chemical reaction Crossword Puzzles
Unit 6 and 7 Chem. Terms 2022-06-15
Across
- Calculate this percentage to find how close your prediction was
- A reactant that is used up by the end if the experiment
- Set this up to complete your stoichiometry calculation
- The real amount of product created at the end of the reaction
- The total mass of a compound in a reaction
- Tells you how many moles of each reactant and product there are
- Studies the amounts of substances that are involved in chemical reaction
Down
- Tells you how the amount of atoms within a compound
- A predicted amount of product at the end of a reaction
- Substance produced at the end of a reaction
- A reactant that is leftover at the end of the experiment
- An equation must be this before proceeding in any calculations
- Use this when converting between particles and moles
- Use this ratio to convert between moles
- A counting unit invented by chemists to count atoms in groups
15 Clues: Use this ratio to convert between moles • The total mass of a compound in a reaction • Substance produced at the end of a reaction • Tells you how the amount of atoms within a compound • Use this when converting between particles and moles • A predicted amount of product at the end of a reaction • Set this up to complete your stoichiometry calculation • ...
Photosynthesis Crossword 2023-05-08
Across
- an organelle which contains chlorophyll
- process which creates food for the plant
- retrieves water from the ground and transfers it to the leaves
- where photosynthesis occurs
- is combined with another substance to form new substances in a chemical reaction
- a gas needed for photosynthesis
Down
- type of sugar created through photosynthesis which fuels the plant
- a pigment which allows the plant to absorb energy from the Sun
- allows gases in and out of the plant
- distributes nutrients throughout the plant
- type of energy which from the Sun; necessary for photosynthesis
- a gas created through photosynthesis
- is the result of a chemical reaction
13 Clues: where photosynthesis occurs • a gas needed for photosynthesis • allows gases in and out of the plant • a gas created through photosynthesis • is the result of a chemical reaction • an organelle which contains chlorophyll • process which creates food for the plant • distributes nutrients throughout the plant • a pigment which allows the plant to absorb energy from the Sun • ...
Physical and Chemical Crossword Puzzle 2020-04-01
Across
- Animals can dig burrows causing rock to expose.
- Process which the outer layers slowly peel away.
- Roots grow into the cracks as the plants grow.
- Breaking down and wearing away due to water.
- Chemical reaction where rock material adds with oxygen.
- Breaking down of rock due to chemical reaction.
Down
- Simple plant that forms a leaf like shape.
- Grow in different places on cave ceiling
- Acids in the atmosphere are created with water.
- Breaking down of rock without a change.
- Ice wedging causes rock to break into smaller pieces.
- Circular depression that forms and occurs in Florida.
- Breaking down and wearing away due to wind blowing.
13 Clues: Breaking down of rock without a change. • Grow in different places on cave ceiling • Simple plant that forms a leaf like shape. • Breaking down and wearing away due to water. • Roots grow into the cracks as the plants grow. • Animals can dig burrows causing rock to expose. • Acids in the atmosphere are created with water. • ...
Chemical Reactions 2023-02-04
Across
- : one of the high reactive atoms
- the breaking apart of a compound
- AB + C -> AC+ B
- resulting compound made in a reaction
- substance reacting together
Down
- : when a substance reacts with oxygen
- the formation of a new substance
- : any substance reacting
- a reaction that releases energy
- a reaction that absorbs more energy
10 Clues: AB + C -> AC+ B • : any substance reacting • substance reacting together • a reaction that releases energy • the formation of a new substance • : one of the high reactive atoms • the breaking apart of a compound • a reaction that absorbs more energy • : when a substance reacts with oxygen • resulting compound made in a reaction
Phtosynthesis 2023-02-16
13 Clues: Gas • Blue • Sugar • Green • Sunlight • Membranes • Breathe in • Calvin Cycle • Liquidy Part • molecule split • 3 phosphate groups • Needed to make Glucose • Speed Up Chemical Reaction
Solubility 2020-05-31
Across
- doesn't completely ionize in water
- a solid or precipitate forms when we mix two solutions
- doesn't dissolve in water
- completely ionizes in solution
- dissolves in water
- equation the complete neutral formulas for each compound in a reaction as if they existed as molecules
- shows only the species that actually change during the reaction
Down
- conduct electricity weakly
- substances that completely dissociate into ions when they dissolve in water
- ions that do not participate in the reaction
- substances that dissolve in water
- compounds that do not dissociate into ions when dissolved in water
- lists all of the ionspresent as either reactants or products in a chemical reaction
13 Clues: dissolves in water • doesn't dissolve in water • conduct electricity weakly • completely ionizes in solution • substances that dissolve in water • doesn't completely ionize in water • ions that do not participate in the reaction • a solid or precipitate forms when we mix two solutions • shows only the species that actually change during the reaction • ...
Cellular Energy 2022-01-12
Across
- product of the light-dependent reaction
- where the Krebs cycle occurs
- where photosynthesis occurs
- cellular respiration is an _______ process
- reactant of the light-independent reaction
- the breakdown of what molecule provides energy to reattach the phosphate group to ADP
Down
- where the light-dependent reaction occurs
- if there is no oxygen present a cell will undergo this instead of cellular respiration
- glucose is split into 2 of these molecules during glycolysis
- organisms use chemical energy to make food
- this type of fermentation occurs in muscles of humans
- where the light-independent reaction occurs
- process where glucose is split into 2 molecules
13 Clues: where photosynthesis occurs • where the Krebs cycle occurs • product of the light-dependent reaction • where the light-dependent reaction occurs • organisms use chemical energy to make food • cellular respiration is an _______ process • reactant of the light-independent reaction • where the light-independent reaction occurs • ...
Lab equipment Tessa & Florine 2017-03-02
Across
- a table to do experiments
- to do chemical reaction (little quantity reagent)
- to hold a burette
- to realize chemical reaction with Ionic compound
- to do disolution and water-based solution
- to protect your eyes
Down
- a piece of clothing you want war in the lab
- to measure a quantity and her graduactions are not exact
- to pratect your hands
- long and thin in glass with graduation element to do a titration
- to put test tube for not break it
- to stock product and her graduations are not exact
- to take test tube for didn't burn you
13 Clues: to hold a burette • to protect your eyes • to pratect your hands • a table to do experiments • to put test tube for not break it • to take test tube for didn't burn you • to do disolution and water-based solution • a piece of clothing you want war in the lab • to realize chemical reaction with Ionic compound • to do chemical reaction (little quantity reagent) • ...
Unit 4b Vocab 2023-01-20
Across
- Layer of cellulose outside cell membrane
- Membrane-bound organelle, stores materials
- processes that don't require oxygen
- materials that exit a reaction
- Little organs
- Organelle in cells that synthesize proteins
- chemical reaction which produces light and heat, releases carbon dioxide into atmosphere
- processes that do require oxygen
- materials that go into a reaction
Down
- membrane-bound organelle with digestive enzymes to break down large enough materials
- green membrane-bound organelle found in plant cells
- semi-permeable membrane surrounds cytoplasm of cell
- Cellular energy
- membrane-bound organelle->food energy-> cellular energy through respiration
- process in chloroplast that produces high energy sugars
15 Clues: Little organs • Cellular energy • materials that exit a reaction • processes that do require oxygen • materials that go into a reaction • processes that don't require oxygen • Layer of cellulose outside cell membrane • Membrane-bound organelle, stores materials • Organelle in cells that synthesize proteins • green membrane-bound organelle found in plant cells • ...
Phtosynthesis 2023-02-16
13 Clues: Gas • Blue • Sugar • Green • Sunlight • Membranes • Breathe in • Calvin Cycle • Liquidy Part • molecule split • 3 phosphate groups • Needed to make Glucose • Speed Up Chemical Reaction
Phtosynthesis 2023-02-16
13 Clues: Gas • Blue • Sugar • Green • Sunlight • Membranes • Breathe in • Calvin Cycle • Liquidy Part • molecule split • 3 phosphate groups • Needed to make Glucose • Speed Up Chemical Reaction
Phtosynthesis 2023-02-16
13 Clues: Gas • Blue • Sugar • Green • Sunlight • Membranes • Breathe in • Calvin Cycle • Liquidy Part • molecule split • 3 phosphate groups • Needed to make Glucose • Speed Up Chemical Reaction
Rates of Reaction 2024-06-06
8 Clues: affects rate of reaction • line that touches a curve • substance going into a reaction • weight of an object or substance • how quickly a reaction takes place • causes rate of reaction to increase • theory used to predict rate of reaction • a substance formed in a chemical reaction
Action, reaction 2020-11-29
Across
- the ability or capacity to do something or act in a particular way
- strongly affecting how a situation will progress or end
- stupid or unreasonable and deserving to be laughed at
- a strong, hard hat that covers and protects the head
- trying to do something, although it is very difficult
- reward for a talented person
- how fast something moves
- synonym to brave
- try earnestly or persistently to persuade someone to do something
- a series of contests between a number of competitors, competing for an overall prize.
- full of hope and confidence, or giving cause for hope and confidence
Down
- to come from behind another vehicle or a person and move in front of them
- a person who is in charge of a sports game and who makes certain that the rules are followed
- using force to hurt or attack
- willing to give money, help, kindness, etc., especially more than is usual
- your teammate
- to appear by coming out of something or out from behind something
- a person who watches an activity, especially a sports event, without taking part
- if you walk under a ladder it brings you bad luck
- especially in sports or other competitions to be in front, to be first, or to be winning
20 Clues: your teammate • synonym to brave • how fast something moves • reward for a talented person • using force to hurt or attack • if you walk under a ladder it brings you bad luck • a strong, hard hat that covers and protects the head • stupid or unreasonable and deserving to be laughed at • trying to do something, although it is very difficult • ...
Metabolic Reaction 2025-05-23
Across
- The site of protein synthesis in the cell
- An organelle containing enzymes that help break down food and waste
- The thing going on when cells divide
- The nucleotide triples of DNA and RNA molecules that carry genetic information in living cells
- THe process by which a cell exports large particles by releasing them from vesicles
- The material that makes up chromosomes, consisting of DNA and proteins
- A pair of complementary bases in a double-stranded nucleic acid molecule, consisting of purine in one strand linked
- Chromosomes forms two nuclei
- THe process by which a cell takes in large particles by engulfing them
- a sugar that our cells use as fuel
- membrane A semipermeable membrane surrounding the cell, controlling the movement of substances in an out
- A barrier that only allow 5 certain substances like water, to pass through
- A storage organelle within the cell
- The process in which cells make proteins by using the genetic information in living cells
- is another type of nuclei acid that is mainly used as a messenger in the process of converting DNA into proteins
- fibers Formations that separate chromosomes during cell division
- Large molecules composed of one more long chains of amino acids, essential for all living organisms
- A property of the cell membrane that allows some substances to pass while keeping others out
- The movement of molecules across a cell membrane without the use of energy
- The ability to maintain a constant internal environment in response to environmental changes
- The movement of water across a semi-permeable membrane from an area of high concentration to an area of low concentration
Down
- The process of copying the DNA within a cell to produce two identical sets
- A network within the cell that assists in the production of proteins and lipids
- Genes that works some function but slightly different
- Organelles involved in modifying, sorting, and packaging proteins and lipid
- The movement of particles from an area of high concentration to an area of low concentration
- THe phrase of the cell cycle where cells prepares for division by growing and replicating its RNA
- Chromosomes line up at the middle of the cells
- surrounded by proteins that protect it and hold the shape of the chromosomes
- A structure of nucleic acids and protein found in the nucleus, carrying genetic informations
- Conditions within a cell or organism, which are kept stable
- Chromosomes splits and goes to the each opposite of cells
- respiration a chemical process that uses glucose from food as a fuel to provide energy for life processes
- The movement of molecules across a cell membrane using energy, especially against a concentration gradient
- Chromosomes flowing around in the cell
- THe process of cytoplasm division that results in two daughter cells
- Very long structures they are also not usually visible except when they are very tightly coiled during cell division
37 Clues: Chromosomes forms two nuclei • a sugar that our cells use as fuel • A storage organelle within the cell • The thing going on when cells divide • Chromosomes flowing around in the cell • The site of protein synthesis in the cell • Chromosomes line up at the middle of the cells • Genes that works some function but slightly different • ...
Photosynthesis Crossword 2023-02-07
Across
- The end result of a chemical reaction
- Distributes water to a plant
- Process by which a plant converts light energy to chemical energy to make its own food
- A reactant of photosynthesis, sugar
- Carries glucose to the plant
Down
- Pigment in the chloroplasts which absorbs the sun's energy
- Something that starts a chemical reaction
- The organelle which photosynthesis takes place
8 Clues: Distributes water to a plant • Carries glucose to the plant • A reactant of photosynthesis, sugar • The end result of a chemical reaction • Something that starts a chemical reaction • The organelle which photosynthesis takes place • Pigment in the chloroplasts which absorbs the sun's energy • ...
