts that consist of protein molecules? • A substance added to a chemical reaction that increases rate of reaction. • ...
Chemical Reactions 2016-10-23
6 Clues: hydrated iron • a chemical reaction that absorbs energy • a chemical reaction that releases energy • chemicals produced in a chemical reaction • a type of sugar produced by photosynthesis • a rapid reaction with oxygen that releases energy
Science Vocabulary 2014-01-14
Across
- matter can travel around freely
- substance at the beginning of the reaction
- short easy way to show chemical reaction
- number of atoms or molecules in the reaction
Down
- matter is not created nor destroyed
- when an element switches places in a reaction
- substance at the end of the reaction
- breaking a compound into something more simple
- matter can not travel around freely
- 2 atoms or compounds combine to make something more complex
10 Clues: matter can travel around freely • matter is not created nor destroyed • matter can not travel around freely • 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 • ...
Biology 2020-08-19
Across
- the process of increasing in physical size.
- an individual animal, plant, or single-celled life form.
- the smallest structural unit of an organism.
- a substance which slows down or prevents a particular chemical reaction.
- a thing that is composed of two or more separate elements.
Down
- an idea or explanation for something that is based on known facts but has not yet been proved.
- the basic unit of a chemical element.
- the action or process of observing something by sense organ.
- type of linkage formed from the electrostatic attraction between oppositely charged ions in a chemical compound.
- a substance that increases the rate of a chemical reaction.
10 Clues: the basic unit of a chemical element. • the process of increasing in physical size. • the smallest structural unit of an organism. • an individual animal, plant, or single-celled life form. • a thing that is composed of two or more separate elements. • a substance that increases the rate of a chemical reaction. • ...
Balancing Chemical Equation Station Lab Crossword 2023-04-05
Across
- Anything that takes up space and has mass
- The Term used for atoms before the chemical reaction
- When no new atoms were created, it is a ___ equation
- A products atom are chemically ___ together
- The Term used for atoms after the chemical reaction takes place
Down
- Atoms must be equal on each side of a chemical...
- An ___ equation has different amount of atoms in the reactant and the product
- The arrow in a chemical equation represents what was...
- Discovered Law of Conservation
- 2HNO3 +Ca(OH)2 → Ca(NO3)2 + 2H2O is an unbalanced equation. This means it has different amounts of ___ on either side of it
10 Clues: Discovered Law of Conservation • Anything that takes up space and has mass • A products atom are chemically ___ together • Atoms must be equal on each side of a chemical... • The Term used for atoms before the chemical reaction • When no new atoms were created, it is a ___ equation • The arrow in a chemical equation represents what was... • ...
Kierra Carson 2022-03-08
Across
- a formula giving the number of atoms of each of the elements present in one molecule of a specific compound.
- a group of atoms bonded together
- the study of ratios within chemical reactions
- the ratio of the actual yield to the theoretical yield
Down
- reactant that runs out first in a chemical reaction
- the mass of 1 mole of a substance
- maximum amount of product that can be produced based on the limiting reactant
- a number placed in front of a formula to balance a chemical equation.
- the amount of product that was actually produced
- a conversion factor between compounds in a chemical reaction
10 Clues: a group of atoms bonded together • the mass of 1 mole of a substance • the study of ratios within chemical reactions • the amount of product that was actually produced • reactant that runs out first in a chemical reaction • the ratio of the actual yield to the theoretical yield • a conversion factor between compounds in a chemical reaction • ...
Kierra Carson 2022-03-08
Across
- a formula giving the number of atoms of each of the elements present in one molecule of a specific compound.
- a group of atoms bonded together
- the study of ratios within chemical reactions
- the ratio of the actual yield to the theoretical yield
Down
- reactant that runs out first in a chemical reaction
- the mass of 1 mole of a substance
- maximum amount of product that can be produced based on the limiting reactant
- a number placed in front of a formula to balance a chemical equation.
- the amount of product that was actually produced
- a conversion factor between compounds in a chemical reaction
10 Clues: a group of atoms bonded together • the mass of 1 mole of a substance • the study of ratios within chemical reactions • the amount of product that was actually produced • reactant that runs out first in a chemical reaction • the ratio of the actual yield to the theoretical yield • a conversion factor between compounds in a chemical reaction • ...
8.1.6 Law of Conservation 2024-10-09
Across
- A number written slightly below and to the right of a chemical symbol that shows how many atoms of an element are in a compound.
- what you end with after a chemical reaction
- A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
- the amount of matter in an object
- A number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction.
Down
- Matter is neither created nor destroyed
- What you start with in a chemical reaction
7 Clues: the amount of matter in an object • Matter is neither created nor destroyed • What you start with in a chemical reaction • what you end with after a chemical reaction • A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products • ...