Pomi Easter Puzzle 2024! 2024-03-29
Across
- Country that borders both Russia and China
- A type of chemical bond formed when atoms share electrons
- Country that sits across the Strait of Gibraltar from Spain
- The heel bone, the largest bone in the foot
- Country bordering Greece
- Bone in your chest, shaped like a "V"
- Shin bone, the front part of your lower leg
- Country situated between Brazil and Argentina
- A substance that speeds up the rate of a chemical reaction
- Country located north of the United States
- The bone that forms the base of the spine
- Substance that cannot be broken down into simpler substances by chemical means
- System that coordinates and controls bodily functions through electrical signals
- Bone in the lower back, made up of several fused vertebrae
- The jawbone, it moves when you chew
- A chemical reaction in which two or more substances combine to form a new compound
- Forearm bone on the thumb side
- Country separated from the United Kingdom by the English Channel
- A substance that dissolves in a solvent to form a solution
- System responsible for transporting blood, oxygen, and nutrients throughout the body
- Balkan country east of the Adriatic Sea
- Archipelago east of Australia
- Upper arm bone
- Country that lies between India and China
- System that regulates hormone production and controls metabolism
- A substance that decreases the rate of a chemical reaction
- The electrons in the outermost energy level of an atom
- Smallest bone in the body, found in the ear
- The longest bone in the body
- Country that borders Iraq and the Persian Gulf
- Wrist bone on the thumb side
- A measure of the force of gravity on an object
- Bone that makes up the knee cap
Down
- Substance formed by the chemical combination of two or more elements in definite proportions
- The bone that protects your brain
- These highly unreactive gases have a full outer valence shell of electrons
- The law stating that mass cannot be created or destroyed in a chemical reaction
- The shoulder blade, it helps connect the arm to the body
- The ability of a substance to be hammered or rolled into thin sheets
- Country that lies between Sweden and Russia
- Country located between Egypt and Saudi Arabia
- System that filters waste products from the blood and eliminates them from the body
- It connects your shoulder to your chest
- System that provides framework and protection for the body's organs
- The process by which a gas changes into a liquid
- A substance that decreases the concentration of hydrogen ions in a solution
- System responsible for the production of offspring
- Smallest unit of an element
- System that allows for movement and supports the body's structure
- System that facilitates the exchange of oxygen and carbon dioxide in the body
- The center of an atom, composed of protons and neutrons
- Archipelago in the Indian ocean, northeast of Madagascar
- This type of chemical bond is formed when one atom donates an electron to another atom
- System that defends the body against infections and diseases
- A substance that increases the concentration of hydrogen ions in a solution
- System that breaks down food and absorbs nutrients for energy and growth
- System that helps rid the body of toxins and waste materials
- Bones in your fingers and toes
58 Clues: Upper arm bone • Country bordering Greece • Smallest unit of an element • The longest bone in the body • Wrist bone on the thumb side • Archipelago east of Australia • Forearm bone on the thumb side • Bones in your fingers and toes • Bone that makes up the knee cap • The bone that protects your brain • The jawbone, it moves when you chew • Bone in your chest, shaped like a "V" • ...
energy and enzymes 2025-11-13
Across
- the requirements an enzyme has for what substrate(s) it takes
- a reaction that is nonspontaneous, endothermic, and has a decrease in disorder
- a set of biochemical reactions that sustain life
- a protein that is used as a catalyst in metabolic reactions
- use of water in a reaction to break bonds
- the site in the enzyme where the substrate binds
- an organism that must consume other organisms for food
- a compound that is not consumed in a reaction and that is used in a reaction to lower activation energy and increase rate of the reaction
- the energy that a reaction needs in order to go to completion
- the process in metabolism that converts subunits to larger macromolecules
- the intermediate(s) in a reaction where the activation energy is at its highest
- an organism that uses light for metabolic processes
- the change in gibbs free energy that tells us whether a reaction is spontaneous or nonspontaneous
- a type of inhibitor that binds to the allosteric site
- a reaction that is spontaneous, exothermic, and has an increase in disorder
- the complex formed when the substrate binds to the enzyme
Down
- adenosine attached to three phosphates and is the highest energy form
- a type of reaction that does not require an input of energy
- the reactant(s) that will be converted into products
- a site in the enzyme where an inhibitor can bind and slow down or stop a reaction
- an organic molecule that participates in the reaction but comes out unchanged
- potential energy stored in the bonds between atoms
- a type of inhibitor that binds to the active site
- an organism with the ability to make their own food
- the process in metabolism that converts macromolecules to subunits
- an organism that uses chemical compounds for metabolic processes
- stored energy
- adenosine attached to two phosphates
- adenosine attached to one phosphate and is the lowest energy form
- energy currently being used
- an inorganic ion that temporarily bonds to the enzyme
- a phenomenon where the enzyme undergoes conformational changes when reacting
32 Clues: stored energy • energy currently being used • adenosine attached to two phosphates • use of water in a reaction to break bonds • a set of biochemical reactions that sustain life • the site in the enzyme where the substrate binds • a type of inhibitor that binds to the active site • potential energy stored in the bonds between atoms • ...
Matter & Energy crossword 2020-03-21
Across
- a table of the chemical elements arranged in order of atomic number
- a series of interactions in which one organism eats another to gain energy
- two or more atoms joined (bonded) together chemically
- the law that states matter cannot be created or destroyed
- the number of protons plus the number of neutrons contained in an atom's nucleus
- the ability to move heat or electricity from one place to another
- a pure substance that cannot be broken down chemically
- the number of protons or electrons contained in an element
- elements located to the right of the stair-step (zig zag) line on the periodic table
- a diagram that shows many overlapping food chains
- neutrally-charged subatomic particles found in the nucleus
Down
- a substance that consists of 2 or more elements combined in a set ratio
- a diagram that shows the amount of energy moving from one feeding (trophic) level to the next
- elements or compounds on the left side of a chemical reaction (what you start with)
- the amount of space an object occupies
- the type of change that results in the formation of new chemical substances
- elements or compounds on the right side of a chemical reaction (what you produce)
- the ratio of an object's mass to its volume (M/V)
- the type of change in which the form (appearance) of matter is altered but one substance is not changed into another
- negatively-charged subatomic particles found in a cloud surrounding the nucleus
- two or more substances that are together but not chemically combined
- the center of an atom that contains the protons and neutrons
- positively-charged subatomic particles found in the nucleus
23 Clues: the amount of space an object occupies • the ratio of an object's mass to its volume (M/V) • a diagram that shows many overlapping food chains • two or more atoms joined (bonded) together chemically • a pure substance that cannot be broken down chemically • the law that states matter cannot be created or destroyed • ...
matter and energy 2020-03-21
Across
- a series of interactions in which one organism eats another to gain energy
- the type of change that results in the formation of new chemical substances
- elements located to the right of the stair-step (zig zag) line on the periodic table
- two or more substances that are together but not chemically combined
- a table of the chemical elements arranged in order of atomic number
- the ability to move heat or electricity from one place to another
- positively-charged subatomic particles found in the nucleus
- a diagram that shows the amount of energy moving from one feeding (trophic) level to the next
- the amount of space an object occupies
- the law that states matter cannot be created or destroyed
- the ratio of an object's mass to its volume (M/V)
- neutrally-charged subatomic particles found in the nucleus
Down
- the type of change in which the form (appearance) of matter is altered but one substance is not changed into another
- the number of protons plus the number of neutrons contained in an atom's nucleus
- negatively-charged subatomic particles found in a cloud surrounding the nucleus
- a pure substance that cannot be broken down chemically
- a substance that consists of 2 or more elements combined in a set ratio
- elements or compounds on the left side of a chemical reaction (what you start with)
- the number of protons or electrons contained in an element
- elements or compounds on the right side of a chemical reaction (what you produce)
- the center of an atom that contains the protons and neutrons
- two or more atoms joined (bonded) together chemically
- the amount of matter in an object
- a diagram that shows many overlapping food chains
24 Clues: the amount of matter in an object • the amount of space an object occupies • a diagram that shows many overlapping food chains • the ratio of an object's mass to its volume (M/V) • two or more atoms joined (bonded) together chemically • a pure substance that cannot be broken down chemically • the law that states matter cannot be created or destroyed • ...
Tristen's Crossword 2018-02-16
Across
- a chemical bond between two ions with opposite charge.
- it's composed of two or more separate elements; a mixture.
- the state or power of being reactive
- a matter that has constant composition and characteristics.
- able to be drawn out into a thin wire.
- an atom or molecule with a net electric charge.
- can be pressed out of shape without breaking or cracking.
- chemical bonds formed by the electrons between atoms.
- keeping or showing a balance; arranged in good proportions.
- a pair of equal and oppositely charged or magnetized poles.
- a can be positive or negative
- existing or taking place between molecules.
- characteristic of substance that's observed on reaction.
- relating to or resembling metal or metals.
- statement that the values of two mathematical expressions.
- a small positive nucleus surrounded by orbiting electrons.
Down
- a group algebraic structure consisting a set of elements.
- Valence shell electron pair repulsion.
- a group of atoms bonded together.
- known as diagrams as a dot structures.
- relating to the body as opposed to the mind.
- existing or taking place within a molecule.
- measured by the number of hydrogen atoms.
- a part or aspect of something abstract.
- stable subatomic particle with a charge negative electricity.
- a specified material conducts electricity.
- consists one atom.
- a chemical element with symbol H
- the property of a solid, liquid, or gaseous substance.
- it consists of many atoms.
- process that leads to transformation of one set of chemical.
- a negatively charged ion.
- a way of using the formulas to indicate the chemicals.
- of or containing water, typically as a solvent or medium.
- it is a positive ion.
35 Clues: consists one atom. • it is a positive ion. • a negatively charged ion. • it consists of many atoms. • a can be positive or negative • a chemical element with symbol H • a group of atoms bonded together. • the state or power of being reactive • Valence shell electron pair repulsion. • known as diagrams as a dot structures. • able to be drawn out into a thin wire. • ...
Classification of Matter Crossword 2024-10-26
Across
- A process where a liquid mixture is separated into its components by selectively boiling the mixture and then condensing the vapors
- Observed when a substance undergoes a chemical change
- Depends on the amount of Matter present
- A process of evaporating off the liquid phase to separate the solids
- Does not depend on the amount of Matter present
- Pouring off the top of the mixture after allowing the mixture to separate
- A mixture that has uniform composition
- Two or more atoms connected by chemical bonds
- Tightly packed molecules with definite shape and volume
- Observed without changing the substance
- Loosely packed molecules with definite volume and indefinite shape
- Two or more chemical elements connected by a chemical bond
- The process of allowing the solids to settle out in a mixture
- A heterogeneous mixture of a fluid that contains solid particles
- The smallest building block of all matter
Down
- The specific temperature and pressure of a substance at which all three phases are present
- A homogeneous mixture of two or more substances
- A reaction which gives off energy
- The process of filtering a mixture through a substrate to separate the different sized particles
- A reaction which absorbs energy
- A technique for separating dissolved chemical substances by taking advantage of their different rates of migration across sheets of paper
- A mixture that has non-uniform composition
- Molecules with lots of kinetic energy and indefinite shape and volume
- The specific temperature and pressure of a substance at which the distinction between liquid and gas of a substance dissappears
- A substance made up of all the same type of atoms
- Solutions of microscopically dispersed insoluble particles of one substance are suspended in another substance
26 Clues: A reaction which absorbs energy • A reaction which gives off energy • A mixture that has uniform composition • Depends on the amount of Matter present • Observed without changing the substance • The smallest building block of all matter • A mixture that has non-uniform composition • Two or more atoms connected by chemical bonds • ...
Ch 13 Vocabulary 2019-05-21
Across
- The numbers in front of the chemical formulas of the reactants and products in a balanced chemical equation. They indicate the correct ratio in which the reactants combine to form the products.
- A + B --> C
- A + BC --> AC + B
- The simplest chemical formula that can be used to represent network covalent or ionic compounds that shows the elements present in the smallest whole number ratio
- A change that alters the form of a substance but does not change the chemical identity of the substance
Down
- AB + CD --> AD + CB
- The scientific law that states that mass cannot be gained or lost in a chemical reaction and that matter cannot be created or destroyed
- A --> B + C
- A transformation that alters the composition of one or more substances such that one or more new substances with new properties are produced0
- A representation of a chemical reaction written with chemical symbols and formulas
10 Clues: A --> B + C • A + B --> C • A + BC --> AC + B • AB + CD --> AD + CB • A representation of a chemical reaction written with chemical symbols and formulas • A change that alters the form of a substance but does not change the chemical identity of the substance • ...
ELECTROCHEMISTRY 2023-01-02
Across
- Metallic ______is the oxidation-reduction reactions of a metal with atmospheric components
- Electrode potential is assumed to be positive. The reaction is _______.
- Electrode that undergoes reduction
- which ion will attracted to terminal positive and undergo oxidation in Electrolytic Cells
- One of the commercial applications of electrolytic cells?
- ______ ‘s Law states that the amount of substance undergoing chemical reaction at each electrode during electrolysis is directly proportional to the amount of electricity that passes through the electrolytic cell.
- Process that used electrical energy to force nonspontaneous chemical reactions to occur.
Down
- In voltaic cells, there are two metals that act as electrodes which are Cu and Ag. Which metal will act as anode and become thin in the cell.