Neon Oxides Chemistry of Life 2016-10-06
Across
- the production of chemical compounds by reaction from simpler materials
- C6H12O6
- disaccharide of glucose and fructose
- a substance that is formed as the result of a chemical reaction.
- obtained chiefly from cereals and potatoes. It is a polysaccharide that functions as a carbohydrate store and is an important constituent of the human diet
- a hexose sugar present in small amounts in fruits and honey
- the principle that matter cannot be created or destroyed.
- a substance that takes part in and undergoes change during a reaction
- molecules with the same molecular formula (i.e. the same number of atoms of each element), but different structural or spatial arrangements of the atoms within the molecule.
- a sugar present in milk. It is a disaccharide containing glucose and galactose units
- asymmetric in such a way that the structure and its mirror image are not superimposable
- organic compounds including sugars, starch,and cellulose,contain hydrogen and oxygen in the same ratio as water (2:1)
- a molecule made up of two sugars
- break down of substance by water
- of, relating to, or derived from living matter OR in chemistry means having to do with carbon compounds
- has negative and positive poles
Down
- organic compounds that consist of large molecules composed of one or more long chains of amino acids, essential part of all living organisms,
- substance that lowers the activation energy needed for a reaction thereby speeding up the reaction. Is not affected in the reaction.
- a state of a solution that contains more of the dissolved material than could be dissolved by the solvent under normal circumstances.
- a solution in which no more solvent can be dissolved.
- long chains of similar units
- an insoluble substance that is the main constituent of plant cell walls, a polysaccharide consisting of chains of glucose
- Any process that activates or increases the frequency, rate or extent of a biological process
- involves the sharing of electron pairs between atoms.
- an atom or molecule with a net electric charge due to the loss or gain of one or more electrons
- a molecule of long chains of sugars
- a molecule of one sugar
- a homogeneous mixture composed of two or more substances or chemical compound that has a chain of carbon atoms linked together by single bonds
- a simple organic compound containing both a carboxyl (—COOH) and an amino (—NH2) group, necessary to make proteins
- organic compounds that are fatty acids or their derivatives- include natural oils, waxes, and steroids.
30 Clues: C6H12O6 • a molecule of one sugar • long chains of similar units • has negative and positive poles • a molecule made up of two sugars • break down of substance by water • a molecule of long chains of sugars • disaccharide of glucose and fructose • a solution in which no more solvent can be dissolved. • involves the sharing of electron pairs between atoms. • ...
Year 9 Chemistry 2025-09-09
Across
- Likely to give off nuclear radiation
- Shows pH by a colour change
- Particles inside an atom
- Random motion caused by tiny particles
- Neutral particle in the nucleus
- Substance with different atoms in it
- Version of an atom with a certain mass
- How to find out whether hydrogen is present
- Radiation consisting of 2 protons and 2 neutrons
- Groups 3-12 on the Periodic Table
- Chemicals coming out
- Column indicating number of valence electrons
- Being sour
- When a property remains the same
- Charged atom
- Negative ion containing hydrogen and oxygen
- Acid or base that always produces ions
- Likely to undergo decay
- Opposite of acidity
- Positive particle in the nucleus
- Central part of an atom
- Has a pH > 7
- Acid or base that sometimes produces ions
- Tends to accept electrons
- Can be bent
- Level where electrons can be
- Negative particle outside the nucleus
- Used to test for carbon dioxide
- Takes in heat
- Summary of the substances in a reaction
- Zone where electrons may occur
- Chemicals going in
- Measure of how acidic something is
- The time taken for 50% to decay
- Property that responds to electric fields
- Reaction where substance does not change
- A type of nuclear decay that is an electromagnetic ray
Down
- How much radiation knocks electrons off atoms
- Heat needed for a reaction to begin
- How much radiation travels through materials
- Organised display of elements
- Arrangement of electrons
- Has a pH < 7
- Allows flow of electricity
- Chemical formed in a neutralisation reaction
- Allows energy only to leave
- No movement of matter or energy from the system
- Allows matter to leave
- Smallest particle of an element
- Reaction between acid and base
- Chemical with a defined makeup of atoms
- Radiation that can be an electron or positron
- May behave like a metal and a nonmetal
- Connection between atoms
- Solid coming out of a liquid
- Neither positive nor negative
- Different arrangement of an element
- Mixture used to measure pH in a rainbow
- The number of atoms is the same on both sides
- Atoms bonded together in a package
- Substance with one kind of atom
- Row indicating number of shells
- Gives off heat
- Does not undergo decay
- Tends to give electrons
- Reaction where substances change
66 Clues: Being sour • Can be bent • Has a pH < 7 • Charged atom • Has a pH > 7 • Takes in heat • Gives off heat • Chemicals going in • Opposite of acidity • Chemicals coming out • Allows matter to leave • Does not undergo decay • Likely to undergo decay • Central part of an atom • Tends to give electrons • Particles inside an atom • Arrangement of electrons • Connection between atoms • ...