- The amount of charge that passes a given point when a current of one ampere (A) flows for one second is called _____.
- In electrochemistry,there are two different electrochemical cells that contain non spontaneous and the other one containing spontaneous. What are chemical cells that contain spontaneous chemical reactions?
- In Copper-Magnesium cell, the Cu2+is the cathode because it is a stronger______ agent than Mg2+
- Electrode that undergoes oxidation
- Cell that converts electrical energy to chemical energy
- In electrolysis of aqueous potassium chloride, _______ gas produced at one electrode.
- The _____equation describes the electrode potentials at nonstandard conditions
15 Clues: Electrode that undergoes oxidation • Electrode that undergoes reduction • Cell that converts electrical energy to chemical energy • One of the commercial applications of electrolytic cells? • Electrode potential is assumed to be positive. The reaction is _______. • The _____equation describes the electrode potentials at nonstandard conditions • ...
Biology Crossword Puzzle 2022-12-11
Across
- Positevly charged
- electrons are not shared evenly over the covalent bond and the atoms involved have small partial charges resulting in what are called dipoles.
- A basic part of a whole
- A descriptive generalization about how some aspect of the natural world behaves under stated circumstances.
- a testable statement about the relationship between two or more variables
- The smallest particle of a substance that has all of the physical and chemical properties of that substance physical material from which something is made or which has discrete existence
- any item or service you sell to serve a customer's need or want.
- negatively charged
- no electric charge
Down
- one of two or more species of atoms of a chemical element with the same atomic number and position in the periodic table and nearly identical chemical behavior but with different atomic masses and physical properties
- an atom or group of atoms in which the number of electron s is different from the number of protons The smallest particle of a substance that has all of the physical and chemical properties of that substance physical material from which something is made or which has discrete existence
- any substance that increases the rate of a reaction without itself being consumed.
- a supposition or a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained.
- any substance that has a defined composition
- a substance made from two or more different elements that have been chemically joined
- a substance that enters into and is altered in the course of a chemical reaction
- anything that occupies space and has mass
- A collection of facts from which conclusions may be drawn
18 Clues: Positevly charged • negatively charged • no electric charge • A basic part of a whole • anything that occupies space and has mass • any substance that has a defined composition • A collection of facts from which conclusions may be drawn • any item or service you sell to serve a customer's need or want. • ...
Chemistry Crossword Puzzle 2022-02-18
Across
- flexibility of a substance to be molded or shaped
- A substance in which the atoms of 2 or more elements are combined
- A set of at least two atoms, identical or not, chemically attached to each other
- The substances produced at the end of the reaction
- A particle that makes up the nucleus of an atom and has a positive charge identical to that of the electron
- A substance that is present at the start of a chemical reaction and is used or consumed during the reaction
- an atom or molecule that has gained or lost one or more electrons.
Down
- Table a table of the chemical elements arranged in order of atomic number
- atom attractions that form substances
- The internal part of an atom. It is composed of neutrons and protons
- A negatively charged particle that comprises the external part of the atom
- solution solution that uses water as the solvent
- Point The point in temperature when the solid starts to liquefy
- A fragment of a chemical component constituting the tiniest quantity able to be associated with another element
- An uncharged elementary particle that has a mass nearly equal to that of the proton and is present in all known atomic nuclei except the hydrogen nucleus
15 Clues: atom attractions that form substances • solution solution that uses water as the solvent • flexibility of a substance to be molded or shaped • The substances produced at the end of the reaction • Point The point in temperature when the solid starts to liquefy • A substance in which the atoms of 2 or more elements are combined • ...
Biochemistry 2026-03-25
Across
- A term used to refer loosely to the broad class of polyhydroxylated aldehydes and ketones.
- The partial or complete disorganization of a protein’s characteristic three-dimensional shape as a result of disruption of its secondary, tertiary, and quaternary structural interactions.
- The study of the chemical substances found in living organisms and the chemical interactions of these substances with each other.
- Monosaccharides with 5 carbons in their backbones.
- A hydrolysis reaction carried out in an alkaline solution and is the process by which soap is made.
- A naturally occurring, unbranched polymer in which the monomer units are amino acids.
- Protein structure that involves the order of attachment of amino acids.
- A polysaccharide similar to cellulose in function and structure.
Down
- A molecule that has a positive charge on one atom and a negative charge on another atom, but which has no net charge.
- A chemical reaction which increases the degree of saturation of a fatty acid as some double bonds are converted to single bonds.
- The reverse of the formation reaction for a peptide bond.
- Isomers that differ in spatial arrangement of atoms, rather than order of connectivity
- An organic compound found in living organisms that is insoluble in water but soluble in nonpolar organic solvents.
- Substances that do not contain carbon.
- An alternate name for a polysaccharide.
15 Clues: Substances that do not contain carbon. • An alternate name for a polysaccharide. • Monosaccharides with 5 carbons in their backbones. • The reverse of the formation reaction for a peptide bond. • A polysaccharide similar to cellulose in function and structure. • Protein structure that involves the order of attachment of amino acids. • ...
Beginner's Luck (Easy) 2017-10-24
Across
- Seven
- Shell
- Type of mixture
- Wave period
- Solute + solvent
- Not neutral
- Type of gas
- Reaction accelerant
- Chemical equation species
- 6.02x10^23
- Proton acceptor
Down
- Phase change
- Atomic linkage
- Pressure unit
- Temperature unit
- Radioactive elements
- _______ flask
- On target
- Concentration unit
- Chlorine or bromine
- Element number 16
- Heat unit
22 Clues: Seven • Shell • On target • Heat unit • 6.02x10^23 • Wave period • Not neutral • Type of gas • Phase change • Pressure unit • _______ flask • Atomic linkage • Type of mixture • Proton acceptor • Temperature unit • Solute + solvent • Element number 16 • Concentration unit • Chlorine or bromine • Reaction accelerant • Radioactive elements • Chemical equation species
Beginner's Luck (Easy) 2017-10-24
Across
- Element number 16
- Atomic linkage
- Temperature unit
- Chlorine or bromine
- Pressure unit
- Chemical equation species
- _______ flask
- Reaction accelerant
- Shell
- Not neutral
- Wave period
- Solute + solvent
Down
- Proton acceptor
- Seven
- 6.02x10^23
- Type of gas
- On target
- Radioactive elements
- Type of mixture
- Phase change
- Concentration unit
- Heat unit
22 Clues: Seven • Shell • On target • Heat unit • 6.02x10^23 • Type of gas • Not neutral • Wave period • Phase change • Pressure unit • _______ flask • Atomic linkage • Proton acceptor • Type of mixture • Temperature unit • Solute + solvent • Element number 16 • Concentration unit • Chlorine or bromine • Reaction accelerant • Radioactive elements • Chemical equation species
Vocab Crossword 2019-08-25
Across
- Characteristics of a chemical.
- The process of a liquid forming into a solid
- What represents the atoms in a compound?
- Two or more atoms combined.
- When a substance changes its physical form
- The process of a solid changing to a lquid
- The energy absorbed or released during a change of phase
Down
- The chemical process of forming new materials.
- The opposite of evaporation
- the process of a gas forming into a solid
- The force of attraction between two atoms which holds them together.
- Something you can touch.
12 Clues: Something you can touch. • The opposite of evaporation • Two or more atoms combined. • Characteristics of a chemical. • What represents the atoms in a compound? • the process of a gas forming into a solid • When a substance changes its physical form • The process of a solid changing to a lquid • The process of a liquid forming into a solid • ...
II-1 Energy Flow & Metabolism, Enzymes Crossword 2022-02-10
Across
- Enzymes act as this to speed up a reaction
- Ending seen in names of enzymes
- Work maintains the cell moving molecules and ions
- More dense form of stored energy than sugars
- Energy barrier that is reduced by an enzyme
- Had electrons added
- Densest more reduced form of stored food energy
- Energy of the sun
- Reaction involving electron status changing
Down
- Protein or RNA that helps a reaction occur
- Work such as moving myosin by walking on actin
- Electron-rich, high energy, reduced carbon
- Converted into ATP with input of energy and P
- Reactant that binds to an enzyme
- Energy stored in molecules and bonds
- Had electrons taken away
16 Clues: Energy of the sun • Had electrons added • Had electrons taken away • Ending seen in names of enzymes • Reactant that binds to an enzyme • Energy stored in molecules and bonds • Protein or RNA that helps a reaction occur • Enzymes act as this to speed up a reaction • Electron-rich, high energy, reduced carbon • Energy barrier that is reduced by an enzyme • ...
Organic molecules, Inorganic Compounds & Minerals 2025-05-17
Across
- Element required in small quantities
- Monomers of nucleic acids
- Two monosaccharides that has bonded
- Does not usually contain C
- A type of reaction that breaks down
- A deficiency in this mineral causes anaemia
- protein molecules that control metabolic reactions
Down
- A chemical reaction in plants
- Contains C, H and O
- A disease that is caused due to a lack of vitamin C
- A type of reaction that builds
- A solution used to test for glucose
- The colour change of iodine solution in the presence of starch
- are solids at room temperature
- A reagent used to test for protein
- Element required in large quantities
16 Clues: Contains C, H and O • Monomers of nucleic acids • Does not usually contain C • A chemical reaction in plants • A type of reaction that builds • are solids at room temperature • A reagent used to test for protein • A solution used to test for glucose • Two monosaccharides that has bonded • A type of reaction that breaks down • Element required in small quantities • ...
Chemistry 2023-07-06
Across
- A mineral found in some foods
- A chemical element with the symbol N and atomic number 7
- A chemical that can dissolve in water, combine with acids to form salts, and make acids less acidic
- A chemical element with the symbol Li and atomic number 3
- The chemical element with the symbol H and atomic number 1
- The smallest particle of a substance that has all of the physical and chemical properties of that substance
- The quality or condition of being reactive
Down
- Any basic substance that is used in or produced by a reaction involving changes to atoms or molecules
- A negatively charged particle
- A chemical element with the symbol Ti and atomic number 22
- A chemical substance that cannot be broken down into other substances
- What is O2
- a chemical element with the symbol Cu and atomic number 29
- The second lightest member of the halogen elements
- The smallest part of an element that can exist.
- Any atom or group of atoms that bears one or more positive or negative electrical charges
16 Clues: What is O2 • A mineral found in some foods • A negatively charged particle • The quality or condition of being reactive • The smallest part of an element that can exist. • The second lightest member of the halogen elements • A chemical element with the symbol N and atomic number 7 • A chemical element with the symbol Li and atomic number 3 • ...
Chemistry comes alive 2024-09-13
Across
- Energy directly involved in moving matter(pg24)
- Heterogenous mixtures also called emulsions (pg30)
- capacity or ability to do work or put matter into motion (pg24)
- Energy in action (pg24)
- The key to chemical reactivity (pg31)
- Energy that results from movement of charges particles. (pg24)
- Net positive charge (pg32)
- Modified triglycerides. (pg47)
- Component of protein and nucleic acids (genetic material)(pg26)
- Identical particles or building blocks (pg25)
- Polymers of simple sugars linked together by dehydration synthesis (pg43)
- Happens when acids and bases are mixed (pg40)
- Substance on which enzymes acts (pg52)
- Energy that travels in waves. (pg24)
- Substances composed of 2 or more components physically intermixed (pg29)
- Energy absorbing reaction containing more potential energy in their chemical bonds than did the reactions (pg37)
- Net negative charge. (pg32)
- State of matter that has definite volume, but conform to the shape of its container
- Compact, spherical protein that have at least tertiary structure (pg50)
- Double sugar (pg43)
- Resist abrupt and large swings in the pH of the body fluids by releasing hydrogen ions when pH begins to rise and by binding hydrogen when pH drops (pg41)
- Heavy unstable isotopes (pg28)
- Reaction that releases energy (pg 37)
- Structural basis for manufacture of all body steroids (pg46)
- Group of molecules that includes sugars and starches. (pg43)
- Component of all organic molecules, As an ion (proton). It influences the pH of the body fluids. (pg26)
- Homogenous mixtures of components that may be solids, liquids or gases (pg 29)
- Take up hydrogen ions in detectable amounts (pg39)
- Neutral fats (pg46)
Down
- Biological catalysts (pg38)
- Layers formed by water molecules (pg38)
- type of energy stored in the bonds of chemical substances (pg24)
- Substances that increase the rate of chemical reaction without themselves becoming chemically changed o part of the product (pg38)
- Formed when 2 or more molecules are combined.
- Stored/ inactive energy that has capability to do work. (pg24)
- Heterogenous mixtures with large, often viable solutes that tend to settle out pg30
- Simple sugars (pg43)
- Fatty acid that contains on or more double bonds between carbon atoms (pg46)
- Element need to make functional thyroid hormones.
- Protein that is extended and strand-like (pg50)
- Insoluble in water but readily dissolve in organic solvents (pg43)
- Unique substances that cannot be broken down into simpler substances by ordinary chemical methods (pg25)
- anything that occupies space and has mass (pg24)
- Substance that releases hydrogen ions in detectable amounts (pg39)
- The study of chemical composition and reactions of living matter (pg38)
- Most abundant and important organic compound in living cells (pg38)
- Lipid and protein- based substances that transport fatty acid and cholesterol in the blood stream (pg46)
- Chainlike molecules made of many similar or repeating units (pg42)
- Flat molecules made of 4 interlocking hydrocarbon rings (pg47)
- Component of proteins, particularly muscle proteins.
- Reaction that occurs when molecule is broken down into smaller molecules or its constituent atoms (pg36)
51 Clues: Double sugar (pg43) • Neutral fats (pg46) • Simple sugars (pg43) • Energy in action (pg24) • Net positive charge (pg32) • Biological catalysts (pg38) • Net negative charge. (pg32) • Modified triglycerides. (pg47) • Heavy unstable isotopes (pg28) • Energy that travels in waves. (pg24) • The key to chemical reactivity (pg31) • Reaction that releases energy (pg 37) • ...
Problems In the Body 2025-11-05
15 Clues: Air • Tired • Glucose • Low iron • Diabetes 1 • Amino Acid • Blood sugar • Doesn't process • Unlocks glucose • Oxygen shortage • Popeye's favorite • Medicine to breathe • Juice in the stomach • Gland the helps digestion • Chemical reaction in cells
Redox reactions 2025-07-17
Across
- A substance that loses electrons and causes another to gain them
- Particles lost or gained in redox reactions
- A word used with "oxidising" or "reducing" to describe the chemical that causes redox change
- Specific term for the corrosion of iron
- Loss of electrons or gain of oxygen
Down
- The slow destruction of metals by chemical reaction with the environment
- A substance that gains electrons and causes another to lose them
- A type of redox reaction where a more reactive element replaces a less reactive one
- A reaction involving both oxidation and reduction
- Gain of electrons or loss of oxygen
10 Clues: Gain of electrons or loss of oxygen • Loss of electrons or gain of oxygen • Specific term for the corrosion of iron • Particles lost or gained in redox reactions • A reaction involving both oxidation and reduction • A substance that gains electrons and causes another to lose them • A substance that loses electrons and causes another to gain them • ...
Thermochemistry Crossword 2022-05-17
Across
- A type of reaction that takes in energy.
- and pressure.
- The energy it takes for something to be raised by 1-degree Celcius.
- The amount of heat needed for a mole of a substance to change from liquid to gas in constant temperature and pressure.
- The focus of your attention.
- A tool that is used to find the heat from a chemical reaction or some other process.
- Everything else in the experiment that is not the system.
Down
- The energy required for 1 gram of something to be raised 1 degree Celcius.
- A chemical equation that involves the change in heat.
- The process of determining a change in energy using a calorimeter.
- The amount of heat required for a mole of a substance to change from solid to liquid in constant temperature and pressure.
- A type of reaction that releases energy.
- Unit of energy required to raise 1g of water by 1 degree Celcius
- The total heat in the system.
- Heat that is released when something dissolves.
- SI unit or energy.
16 Clues: and pressure. • SI unit or energy. • The focus of your attention. • The total heat in the system. • A type of reaction that takes in energy. • A type of reaction that releases energy. • Heat that is released when something dissolves. • A chemical equation that involves the change in heat. • Everything else in the experiment that is not the system. • ...
Oxidation and Reduction 2020-10-23
Across
- Loss of electrons and gain of oxygen
- Site at which oxidation or reduction occur : an anode or cathode
- Gain of electrons and decrease of oxidation number
- An electrode immersed in electrolyte solution that is the site of either oxidation or reduction in a voltaic cell
- A substance that reduce a chemical compound by donating electron
- Oxidation and reduction occur simultaneously
Down
- Number assigned to keep track of electron gain or loss in redox reaction
- The electron acceptor in a redox reaction
- The process of decomposing a chemical compound by passage of an electric current
- Electrode when reduction occurs
- Electrode at which oxidation occur during a cell's redox reaction
11 Clues: Electrode when reduction occurs • Loss of electrons and gain of oxygen • The electron acceptor in a redox reaction • Oxidation and reduction occur simultaneously • Gain of electrons and decrease of oxidation number • Site at which oxidation or reduction occur : an anode or cathode • A substance that reduce a chemical compound by donating electron • ...
Unit 1 - Matter 2023-09-19
Across
- A technique that is used to separate the components of a mixture based on the tendency of each component to travel or be drawn across the surface of another material.
- the process that separates a solid from the liquid in a heterogeneous mixture
- A combination of two or more substances that are not chemically combined
- A chemical substance that is present at the start of a chemical reaction
- property, A characteristic of a pure substance that can be observed without changing it into another substance
- mixture, a mixture that is uniform in composition; components are evenly distributed and not easily distinguished
- A process that separates the substances in a solution based on their boiling points
- change, A change in a substance that does not involve a change in the identity of the substance
- A pure substance made of only one kind of atom
- Anything that has mass and takes up space
Down
- mixture, A mixture that is not uniform in composition; components are not evenly distributed throughout the mixture
- A substance produced in a chemical reaction
- A single kind of matter that is pure and has a specific set of properties.
- A mixture that forms when one substance dissolves another.
- property, A characteristic of a pure substance that describes its ability to change into different substances
- reaction, the process by which one or more substances change to produce one or more different substances
- A substance made up of atoms of two or more different elements joined by chemical bonds
- change, A change that occurs when one or more substances change into entirely new substances with different properties.
18 Clues: Anything that has mass and takes up space • A substance produced in a chemical reaction • A pure substance made of only one kind of atom • A mixture that forms when one substance dissolves another. • A combination of two or more substances that are not chemically combined • A chemical substance that is present at the start of a chemical reaction • ...
Electrical Energy Puzzle 2024-02-02
Across
- no charge
- transfer of heat by gas or liquid currents
- positive charge
- slows down movement of electrons
- release by a chemical reaction
Down
- negative charge
- allows the movement of electrons
- transfer of heat by touching
- stored energy
- transfer of heat through waves
- electrons that move in a steady flow
- build up of charges
- energy of motion
- smallest part of matter
14 Clues: no charge • stored energy • negative charge • positive charge • energy of motion • build up of charges • smallest part of matter • transfer of heat by touching • transfer of heat through waves • release by a chemical reaction • allows the movement of electrons • slows down movement of electrons • electrons that move in a steady flow • transfer of heat by gas or liquid currents
Chemistry Crossword Puzzle 2022-02-18
Across
- A negatively charged particle that comprises the external part of the atom
- atom attractions that form substances
- The internal part of an atom. It is composed of neutrons and protons
- A substance in which the atoms of 2 or more elements are combined
- flexibility of a substance to be molded or shaped
- The substances produced at the end of the reaction
- Point The point in temperature when the solid starts to liquefy
- An uncharged elementary particle that has a mass nearly equal to that of the proton and is present in all known atomic nuclei except the hydrogen nucleus
Down
- solution solution that uses water as the solvent
- Table a table of the chemical elements arranged in order of atomic number
- A fragment of a chemical component constituting the tiniest quantity able to be associated with another element
- an atom or molecule that has gained or lost one or more electrons.
- A substance that is present at the start of a chemical reaction and is used or consumed during the reaction
- A set of at least two atoms, identical or not, chemically attached to each other
- A particle that makes up the nucleus of an atom and has a positive charge identical to that of the electron
15 Clues: atom attractions that form substances • solution solution that uses water as the solvent • flexibility of a substance to be molded or shaped • The substances produced at the end of the reaction • Point The point in temperature when the solid starts to liquefy • A substance in which the atoms of 2 or more elements are combined • ...
Chemistry 10th Grade 2025-02-13
Across
- A scale measuring the acidity or alkalinity of a solution, ranging from 0 (acidic) to 14 (basic).
- The smallest unit of matter that retains the properties of an element.
- A negatively charged subatomic particle that orbits the nucleus of an atom.
- A group of atoms bonded together, representing the smallest unit of a chemical compound.
- An atom or molecule with a net electric charge due to the loss or gain of electrons.
- A substance that accepts protons (H⁺ ions) or donates electrons in a chemical reaction.
- A process where substances (reactants) transform into new substances (products).
- A substance formed when two or more elements are chemically bonded together.
Down
- A positively charged subatomic particle found in the nucleus of an atom.
- Refers to the periodic table, which organizes elements by atomic number and properties.
- The amount of matter in an object, often measured in grams or kilograms.
- A pure substance consisting of only one type of atom, defined by its atomic number.
- A neutral subatomic particle found in the nucleus of an atom.
- A substance that donates protons (H⁺ ions) or accepts electrons in a chemical reaction.
- A force that holds atoms together in a molecule, such as ionic or covalent bonds.
15 Clues: A neutral subatomic particle found in the nucleus of an atom. • The smallest unit of matter that retains the properties of an element. • A positively charged subatomic particle found in the nucleus of an atom. • The amount of matter in an object, often measured in grams or kilograms. • A negatively charged subatomic particle that orbits the nucleus of an atom. • ...
Q4 Review 2024-05-28
Across
- Based on the concentration of hydronium ions in an acid/base solution
- OH-
- A type of chemical reaction between an acid and a base that brings the pH to 7.
- _______ acid or base is created after the transfer of a H+ ion.
- Moles of solute / Liters of solution
- When the rate of the forwards reaction equals the rate of the backwards reaction.
- The energy given off when an atom undergoes nuclear decay
- The type of nuclear decay where a neutron breaks down into a proton and an electron
- The type of nuclear decay that emits a helium nucleus
- Happens in nuclear power plants, a large atom breaks apart into two or more smaller atoms
- Based on the concentration of hydroxide ions in an acid/base solution
Down
- _______ Principle: States how different stressors affect the equilibrium of a solution.
- H3O+
- An experiment done to determine the molarity of an acid or a base
- _______ reaction; happens during nuclear fission to keep the reaction happening due to the emission of neutrons.
- The addition of this lowers the activation energy of a reaction, allowing it to happen faster
- Less solute is dissolved than in a more concentrated solution
- _______ area of a solid affects the rate of reaction; as it increases, the rate increases.
- How much solute is dissolved in an amount of solvent; can be qualitative (dilute or concentrated) or a number (molarity)
- Happens in the sun, two small atoms combine into a larger atom.
- An _______ nucleus is present in all radioactive materials
- The type of nuclear radiation that emits a larger amount of energy than alpha or beta
- _______ reaction: both the forwards and backwards reactions can happen.
- _______ of reaction: how fast a reaction takes place
- Accepts H+ ions
- Donates H+ ions
26 Clues: OH- • H3O+ • Accepts H+ ions • Donates H+ ions • Moles of solute / Liters of solution • _______ of reaction: how fast a reaction takes place • The type of nuclear decay that emits a helium nucleus • The energy given off when an atom undergoes nuclear decay • An _______ nucleus is present in all radioactive materials • ...
Redox Reaction Concept 2019-11-21
Across
- Oxidation is always occur at the _____
- S atom (no charge) gains 2 ____ reduced to S2-.
- The solutions in a_____ cell are called electrolyte.
- Reduction is always occur at the _____
- Oxidation is the ___ of electrons
- _____ reaction is a redox reaction between a compound and molecular oxygen (O2) to form oxygen-containing products
- The reducing ____ is the reactant that is being oxidized
- Anode is the ____ terminal.
Down
- Cathode is the ____ terminal.
- Elements which placed higher in the electrochemical series are more ____
- ____ reaction is type of chemical reaction that involves a transfer of electrons between two species
- ____ is always has +3 of oxidation number
- ____ is the gaining of hydrogen.
- Complete the cell circuit by connecting the solutions of two half cell, without allowing them to mix each other.
- Litium is one of _____ metal
- Reduction is the ___ of electrons.
16 Clues: Anode is the ____ terminal. • Litium is one of _____ metal • Cathode is the ____ terminal. • ____ is the gaining of hydrogen. • Oxidation is the ___ of electrons • Reduction is the ___ of electrons. • Oxidation is always occur at the _____ • Reduction is always occur at the _____ • ____ is always has +3 of oxidation number • S atom (no charge) gains 2 ____ reduced to S2-. • ...
Types of Chemical Reactions 2024-02-28
Across
- One reactant is broken down into two or more products
- replacement Chemical change in which 2 reactants become 2 new products (2 Words)
- Reaction where heat is released
- replacement Single element replaces an element in a binary compound (2 Words)
- Metal that releases a blue-white light when burned
- compounds compound that has two parts, a negative ion and a positive ion. I.e. a salt
- Reactants form one product
- This law states that atoms must be equal in reactants & products
Down
- Reaction where heat is absorbed
- Substances on the left side of the arrow
- Substances on the right side of the arrow
- You multiply the entire molecule by this number
- Gas molecule in reactant of combustion
- Another word for a synthesis reaction
- Substance used to start reaction
- Oxygen is a reactant; i.e. burning
16 Clues: Reactants form one product • Reaction where heat is absorbed • Reaction where heat is released • Substance used to start reaction • Oxygen is a reactant; i.e. burning • Another word for a synthesis reaction • Gas molecule in reactant of combustion • Substances on the left side of the arrow • Substances on the right side of the arrow • ...
william sechrist 2018-02-16
Across
- a chemical bond between two ions with opposite charge.