Biology 2020-08-19
Across
- a thing that is composed of two or more separate elements.
- the action or process of observing something by sense organ.
- a substance that increases the rate of a chemical reaction.
- bond type of linkage formed from the electrostatic attraction between oppositely charged ions in a chemical compound.
Down
- a substance which slows down or prevents a particular chemical reaction.
- an idea or explanation for something that is based on known facts but has not yet been proved.
- the smallest structural unit of an organism.
- the process of increasing in physical size.
- an individual animal, plant, or single-celled life form.
- the basic unit of a chemical element.
10 Clues: the basic unit of a chemical element. • the process of increasing in physical size. • the smallest structural unit of an organism. • an individual animal, plant, or single-celled life form. • a thing that is composed of two or more separate elements. • a substance that increases the rate of a chemical reaction. • ...
Kierra Carson 2022-03-08
Across
- a formula giving the number of atoms of each of the elements present in one molecule of a specific compound.
- a group of atoms bonded together
- the study of ratios within chemical reactions
- the ratio of the actual yield to the theoretical yield
Down
- reactant that runs out first in a chemical reaction
- the mass of 1 mole of a substance
- maximum amount of product that can be produced based on the limiting reactant
- a number placed in front of a formula to balance a chemical equation.
- the amount of product that was actually produced
- a conversion factor between compounds in a chemical reaction
10 Clues: a group of atoms bonded together • the mass of 1 mole of a substance • the study of ratios within chemical reactions • the amount of product that was actually produced • reactant that runs out first in a chemical reaction • the ratio of the actual yield to the theoretical yield • a conversion factor between compounds in a chemical reaction • ...
Redox Reaction 2020-05-17
Across
- The electron is added.
- When an electron relocates from an atom or molecule to another such chemical entity.
- Chemical reaction in which the oxidation states of atoms are changed.
- The degree of oxidation of an atom in a chemical compound.
- The loss of electrons or an increase in the oxidation state of an atom, an ion, or of certain atoms in a molecule.
Down
- Substances that lose electrons.
- Substances that gain electrons.
- The electron is removed.
- Chemical reaction in which the oxidation states of atoms aren't changed.
- The gain of electrons or a decrease in the oxidation state of an atom, an ion, or of certain atoms in a molecule.
10 Clues: The electron is added. • The electron is removed. • Substances that lose electrons. • Substances that gain electrons. • The degree of oxidation of an atom in a chemical compound. • Chemical reaction in which the oxidation states of atoms are changed. • Chemical reaction in which the oxidation states of atoms aren't changed. • ...
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 • ...
Year 7 Science Unit 8 2025-09-24
Across
- a chemical reaction that requires oxygen
- a physical property of metal
- the reaction of mixing acid and alkali
- the substances formed from a reaction
- iron reacts with ___ to form iron sulfide
- the gas formed when metal reacts with acid
Down
- an equipment used to neutralise alkali
- medicine to treat indigestion
- a substance that tastes sour
- produces acid in the mouth
- a metal very reactive with water
- a measurement of acidity and alkalinity
12 Clues: produces acid in the mouth • a physical property of metal • a substance that tastes sour • medicine to treat indigestion • a metal very reactive with water • the substances formed from a reaction • an equipment used to neutralise alkali • the reaction of mixing acid and alkali • a measurement of acidity and alkalinity • a chemical reaction that requires oxygen • ...
Chemical Reactions 2013-06-05
Across
- A physical change is ___________
- The rate at which ___________are used up is one way to measure ROR
- An explosion is an example of a ___(4) _______(8)
- ___________of reaction (ROR) refers to the speed of a reaction
- Particles must collide with enough____________
- An impact between particles
Down
- A chemical change is___________
- Acronym for remembering Metal + Acid Equations
- All particles are _________ moving
- Particles need to align in the correct ___________for a reaction to occur
- The rate of _____________ formation is one way to measure ROR
- An example of a slow reaction
12 Clues: An impact between particles • An example of a slow reaction • A chemical change is___________ • A physical change is ___________ • All particles are _________ moving • Acronym for remembering Metal + Acid Equations • Particles must collide with enough____________ • An explosion is an example of a ___(4) _______(8) • ...
6b vocab 2017-04-10
Across
- - The alkali metals are a group of elements in the periodic table. They are all in the
- - 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.
- - 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.
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 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.
- - 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.
11 Clues: 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 • - A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds. • ...
vocab 6B 2017-04-07
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 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.
- 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.
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.
- a substance that takes part in and undergoes change during a reaction.