- a group algebraic structure consisting a set of elements.
- keeping or showing a balance; arranged in good proportions.
- consists one atom.
- a small positive nucleus surrounded by orbiting electrons.
- existing or taking place between molecules.
- a part or aspect of something abstract.
- can be pressed out of shape without breaking or cracking.
- an atom or molecule with a net electric charge.
- a specified material conducts electricity.
- a group of atoms bonded together.
- a chemical element with symbol H
- measured by the number of hydrogen atoms.
- the property of a solid, liquid, or gaseous substance.
- characteristic of substance that's observed on reaction.
- a way of using the formulas to indicate the chemicals.
- a matter that has constant composition and characteristics.
- it is a positive ion.
- statement that the values of two mathematical expressions.
Down
- a can be positive or negative
- it's composed of two or more separate elements; a mixture.
- able to be drawn out into a thin wire.
- it consists of many atoms.
- relating to the body as opposed to the mind.
- chemical bonds formed by the electrons between atoms.
- existing or taking place within a molecule.
- the state or power of being reactive
- known as diagrams as a dot structures.
- a pair of equal and oppositely charged or magnetized poles.
- a negatively charged ion.
- stable subatomic particle with a charge negative electricity.
- relating to or resembling metal or metals.
- process that leads to transformation of one set of chemical.
- of or containing water, typically as a solvent or medium.
- Valence shell electron pair repulsion.
35 Clues: consists one atom. • it is a positive ion. • a negatively charged ion. • it consists of many atoms. • a can be positive or negative • a chemical element with symbol H • a group of atoms bonded together. • the state or power of being reactive • able to be drawn out into a thin wire. • known as diagrams as a dot structures. • Valence shell electron pair repulsion. • ...
Chemistry Vocab 2022-01-31
Across
- a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids
- a thing that is composed of two or more separate elements; a mixture
- the positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass
- a subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen
- a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign
- a minute portion of matter
- a physical or chemical property that is unique to a particular substance
- of, involving, or comprising a foundation; basic
- the nature of something's ingredients or constituents; the way in which a whole or mixture is made up
- the basic unit of a chemical element
Down
- relating to the nucleus of an atom
- a particle kind of matter with uniform
- the reactions a system produces in response to a particular circumstance
- a characteristic of a particular substance that can be observed in a chemical reaction
- marked by lack of variation, diversity, change in form, degree or character in all occurrences or manifestations
- consisting of uncombined atoms rather than molecules
- a group of atom bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction
- a pure substance consisting only of atoms that all have the same number of protons in their nuclei
- the idea that every substance has at least one property that makes it unique and able to be differentiated from other substances
- a substance made by mixing other substances together
20 Clues: a minute portion of matter • relating to the nucleus of an atom • the basic unit of a chemical element • a particle kind of matter with uniform • of, involving, or comprising a foundation; basic • consisting of uncombined atoms rather than molecules • a substance made by mixing other substances together • ...
POM Chapter 4-6 Vocab 2020-02-27
Across
- the amount of space occupied by a sample of matter
- the air surrounding the planet
- outtermost solid shell of the planet
- device used to pump air in and out
- the SI unit for measuring temperature
- the measure of how hot an object is
- the increase in volume of matter with increasing temperature
- to adust to the standard scale of reading
- energy transferring from one substance to another resulting in a temperature change
- a device used to get consistent measurements
- made of 2 or more types of metal
- series of giant rigid crusts that fit togerher like a moving spherical jigsaw puzzle
- numeric scale to express magnitude of earthquakes based on readings from seismograph
- movement of gas, plastic solids, or liquid caused by variation in density that results from uneven heating
- the mass of a substance that fills one unit of volume and is measured in grams per cm cubed.
- substances used to create a chemical reaction
Down
- discontinuation of a rock formation due to rock mass movement
- scientific tool used to measure temperature
- temperature scale used in the United States
- a chemical element that is a greenish yellow gas
- measure of the amount of matter of an object
- a chemical reaction in which a compound is decomposed by heating
- substances formed by chemical reactions
- the process of changing one substance to another
- solids, liquids, and gases represent the three_ of matter
- the decrease in volume of matter with decreasing temperature
- chemical element with the symbol O and atomic number of 8
- ability to do work
28 Clues: ability to do work • the air surrounding the planet • made of 2 or more types of metal • device used to pump air in and out • the measure of how hot an object is • outtermost solid shell of the planet • the SI unit for measuring temperature • substances formed by chemical reactions • to adust to the standard scale of reading • scientific tool used to measure temperature • ...
JAYDEN'S CROSSWORD 2026-02-27
Across
- The first letter of an element symbol is always a ______ letter
- What does Hydrogen and Oxygen make
- Which side are reactants written on a word equation?
- The 3 subatomic particle that are in an atom
- What is the chemical formula of 1 potassium atom, 1 oxegen atom and 1 hydrogen atom?
- Definition of "Atoms of the same element with the same number of protons but diferent number of neutrons"
- An element with similar properties to sodium
- What do you call the atoms that has a full valence shell
- What is the chemical symbol of Sodium
- Full outer shell
- What color is the magnesium when it touches the flame?
- The name of of the chemical symbol K in the periodic table
- The name of the chemical symbol Be
- A substance that cannot be broken down into any other substance
- When a substance that is made of 2 or more elements
Down
- Mass reactants= Mass products
- What is the scientific term of saying fizzing and bubbling in a chemical reaction
- Three things that are required for combustion to occur
- Dioxide What gas is being produced when baking soda is poured into vinegar
- The final substances that are being produced after the reaction has occurred
- What is the scientific name of breaking something down into smaller products in nature
- When a compound is using heat to break down into multiple products
- What do you call a compound that is combined with iron and sulfur
- The particles in copper carbonate agin heat energy which is converted to _____ energy
- When there is no substance being formed
25 Clues: Full outer shell • Mass reactants= Mass products • What does Hydrogen and Oxygen make • The name of the chemical symbol Be • What is the chemical symbol of Sodium • When there is no substance being formed • The 3 subatomic particle that are in an atom • An element with similar properties to sodium • When a substance that is made of 2 or more elements • ...
Science 2020-11-27
Across
- Atomic number 15.
- Center of a cell.
- Stuff you breathe.
- A scientist.
- Part of the name of a diagram.
- _____ is everything around you.
- What you drink.
Down
- A liquid ____.
- Symbol P.
- ______ reaction.
- What you can physical touch.
- A pure chemical substance that contains one kind of atom only.
- The minor component in a solution.
- A tiny piece of anything.
14 Clues: Symbol P. • A scientist. • A liquid ____. • What you drink. • ______ reaction. • Atomic number 15. • Center of a cell. • Stuff you breathe. • A tiny piece of anything. • What you can physical touch. • Part of the name of a diagram. • _____ is everything around you. • The minor component in a solution. • A pure chemical substance that contains one kind of atom only.
Chemistry 2019-11-11
Across
- a measurement clearly out of line with the trend
- a collision between particles that leads to a reaction
- a poor measurement (human error)
- a statement suggesting what will happen in the future
- the minimum amount of energy needed for a reaction to take place
- think about the method you used and how it could be improved
- the thing that you change
- the number of particles per unit volume
- the exterior of a solid that can react with other substances
Down
- problem with the apparatus
- the gap between the readings
- speeds up a chemical reaction by lowering the activation energy
- a collision between particles that doesn’t lead to a reaction
- the number of collisions taking place per unit time
- the amount of product formed or reactant used up over time
- the thing that you measure
16 Clues: the thing that you change • problem with the apparatus • the thing that you measure • the gap between the readings • a poor measurement (human error) • the number of particles per unit volume • a measurement clearly out of line with the trend • the number of collisions taking place per unit time • a statement suggesting what will happen in the future • ...
Thermal Energy 2022-03-07
Across
- Energy of movement
- The transfer of thermal energy
- The molecular level of a substance
- Substance that is made as a result of a chemical reaction
- Particles vibrate in place and are tightly packed
- The average kinetic energy of the particles in an object
- A substance that slows down or hinders the transfer of heat
Down
- A reaction where heat is released into the surroundings
- A reaction where heat is absorbed from the surroundings
- Substances that are the starting material of a reaction
- A substance that allows heat to transfer easily
- Particles move sliding past one another and change positions
- Particles are fast moving and spaced out
13 Clues: Energy of movement • The transfer of thermal energy • The molecular level of a substance • Particles are fast moving and spaced out • A substance that allows heat to transfer easily • Particles vibrate in place and are tightly packed • A reaction where heat is released into the surroundings • A reaction where heat is absorbed from the surroundings • ...
GET IT DONE! 2021-12-15
Across
- The type of reaction where two or more substances form a single product
- Substances that undergo a chemical change in a reaction
- The time rate of change of an object's velocity
- A chemical reaction that absorbs energy from its surroundings
Down
- Also known as Avogadro's number
- The distance an object travels plus the direction from the starting point
- Anything that has mass and takes up space
- Calculated with the formula distance over time
- atoms of an element with the same number of protons but different numbers of neutrons
- The force of attraction between molecules of different substances do they stick together
- The type of bond that is formed between oppositely charged ions
11 Clues: Also known as Avogadro's number • Anything that has mass and takes up space • Calculated with the formula distance over time • The time rate of change of an object's velocity • Substances that undergo a chemical change in a reaction • A chemical reaction that absorbs energy from its surroundings • The type of bond that is formed between oppositely charged ions • ...
Biology Crossword Project 2021-01-22
Across
- Any non-living component/factor
- The act of breathing
- Life-sustaining chemical reactions in organisms
- A group of tissues in a living organism that have adapted to do a specific function
- A stable state of balance
- Contains Chlorophyll, where photosynthesis takes place
- Membrane-bound unit that contains the fundamental molecules of life
- The substance on which an enzyme acts
- Converting light energy into chemical energy
- A substance produced by an organism to start a biochemical reaction
- Large biomolecules with one or more chains of amino acid
- An enzyme that is essential for breaking down lactose
Down
- The act in which offspring is produced by 2 biological parents
- All the bones and joints in your body
- A bacteria or virus that can cause disease
- Special organs and cells that fight infections
- Spontaneous movement of solvent molecules
- Movement of a substance from a place of high to low concentration
- Any living component/factor
- The network of organs and tissues that help you breathe
- Network of tissues that rid the body of toxins
- A substance that increases the rate of a chemical reaction
- State of all bodily systems being maintained and balanced
- The powerhouse of the cell
- The process of burning something
25 Clues: The act of breathing • A stable state of balance • The powerhouse of the cell • Any living component/factor • Any non-living component/factor • The process of burning something • All the bones and joints in your body • The substance on which an enzyme acts • Spontaneous movement of solvent molecules • A bacteria or virus that can cause disease • ...
Biosphere crossword 2017-11-17
Across
- different populations that live together
- A Oxe peckerbird and a rhino have what relationship
- Eat meat
- The first to colonize a land to fertilize the soil(Lichen)
- Ticks on mammals
- the chemicals that consist in a chemical reaction
- Movement of things out of a populated area
- Clown fish in a sea anemone
- Use sunlight to make foods from carbon dioxide and water
- Are not producers and get our own food.
- Processes of respiration and energy production occur in the cell
- Preying of one animal on others
- A vulture is a type of what
- Change or disturbance in an ecosystem
Down
- The deer ---------- is oversized
- Eats plants and animals
- The total capacity that an area can hold
- an area with non-living and living organisms
- Breathing chemical process that is in both plants and animals
- Eats only producers or plants
- Produces their own food.
- Some bugs can camouflage to hide from predators this is called.
- Interaction between two different organisms
- A resource factor that ca limit population growth
- a place with interactions of abiotic and biotic things
- Color pigments important to photosynthesis
- Movement of things into a populated area
- a group of living organisms that can reproduce
- the result of a chemical reaction
29 Clues: Eat meat • Ticks on mammals • Eats plants and animals • Produces their own food. • Clown fish in a sea anemone • A vulture is a type of what • Eats only producers or plants • Preying of one animal on others • The deer ---------- is oversized • the result of a chemical reaction • Change or disturbance in an ecosystem • Are not producers and get our own food. • ...
Biosphere crossword 2017-11-16
Across
- Interaction between two different organisms
- different populations that live together
- Some bugs can camouflage to hide from predators this is called.
- a place with interactions of abiotic and biotic things
- Processes of respiration and energy production occur in the cell
- The total capacity that an area can hold
- Color pigments important to photosynthesis
- Produces their own food.
- Breathing chemical process that is in both plants and animals
- Change or disturbance in an ecosystem
- the chemicals that consist in a chemical reaction
- Eats only producers or plants
- the result of a chemical reaction
- Preying of one animal on others
Down
- a group of living organisms that can reproduce
- Eats plants and animals
- Movement of things out of a populated area
- Movement of things into a populated area
- Clown fish in a sea anemone
- A vulture is a type of what
- The deer ---------- is oversized
- The first to colonize a land to fertilize the soil(Lichen)
- Ticks on mammals
- Use sunlight to make foods from carbon dioxide and water
- A resource factor that ca limit population growth
- Are not producers and get our own food.
- A Oxe peckerbird and a rhino have what relationship
- an area with non-living and living organisms
- Eat meat
29 Clues: Eat meat • Ticks on mammals • Eats plants and animals • Produces their own food. • Clown fish in a sea anemone • A vulture is a type of what • Eats only producers or plants • Preying of one animal on others • The deer ---------- is oversized • the result of a chemical reaction • Change or disturbance in an ecosystem • Are not producers and get our own food. • ...
Unit 5-Properties/Changes in Matter 2018-05-16
Across
- Gas- group 18 on the periodic table
- of Conservation of Mass/Matter- mass is neither created or destroyed
- Reactions- changes that result in new substances
- horizontal row on the periodic table
- Change- a change that does not change the identity
- substance that enters a chemical reaction
- of a chemical reaction
- anything that occupies space
- vertical column on the periodic table
- Table- A chart of elements relating elements
- A pure substance
- Mixture- A mixture that is unevenly distributed
- Two or more atoms bonded together
- an element with properties shininess,ductility,etc
- Point- Change from solid to liquid
- substances that are combined but not chemically
Down
- define shape and volume
- Point- change from liquid to gas
- Two or more elements chemically combinded
- material that can be pulled into a wire
- Equations- a equation where the reactants and products are equal
- element that lacks properties of metal
- Mendeleev- created the first version of the periodic table
- material that can be pounded into shapes
- with properties of metal and nonmetal
- no define shape but define volume
- Electrons-order to form a shared pair
- the ability to transfer heat to another object
- Mixture- A mixture that is evenly distributed
- no define shape or volume
30 Clues: A pure substance • of a chemical reaction • define shape and volume • no define shape or volume • anything that occupies space • Point- change from liquid to gas • no define shape but define volume • Two or more atoms bonded together • Point- Change from solid to liquid • Gas- group 18 on the periodic table • horizontal row on the periodic table • ...
science terms :D 2012-12-04
Across
- this is a theory
- rays a form of energy that you cannot see or feel
- inquiring of something you don't know
- putting together
- of conservation of mass the fact that matter can neither be created nor destroyed by any chemical reaction
- the prediction of what will happen
- elements elements whose nuclei naturally break down into other nuclei, giving off particles and energy
- Graduated cylinders & beakers are used to measure
- The base unit for Mass
- a chemical change in which oxygen reacts with other substances
- this makes up molecules
- the stuff that makes up matter
- The base unit for length
- is formed in the earth from radium, which is also radioactive
- Meter sticks or metric rulers are used to measure
Down
- a gas that occurs naturally
- split apart
- a plentiful fossil fuel
- A thermometer is used to measure
- the stuff that makes up everything
- synthetic fuel
- the study of rocks
- can slowly destroy objects made of iron or steel
- is made of molecules
- fusion a change in which small nuclei join to form a larger nucleus
- how tightly packed the molecule are
- reaction one or more substances change to form new substances
27 Clues: split apart • synthetic fuel • this is a theory • putting together • the study of rocks • is made of molecules • The base unit for Mass • a plentiful fossil fuel • this makes up molecules • The base unit for length • a gas that occurs naturally • the stuff that makes up matter • A thermometer is used to measure • the stuff that makes up everything • the prediction of what will happen • ...
science 2023-11-22
Across
- a number placed in front of an element symbol or chemical formula in an equation
- stored energy
- the amount of matter in an object
- occurs when one substance reacts to another
- the mass per unit volume of a substance
- a charachteristic of matter that can be observed
- could be hot or cold
- more energy is released when the products form than is required
- energy due to motion
- occurs when substances react with oxidizing agents changing it to a new substance
- the amount of force per unit area applied to an objects surface
- the amount of space an item takes up
- more energy is required to break the bonds of the reactants
Down
- the ability to burn
- matter with a composition that is always the same
- from a liquid to a gas
- two or more atoms that are held together by convalent bonds
- when atoms form new bonds
- a starting substance in a chemical reaction
- the energy released when atoms form bonds
- the result of the motipon of all the particles heating the substance up
- a substance produced by a chemical reaction
- a substance containing one or more different elements chemically bonded together
- smallest thing in the universe
- consists of only one type of atom
25 Clues: stored energy • the ability to burn • could be hot or cold • energy due to motion • from a liquid to a gas • when atoms form new bonds • smallest thing in the universe • the amount of matter in an object • consists of only one type of atom • the amount of space an item takes up • the mass per unit volume of a substance • the energy released when atoms form bonds • ...
science 2023-11-22
Across
- a number placed in front of an element symbol or chemical formula in an equation
- stored energy
- the amount of matter in an object
- occurs when one substance reacts to another
- the mass per unit volume of a substance
- a charachteristic of matter that can be observed
- could be hot or cold
- more energy is released when the products form than is required
- energy due to motion
- occurs when substances react with oxidizing agents changing it to a new substance
- the amount of force per unit area applied to an objects surface
- the amount of space an item takes up
- more energy is required to break the bonds of the reactants
Down
- the ability to burn
- matter with a composition that is always the same
- from a liquid to a gas
- two or more atoms that are held together by convalent bonds
- when atoms form new bonds
- a starting substance in a chemical reaction
- the energy released when atoms form bonds
- the result of the motipon of all the particles heating the substance up
- a substance produced by a chemical reaction
- a substance containing one or more different elements chemically bonded together
- smallest thing in the universe
- consists of only one type of atom
25 Clues: stored energy • the ability to burn • could be hot or cold • energy due to motion • from a liquid to a gas • when atoms form new bonds • smallest thing in the universe • the amount of matter in an object • consists of only one type of atom • the amount of space an item takes up • the mass per unit volume of a substance • the energy released when atoms form bonds • ...
Biology Basics Review 2022-11-30
Across
- A description of something you can see, smell, touch, taste, hear
- A change in an organisms environment
- A guess about an object or outcome based on your observations
- substances that are created during a chemical reaction
- A macromolecule group that has many functions and runs our bodies
- Living things start as a single cell and change into a full grown organism, this means that they __
- All living things are made of these small units
- An observation that uses word descriptions to talk about qualities
- Living things are based on a universal __ code
Down
- Change over time
- An observation type that relies on measurements in the form of numbers
- A macromolecule group that stores hereditary information
- The macromolecule group that makes up a large portion of cell membranes
- A combination of chemical reactions in which an organism builds up or breaks down materials
- How an organism reacts to a change in its environment
- The macromolecule group our bodies break down for energy first
- Substances that go into a chemical reaction and get changed
- Living things maintain a stable, internal environment through a process called:
- Living things are capable of creating offspring, this process is called:
- The study of life
20 Clues: Change over time • The study of life • A change in an organisms environment • Living things are based on a universal __ code • All living things are made of these small units • How an organism reacts to a change in its environment • substances that are created during a chemical reaction • A macromolecule group that stores hereditary information • ...
Biochemistry 2022-12-01
Across
- Measures whether a substance is acidic or basic.
- Building block of protein.
- Process that involves combining simple substances into more complex substances.
- Lipids that is liquid at room temperature.
- Organic compounds that build and repair cells.
- Protein catalyst that speeds up or slows down the rate of chemical reactions.
- Substance that speeds up or slows down a chemical reaction without being changed or used up during the reaction.
- Molecules that DO NOT contain carbon and hydrogen.
- chemical process that occurs in living things.
- Change in the environment that causes an organism to react.
Down
- Molecules that contain BOTH carbon and hydrogen.
- The ability of an organism to maintain a stable internal environment if the external environment changes.
- Process that breaks down complex substances into simple substances.
- Lipid that is solid at room temperature.
- Nucleic acid that contains the genetic information about that organism.
- Energy rich substances that are found in foods such as vegetables,cereal grains and bread.
- Sugar that is a major source of energy for cells.
- Organic compounds that include fats,oils and waxes.
- Organic molecules that contain the instructions cells need to carry out their life process.
- Nucleic acid that reads the genetic information carried by the DNA and guides in the protein making process.
20 Clues: Building block of protein. • Lipid that is solid at room temperature. • Lipids that is liquid at room temperature. • Organic compounds that build and repair cells. • chemical process that occurs in living things. • Molecules that contain BOTH carbon and hydrogen. • Measures whether a substance is acidic or basic. • Sugar that is a major source of energy for cells. • ...
biochemistry 2013-09-09
Across
- substance that, in aqueous solution, is slippery to the touch
- the cleavage of chemical bonds by the addition of water
- pure chemical substance consisting of two or more different chemical elements
- chemistry subdiscipline involving the scientific study of the structure
- biologically important organic compounds made from amine and carboxylic acid functional groups
- organic molecules that form the basic building blocks of nucleic acids
- simplest form of sugar
- membrane-enclosed organelle
- organic compound comprising only carbon, hydrogen, and oxygen
- class of lipids that are a major component of all cell membranes
- fat or fatty acid in which there is at least one double bond within the fatty acid chain
- large biological molecules consisting of one or more chains of amino acids
- form of matter that has constant chemical composition
- ubiquitous family of large biological molecules that perform multiple vital roles in the coding
- an organic molecule
- polymeric macromolecules, or large biological molecules
- covalent chemical bond formed between two molecules
- variants of a particular chemical element
- surface on which a plant or animal lives
- anything that has both mass and volume
- basic building blocks of matter
- atom or molecule in which the total number of electrons is not equal to the total number of protons
- chemical reactions
Down
- electrically neutral group of two or more atoms held together by chemical bonds
- subgroup of the steroids
- subatomic hadron particle that has no net electric charge
- carbohydrate formed when two monosaccharides undergo a condensation reaction
- chemical bond that involves the sharing of electron pairs between atoms
- large biological molecules
- long carbohydrate molecules of monosaccharide units joined together by glycosidic bonds
- molecule that encodes the genetic instructions
- excessive loss of body water
- a group of naturally occurring molecules that include fats
- fat that consists of triglycerides containing only saturated fatty acids
- quantum mechanical system or particle that is bound
- number of protons found in the nucleus of an atom
- combination or composition
- type of chemical bond formed through an electrostatic attraction between two oppositely charged ions
- process that leads to the transformation of one set of chemical substances to another
- ot consisting of or deriving from living matter
- simple monosaccharide found in plants
- subatomic particle with a negative electric charge
- material system made up of two or more different substances which are mixed but are not combined chemically
- pure chemical substance
- subatomic particle with a positive electric charge
- homogeneous mixture composed of only one phase
- number total number of protons and neutrons
47 Clues: chemical reactions • an organic molecule • simplest form of sugar • pure chemical substance • subgroup of the steroids • large biological molecules • combination or composition • membrane-enclosed organelle • excessive loss of body water • basic building blocks of matter • simple monosaccharide found in plants • anything that has both mass and volume • ...
Chapter 16 Crossword 2015-01-08
Across
- substances to the left of the arrow
- when an insoluble substance crystallizes out of a solution it is called a ______
- when two or more elements or compounds unite to form one compound
- one element displaces another from a compound
- when an inhibitor is added to a food it is called _______
- the sum of the average atomic masses of the atoms in a molecule
- if thermal energy must be added during a reaction it is called ______
- a substance that may tie up reactants or catalysts thus slowing down a reaction
- the sum of the masses of the atoms or ions present in the formula of a compound
Down
- reaction the breakdown of one substance into two or more other substances
- shows changes that take place during a chemical reaction
- when the positive part of one compound unites with the negative part of another compound
- if thermal energy is released the reaction is called ______
- numbers used in front of the symbols in formulas
- something that speeds up a reaction without being permanently changed itself
- substances to the right of the arrow
16 Clues: substances to the left of the arrow • substances to the right of the arrow • one element displaces another from a compound • numbers used in front of the symbols in formulas • shows changes that take place during a chemical reaction • when an inhibitor is added to a food it is called _______ • if thermal energy is released the reaction is called ______ • ...
Neutralization Reactions 2021-08-04
Across
- where pH is most easily calculated
- two categories for neutralization reaction are strong acid and
- negatively charged O surrounds positively charged
- ions that don't react in a solution
- what kind of reaction is neutralization
- what is the pH of 7 called
- type of science
- pH end point depends on this
Down
- acetic acid is an example of what type of acid
- salt is this kind of compound
- happens to a strong acid in an aqueous solution
- neutralization maintains this
- type of reaction where acid and base make aqueous solutions
- what chemical is HMO3
- happens to water when pH level isn't correct
15 Clues: type of science • what chemical is HMO3 • what is the pH of 7 called • pH end point depends on this • salt is this kind of compound • neutralization maintains this • where pH is most easily calculated • ions that don't react in a solution • what kind of reaction is neutralization • happens to water when pH level isn't correct • acetic acid is an example of what type of acid • ...
Year 8 Science Definitions Crossword 2017-03-16
Across
- Elements that have the appearance of metals but not all the other properties of metals
- The process of changing state from solid to liquid
- A property of a substance that makes it able to be beaten, bent or flattened into shape
- The process of changing state from gas to liquid
- A shorthand way of writing an element. It always starts with a capital letter, and any other letters are lower case.