- 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. • ...
heat of reactions 2026-01-09
Across
- Law which states that the energy change in an overall chemical reaction is equal to the sum of the energy changes in the individual reactions
- The unit system of heat in SI
- the reaction in which heat is a given out
- Changing of a gas into a liquid
- The tool that measure an amount of heat
Down
- Process in which a solid is transformed into a gas
- Amount of energy needed to raise the temperature of one gram of water by one degree
- transformation from a solid state into a liquid state
- the reaction in which heat is absorbed
- Rapid chemical reaction with C,H,O containing compounds with oxygen gas
10 Clues: The unit system of heat in SI • Changing of a gas into a liquid • the reaction in which heat is absorbed • The tool that measure an amount of heat • the reaction in which heat is a given out • Process in which a solid is transformed into a gas • transformation from a solid state into a liquid state • ...
End of Year Vocab 2 2022-06-08
Across
- study of geographic distribution of living things
- what goes into a chemical reaction/equation
- traits that are often carried and not presented
- what comes out of a chemical reaction/equation
- product of photosynthesis
Down
- to receive traits from a family member
- process where plants make their own "food"
- a product of photosynthesis
- organism without backbone
9 Clues: organism without backbone • product of photosynthesis • a product of photosynthesis • to receive traits from a family member • process where plants make their own "food" • what goes into a chemical reaction/equation • what comes out of a chemical reaction/equation • traits that are often carried and not presented • study of geographic distribution of living things
Chapter 2-Review 2023-08-31
Across
- a substance that releases hydrogen ions (H+) in solution.
- what fatty acid chains are kinked?
- helps fuel the body’s activities.
- energy emitted and transmitted as waves rather than matter.
- the “choices” of base for blank are adenine, cytosine, guanine, and thymine.
- What is this reaction AD+BC=AC+BD
- What is this reaction A+B=AB
- a catalyst composed of protein or ribonucleic acid (RNA)
- a compound substance that does not contain both carbon and hydrogen.
- 70 percent of an adult’s body weight
Down
- a substance that increases the rate of a chemical reaction without itself changing
- What groups are found within phospholipids and nucleotides.
- the form of energy powering any type of matter in motion.
- the energy of position, or the energy matter possesses.
- What is formed via dehydration synthesis?
- a molecule of water disrupts a compound, breaking its bonds.
- Different amino acids join together to form what?
- What is this reaction AC=A+C
- tend to react faster than liquids or solids
19 Clues: What is this reaction AC=A+C • What is this reaction A+B=AB • helps fuel the body’s activities. • What is this reaction AD+BC=AC+BD • what fatty acid chains are kinked? • 70 percent of an adult’s body weight • What is formed via dehydration synthesis? • tend to react faster than liquids or solids • Different amino acids join together to form what? • ...
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. • ...
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 • ...
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. • ...
Chemical reactions and equations 2024-07-18
Across
- product of electrolysis of water
- Precipitation reactions produce insoluble ......
- The process in which metals are eaten up by action of air, moisture
- reaction in which substances combine to form a single product.
- reaction used in black and white photography.
- gain of oxygen or loss of hydrogen.
Down
- Addition of hydrogen
- substance that takes part in chemical reaction.
- substance added to food containing fats and oil.
- Reaction of water with quick lime.
- Aerial oxidation of fats
11 Clues: Addition of hydrogen • Aerial oxidation of fats • product of electrolysis of water • Reaction of water with quick lime. • gain of oxygen or loss of hydrogen. • reaction used in black and white photography. • substance that takes part in chemical reaction. • Precipitation reactions produce insoluble ...... • substance added to food containing fats and oil. • ...
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 • ...
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 • ...
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 • ...
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 • ...
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. • ...
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 • ...
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 • ...
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 • ...
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. • ...
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
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 • ...
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 • ...
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 • ...
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 • ...
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. • ...
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 • ...
Thermochemistry - Chemistry 11 2026-01-28
Across
- Exothermic process when gas becomes liquid
- Slow exothermic process of iron reacting with oxygen
- Exothermic process where liquid turns to solid
- Often released in an exothermic reaction along with heat
- Endothermic chemical pack used to cool injuries
- Endothermic process where a liquid becomes a gas
- Endothermic process in plants that captures sunlight
Down
- Endothermic process where a solid becomes a liquid
- Exothermic reaction producing heat and light, like in a candle
- Endothermic process where liquid turns to gas at high temperature
- Endothermic process in the oven that transforms ingredients
- Temperature at which a liquid becomes solid
- Exothermic cellular process releasing energy from sugar
- Exothermic chemical pack used to heat your hands
14 Clues: Exothermic process when gas becomes liquid • Temperature at which a liquid becomes solid • Exothermic process where liquid turns to solid • Endothermic chemical pack used to cool injuries • Endothermic process where a liquid becomes a gas • Exothermic chemical pack used to heat your hands • Endothermic process where a solid becomes a liquid • ...
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 • ...
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
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. • ...
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) • ...