- A property of a substance that measures how dangerous it is when absorbed by your body
- Does not allow light to pass through it, like classroom walls
- A shorthand way of representing a compound
- A property of a substance that is an indicator of how easily it catches fire
- Chemical substances that are used up in a chemical reaction
- How well a substance dissolves in a liquid
- A property that describes how a substance combines with other substances to form new chemicals or how a substance breaks up into two or more different substances.
- A chemical change in which one or more new chemical substances are produced. May be described in a word equation.
- The process of adding heat energy which causes particles to move faster
- A property of a substance that means it is able to be drawn into a wire
- Substances made up of two or more different types of atoms that have been joined (bonded) together
- Pure substances made up of only one type of atom
- New chemical substances that are formed in a chemical reaction
Down
- Elements that conduct heat and electricity very well; shiny solids that can be made into thin wires and sheets that bend easily.
- The process of changing state from liquid to solid
- A way of describing a chemical reaction. It has the form reactant + reactant → product + product
- A property of a substance that describes whether light passes through, is partly absorbed or is totally absorbed by the substance
- The process of changing state from liquid to gas that happens only at the surface of the liquid
- The process of changing state from solid to gas.
- A table listing all known elements, grouped according to their properties
- Allows light to pass through completely, like normal window glass
- A property that you can either observe using your five senses, or measure directly without changing the substance being measured.
- Elements that do not conduct electricity or heat. They melt and turn into gases easily and are brittle and often coloured
- Change in which no new chemical substances are formed. This may be a change in shape, size or state. Many of these changes are easily reversible
- Very small particles that make up all things
- The state of matter that has a fixed volume, but no fixed shape
- The process of changing state from liquid to gas that occurs all through the liquid
- Allows some light to pass through it, like frosted glass
- A property of a substance that measures how likely a substance is to take part in a particular reaction
- The state of matter that has no fixed shape and no fixed volume
- Combinations of substances in which each keeps its own properties
- A property of a substance that describes whether it is shiny, glassy, waxy, metallic or dull
- The state of matter that has a fixed shape and volume
38 Clues: A shorthand way of representing a compound • How well a substance dissolves in a liquid • Very small particles that make up all things • The process of changing state from solid to gas. • The process of changing state from gas to liquid • Pure substances made up of only one type of atom • The process of changing state from liquid to solid • ...
U8-Chemistry Matter & Properties 2026-02-12
Across
- the lowest possible temperature where particles have minimal kinetic energy
- A change in a substance that affects its form or appearance but does not alter its chemical composition
- The temperature at which a liquid changes to a gas throughout the substance
- a mixture where particles are dispersed but not dissolved, such as fog or milk
- a state of matter with no definite shape or volume, where particles move freely
- the energy that an object or particle possesses due to its motion
- the smallest unit of an element that retains its chemical properties
- a pure substance that cannot be broken down into simpler substances by chemical means
- a homogeneous mixture consisting of a solute dissolved in a solvent
- a reaction or process that releases heat to the surroundings
- A solid that forms and separates from a liquid mixture during a chemical reaction
- the tendency of a substance to undergo a chemical reaction with other substances
- the ability of a material to be hammered or rolled into thin sheets without breaking
- The temperature at which a solid substance changes into a liquid
- the ability of a material to allow the flow of heat or electricity
- A form of matter that has a constant composition and properties throughout, either an element or a compound
- the process by which a liquid changes into a gas or vapor
Down
- A transition between different states of matter, such as from solid to liquid or liquid to gas
- a heterogeneous mixture in which particles are dispersed in a liquid or gas but will eventually settle out
- a method to separate solids from liquids or gases using a porous barrier
- a state of matter that has a definite shape and volume, with particles closely packed
- the process by which a gas changes into a liquid
- the phase change in which a solid turns directly into a gas without passing through the liquid phase
- The pressure exerted by a vapor in equilibrium with its liquid or solid phase in a closed container
- a substance formed by the chemical combination of two or more elements
- A characteristic of a substance that describes its ability to undergo a chemical change
- A mixture in which the components are uniformly distributed and cannot be distinguished, such as air or saltwater
- the ability of a substance to burn or ignite in the presence of oxygen
- A process that produces one or more new substances with different properties
- the amount of heat energy required to change a liquid into a gas at its boiling point
- a reaction or process that absorbs heat from the surroundings
- A characteristic of a substance that can be observed or measured without changing its chemical identity, such as color or density
- A mixture in which the components are not uniformly distributed and can often be seen with the naked eye, such as a salad
- a measure of a fluid's resistance to flow, often described as its thickness or stickiness
- the process by which a liquid changes to a gas at temperatures below the boiling point
- a state of matter that has a definite volume but no definite shape, taking the shape of its container
36 Clues: the process by which a gas changes into a liquid • the process by which a liquid changes into a gas or vapor • a reaction or process that releases heat to the surroundings • a reaction or process that absorbs heat from the surroundings • The temperature at which a solid substance changes into a liquid • ...
Biology Exam Review 2 2022-12-14
Across
- chains of carbon atoms bonded to hydrogen atoms
- state reached when both reactants and products are made at the same rate
- Structures specialized to perform distinct processes within a cell.
- Diffusion of water through a selectively permeable membrane from an area of higher concentration to an area of lower water concentration
- of growth, DNA replication, and cell division that occurs in a eukaryotic cell
- polymers that are made up of monomers called nucleotides
- a solution that has the same concentrations of dissolved particles as the cell
- each subunit in the complete molecule
- molecule in chloroplasts that absorbs some of the energy in visible light
- energy the amount of energy that will break a bond between two atoms
- process that changes substances into different substances by breaking and forming chemical bonds
- the movement of substances across a cell membrane without the use of energy by the cell
- solution has a higher concentration of dissolved particles than a cell
- nonpolar molecules that include fats, oils, and cholesterol
- release of substances out a cell by the fusion of a vesicle with the membrane.
- process by which a cell divides its nucleus and content
Down
- substance that decreases activation energy and increases reaction rate in a chemical reaction
- Process by which some organisms, such as certain bacteria, use chemical energy to produce carbohydrates
- molecules that contain carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur
- a process that captures energy from sunlight to make sugars that store chemical energy
- Theory theory that states that all organisms are made of cells, all cells are produced by other living cells, and the cell is the most basic unit of life.
- a polymer made of monomers called amino acids
- the movement of molecules in a fluid or gas from a region of higher concentration to a region of lower concentration
- solution has a lower concentration of dissolved particles than a cell
- the process of taking liquids or fairly large molecules into a cell by engulfing them in a membrane
- the substances changed during a chemical reaction
- Small membrane-bound sac that functions in moving products into, out of, and within a cell.
- cell do not have a nucleus or other membrane-bound organelles
- a compound that releases a proton when it dissolves in water
- a molecule that contains many monomers bonded together
- product of fermentation in many types of cells, including human muscle cells
- process of producing ATP by breaking down carbon-based molecules when oxygen is present
- the movement of ions or molecules across a cell membrane into a region of higher concentration, assisted by enzymes and requiring energy.
- jellylike substance inside cells that contains molecules and in some cells organelles.
- Catalysts for chemical reactions in living things
- the substances made by a chemical reaction
- molecule composed of carbon, hydrogen, and oxygen; includes sugars and starches
- cells have a nucleus and other membrane-bound organelles
- compounds that remove H+ ions from a solution
39 Clues: each subunit in the complete molecule • the substances made by a chemical reaction • a polymer made of monomers called amino acids • compounds that remove H+ ions from a solution • chains of carbon atoms bonded to hydrogen atoms • the substances changed during a chemical reaction • Catalysts for chemical reactions in living things • ...
2024-2025 Grade 8 Integrated Science 2025-06-09
Across
- The change from gas to liquid.
- A protein that speeds up chemical reactions in the body.
- Spreading apart (e.g., light rays through a concave lens).
- The gradual destruction of materials by chemical reaction.
- Coming together (e.g., light rays through a convex lens).
- The new substances formed in a chemical reaction.
- The process of sediments sticking together to form rock.
- Allows some light to pass through but not clearly.
- The distance between two wave crests.
- change of energy from one form to the other.
- The starting substances in a chemical reaction.
- rock formed from heat and pressure on other rocks.
- A measure of the average kinetic energy of particles.
- Does not allow light to pass through.
- The process of breaking down food into nutrients.
- The change from liquid to gas at the surface.
- Warming that results when gases trap heat in the atmosphere.
- A blood vessel that carries blood to the heart.
- Transfer of heat through direct contact.
- An element that is shiny, malleable, and conducts heat.
- The movement of particles from high to low concentration.
- Bouncing of light off a surface.
- The ability to do work.
- The process where nutrients pass into the bloodstream.
- A mixture of metals.
- Allows light to pass through clearly.
- rock formed from layers of sediment.
Down
- Squeezing of sediments by pressure.
- A lens or mirror that curves outward.
- Material used to reduce heat transfer.
- The act of taking food into the mouth.
- Two or more atoms bonded together.
- energy Stored energy due to position.
- A substance that provides nourishment for growth.
- Mass per unit volume.
- A lens or mirror that curves inward.
- A harmful substance released into the environment.
- energy Energy of motion.
- Transfer of heat through fluids (liquids or gases).
- The total area that the surface of an object occupies.
- rock formed from cooled magma or lava.
- Allows liquids or gases to pass through.
- A chemical reaction between a fuel and oxygen.
- Bending of light as it passes from one medium to another.
- The process of releasing energy from food.
- A blood vessel that carries blood away from the heart.
- The basic unit of a chemical element.
- A naturally occurring solid with a crystal structure.
- Contains tiny holes that allow water or air to pass.
- A type of corrosion that occurs with iron.
- A substance made of two or more elements chemically joined.
- Breaking down of rocks into smaller pieces.
- Movement of rock particles by wind or water.
- Force that pulls objects toward each other.
- An outer shell electron that can form chemical bonds.
- Transfer of energy through electromagnetic waves.
- A material that releases energy when burned.
- Wearing down of rock by friction.
- The movement of air in and out of the lungs.
- Type of respiration that uses oxygen.
- A pure substance made of only one kind of atom.
- Thermal energy transferred between objects.
62 Clues: A mixture of metals. • Mass per unit volume. • The ability to do work. • energy Energy of motion. • The change from gas to liquid. • Bouncing of light off a surface. • Wearing down of rock by friction. • Two or more atoms bonded together. • Squeezing of sediments by pressure. • A lens or mirror that curves inward. • rock formed from layers of sediment. • ...
Chapter 14 Ayden Gleckler 2020-03-02
Across
- reaction that makes larger compounds
- when a reaction releases energy
- any liquid with a ph above 7
- when a reaction takes in energy
- is also known as bond energy
Down
- this equation shows what type of reaction AB + Oxygen = Oxides of A and B
- reaction that breaks compounds into smaller pieces
- if a chemical equation is ________ it is equal on both sides
- any liquid with a ph below 7
- if the ph is 7 it is
10 Clues: if the ph is 7 it is • any liquid with a ph above 7 • any liquid with a ph below 7 • is also known as bond energy • when a reaction releases energy • when a reaction takes in energy • reaction that makes larger compounds • reaction that breaks compounds into smaller pieces • if a chemical equation is ________ it is equal on both sides • ...
Environmental Chemistry: Topics 1-3 2013-12-08
Across
- Element that forms bone and teeth (1)
- A type of pesticide banned in 1969 in Canada (2)
- A childhood disease caused because of a low-protein diet (1)
- A chemical used to control insects (2)
- A form of farming that uses chemicals to grow and take care of crops (2)
- A mineral that a person needs 100mg/day or more of (1)
- A way of comparing relative acidity or alkalinity of a substance (3)
- An element that is a component of an antioxidant enzyme that helps prevent decay of cell function (1)
- A indicator that is a mixture of plant compounds extracted from certain lichens (3)
- Farming that does not use pesticides (2)
- A human's only source of _______ is from plants (1)
- A chemical that has a pH of more than 7 (3)
Down
- What does pH stand for? (3)
- A substance that speeds up a chemical reaction without taking part in the reaction (3)
- A disease, concerning mosquitoes, that ddt was used to get rid of (2)
- The process where chemicals collect in the tissues of organisms along the food chain (2)
- The chemist that invented ddt (2)
- Adds extra nitrogen to the environment (1)
- A chemical used to control weeds (2)
- The process of adding calcium carbonate to the environment (3)
- An element that is a component of some enzymes, involved in bone formation and protein metabolism (1)
- Devices that use sorbents which absorb oxides (3)
- A chemical that produces an acidic substance and has a pH of less than 7 (3)
- An element that is an important part of red blood cells that regulates oxygen transport (1)
24 Clues: What does pH stand for? (3) • The chemist that invented ddt (2) • A chemical used to control weeds (2) • Element that forms bone and teeth (1) • A chemical used to control insects (2) • Farming that does not use pesticides (2) • Adds extra nitrogen to the environment (1) • A chemical that has a pH of more than 7 (3) • A type of pesticide banned in 1969 in Canada (2) • ...
Tristen's Crossword 2018-02-16
Across
- measured by the number of hydrogen atoms.
- a pair of equal and oppositely charged or magnetized poles.
- relating to the body as opposed to the mind.
- consists one atom.
- stable subatomic particle with a charge negative electricity.
- process that leads to transformation of one set of chemical.
- an atom or molecule with a net electric charge.
- a specified material conducts electricity.
- Valence shell electron pair repulsion.
- a can be positive or negative
- a group of atoms bonded together.
- a way of using the formulas to indicate the chemicals.
- keeping or showing a balance; arranged in good proportions.
- existing or taking place within a molecule.
- statement that the values of two mathematical expressions.
- a part or aspect of something abstract.
Down
- it is a positive ion.
- a matter that has constant composition and characteristics.
- known as diagrams as a dot structures.
- a chemical element with symbol H
- chemical bonds formed by the electrons between atoms.
- characteristic of substance that's observed on reaction.
- a small positive nucleus surrounded by orbiting electrons.
- existing or taking place between molecules.
- a chemical bond between two ions with opposite charge.
- of or containing water, typically as a solvent or medium.
- a group algebraic structure consisting a set of elements.
- relating to or resembling metal or metals.
- it's composed of two or more separate elements; a mixture.
- it consists of many atoms.
- the property of a solid, liquid, or gaseous substance.
- can be pressed out of shape without breaking or cracking.
- the state or power of being reactive
- a negatively charged ion.
- able to be drawn out into a thin wire.
35 Clues: consists one atom. • it is a positive ion. • a negatively charged ion. • it consists of many atoms. • a can be positive or negative • a chemical element with symbol H • a group of atoms bonded together. • the state or power of being reactive • known as diagrams as a dot structures. • Valence shell electron pair repulsion. • able to be drawn out into a thin wire. • ...
Unit B Crossword 2017-11-11
Across
- vertical columns of elements in the periodic table
- description of a substance that can be pounded or rolled into sheets
- cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
- change of state from a liquid to a gas
- vertical column of elements in the periodic table;also called a family
- description of a solid that can be stretched into a long wire
- neutral particle in the nucleus of an atom
- change of state from a gas to a liquid
- anything that has mass and occupies space
- change of state from a solid to a liquid
- substance that helps a chemical reaction to proceed more quickly
- atom that became electrically charged because it lost or gained electrons
- slow chemical change that occurs when oxygen in the air reacts with a metal
Down
- the smallest part of an element that is representative of that element
- change of state from a liquid to a solid
- shiny,malleable,ductile element that conducts electricity
- change of state from a gas to a solid
- ability of a substance to conduct electricity or heat
- group 17 in the periodic table;the most reactive non-metals
- catalyst involved in chemical reactions in living things
- chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
- element that has both metallic and non-metallic properties
- pure substance that cannot be broken down into other substances;substance made up of only one type of atom
- amount of mass in a given volume of a substance
- chemical combination of two or more elements in a specific ratio
25 Clues: change of state from a gas to a solid • change of state from a liquid to a gas • change of state from a gas to a liquid • change of state from a liquid to a solid • change of state from a solid to a liquid • anything that has mass and occupies space • neutral particle in the nucleus of an atom • amount of mass in a given volume of a substance • ...
AG 2022-10-31
Across
- process: A method of using economic input.
- The chemical breakdown of substance.
- The sale of goods to the public.
- A person who purchase goods.
- The selling of goods.
- Borne Illness: caused by consuming contaminated food.
- An insistent and peremptory
- sensory Testing: The use of the human senses in the objective.
- Perform a series of mechanical operation.
- An incidental or secondary.
- A chemical element or substance
- A person, company, or country.
Down
- Gather or killing.
- An agent who supplies goods to stores.
- Integration: The combination in one company of two or more stages.
- processing: Any method used to turn fresh food into food products.
- nutrient: A chemical element of substances required.
- A stock of a resource
- A substance that causes an allergic reaction
- Production chain: The processes that describe how food from.
- The loss or remove.
- The quality of having origin or course.
- The temperature was well above freezing.
23 Clues: Gather or killing. • The loss or remove. • A stock of a resource • The selling of goods. • An insistent and peremptory • An incidental or secondary. • A person who purchase goods. • A person, company, or country. • A chemical element or substance • The sale of goods to the public. • The chemical breakdown of substance. • An agent who supplies goods to stores. • ...
AG 2022-10-31
Across
- process: A method of using economic input.
- The chemical breakdown of substance.
- The sale of goods to the public.
- A person who purchase goods.
- The selling of goods.
- Borne Illness: caused by consuming contaminated food.
- An insistent and peremptory
- sensory Testing: The use of the human senses in the objective.
- Perform a series of mechanical operation.
- An incidental or secondary.
- A chemical element or substance
- A person, company, or country.
Down
- Gather or killing.
- An agent who supplies goods to stores.
- Integration: The combination in one company of two or more stages.
- processing: Any method used to turn fresh food into food products.
- nutrient: A chemical element of substances required.
- A stock of a resource
- A substance that causes an allergic reaction
- Production chain: The processes that describe how food from.
- The loss or remove.
- The quality of having origin or course.
- The temperature was well above freezing.
23 Clues: Gather or killing. • The loss or remove. • A stock of a resource • The selling of goods. • An insistent and peremptory • An incidental or secondary. • A person who purchase goods. • A person, company, or country. • A chemical element or substance • The sale of goods to the public. • The chemical breakdown of substance. • An agent who supplies goods to stores. • ...
Year 8 Chemical Science Key Words 2021-07-30
Across
- Able to be hammered or bent into new shapes
- A substance that has a metallic shine and can conduct heat and electricity
- A decrease in size
- A change that does not result in a new substance being formed
- Elements that consists of atoms grouped in pairs
- Elements that consists of single atoms
- Easily crumbled or shattered
- A cluster of atoms
- The change of state from a liquid to a solid
- The substance formed in chemical reactions
- An increase in size
- A solution in which a substance is dissolved in water
- A mixture in which one substance is dissolved into another
- Liquids that can be mixed together
- A grid-like structure of atoms
- The change of state from a liquid to a gas
Down
- A change in state from liquid to solid
- How easily a substance undergoes combustion (burns)
- Substances made up of only one type of atom
- Any combination of two or more elements or compounds
- The characteristics of a substance, they can be chemical or physical
- A simple equation where chemicals are represented by their names
- A process there two liquids or gases mix due to the motion of their particles
- Identifying minerals by using the colour of the flame when they burn
- Substances made of lattices or molecules that contain two or more types of atoms
- The starting substances of a chemical reaction
- A table that shows all the known elements
- A change that results in a new substance being formed
- Any chemical reaction where a substance burns in oxygen to produce light and heat
- A mixture of a metal with other metals or a non-metal
30 Clues: A decrease in size • A cluster of atoms • An increase in size • Easily crumbled or shattered • A grid-like structure of atoms • Liquids that can be mixed together • A change in state from liquid to solid • Elements that consists of single atoms • A table that shows all the known elements • The substance formed in chemical reactions • The change of state from a liquid to a gas • ...
Unit B Crossword 2017-11-11
Across
- shiny,malleable,ductile element that conducts electricity
- amount of mass in a given volume of a substance
- change of state from a solid to a liquid
- cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
- description of a substance that can be pounded or rolled into sheets
- ability of a substance to conduct electricity or heat
- chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
- vertical columns of elements in the periodic table
- neutral particle in the nucleus of an atom
- change of state from a gas to a solid
- vertical column of elements in the periodic table;also called a family
- change of state from a liquid to a solid
Down
- the smallest part of an element that is representative of that element
- anything that has mass and occupies space
- substance that helps a chemical reaction to proceed more quickly
- group 17 in the periodic table;the most reactive non-metals
- description of a solid that can be stretched into a long wire
- atom that became electrically charged because it lost or gained electrons
- change of state from a gas to a liquid
- element that has both metallic and non-metallic properties
- change of state from a liquid to a gas
- chemical combination of two or more elements in a specific ratio
- catalyst involved in chemical reactions in living things
- slow chemical change that occurs when oxygen in the air reacts with a metal
- pure substance that cannot be broken down into other substances;substance made up of only one type of atom
25 Clues: change of state from a gas to a solid • change of state from a gas to a liquid • change of state from a liquid to a gas • change of state from a solid to a liquid • change of state from a liquid to a solid • anything that has mass and occupies space • neutral particle in the nucleus of an atom • amount of mass in a given volume of a substance • ...
Aaron Peacock 2022-03-08
Across
- is a reaction in which two or more substances combine to form a single new substance
- is a reaction in which two or more substance combine to form a single new substance
- simplest whole ratio of element within a compound
- is a reaction in which two or more substances combine to form a single new substance
- is a reaction in which the positive and negative ions of two ionic compounds exchange places to form two new compounds.
Down
- is the maxium amount of a reactant produce
- study of ratios within chemical reactions
- mass of one mole of a substance
- is a reaction in which a substance reacts with oxygen gas, releasing energy in the form of light and heat.
- the substance that will be use up first in chemical reaction
10 Clues: mass of one mole of a substance • study of ratios within chemical reactions • is the maxium amount of a reactant produce • simplest whole ratio of element within a compound • the substance that will be use up first in chemical reaction • is a reaction in which two or more substance combine to form a single new substance • ...
Disorders in Immunity 2026-03-26
Across
- is a transplanted tissue or organ
- is an autoimmune disease affecting multiple organs
- is the body's defense system
- is the substance that causes an allergic reaction
- is weak immune system that can’t fight infections
- is overreaction of the immune system
Down
- is the chemical causing allergy symptoms
- is a severe life-threatening allergic reaction
- is the ability to ignore self-cells
- is when the immune attack on transplanted organ
- protects from disease
- is the reaction to harmless substances
- is a virus that weakens the immune system
- is when the immune system attacks the body
- is the result of a weak defense caused by microbes
15 Clues: protects from disease • is the body's defense system • is a transplanted tissue or organ • is the ability to ignore self-cells • is overreaction of the immune system • is the reaction to harmless substances • is the chemical causing allergy symptoms • is a virus that weakens the immune system • is when the immune system attacks the body • ...
Science Vocabulary 2021-09-13
Chemistry Crossword 2021-01-18
Across
- The amount of space occupied by matter
- The ability of a substance to dissolve into a liquid
- Different particles are well mixed and has only one phase visible
- Bonds that form only between two or more nonmetals
- The resistance of a liquid to flow
- Bonds that form between metals and nonmetals
- Made up of two or more elements that are chemically bonded
- The atoms in the outermost energy level in an atom
- The type of change that affects the form of a substance
- Everything that has mass and takes up space
- The quantity of matter in an object
- The object used to perform a gas test
Down
- Solid, shiny, malleable, and ductile elements
- A solid formed during a reaction
- The average mass of one atom of an element
- Have the properties of both metals and nonmetals
- The type of change that occurs during a chemical reaction
- Describes the shape of a substance
- The ratio of mass to volume
- Least reactive known substances that only exist as single atoms
- Atomic number subtracted from the atomic mass
- Cannot be broken down by chemical or physical methods
- Very reactive metals that are never found in pure form
23 Clues: The ratio of mass to volume • A solid formed during a reaction • Describes the shape of a substance • The resistance of a liquid to flow • The quantity of matter in an object • The object used to perform a gas test • The amount of space occupied by matter • The average mass of one atom of an element • Everything that has mass and takes up space • ...
Biochemistry Vocabulary 2021-10-13
Across
- bond formed when atoms share electrons
- pure substance made of only one kind of atom
- attraction between molecules of difference substances
- many sugars
- attraction between molecules of the same substance
- one sugar
- mixture formed when one substance dissolves another
- bond when atoms transfer electrons to the other
- protein that speeds up a chemical rxn in living things
- macromolecules including fats, oils, and waxes
- compound that forms H+ ions in a solution
- mixture of water and non-dissolved materials
- charged atom
- two sugars
- region on an enzyme that binds to a substrate
- substance being dissolved in a solution
- substance made of two atoms joined w/ chemical bonds
Down
- subatomic particle with a positive charge
- subatomic particle with a negative charge
- macromolecules including sugars and starches
- macromolecules made up of amino acid chains
- ending material in a chemical reaction
- unit of energy within foods
- substance capable of dissolving other substances
- macromolecules including DNA and RNA
- reactant in an enzyme-catalyzed reaction
- attraction between a +H and -O
- compound that produces OH- ions in a solution
- subatomic particle with a neutral charge
- atoms of same element with a different # of neutrons
- basic unit of matter
31 Clues: one sugar • two sugars • many sugars • charged atom • basic unit of matter • unit of energy within foods • attraction between a +H and -O • macromolecules including DNA and RNA • bond formed when atoms share electrons • ending material in a chemical reaction • substance being dissolved in a solution • reactant in an enzyme-catalyzed reaction • subatomic particle with a neutral charge • ...
Chemistry Revision 2013-05-28
Across
- A Noble gas.
- The Law of Conservation of Mass in chemistry means that any chemical equation must be ____________.
- Elements in group 7 are known as _________.
- Chemistry is the study of _____________.
- Cobalt is found in the ____________ metal region of the periodic table.
- ___________ go across the periodic table.
- Group 8 elements have a full outer shell. This makes them ___________.
- Reactions that release energy.
- Ions that have a negative charge.
- The charge electrons carry.
- Beryllium has an atomic number of four and a mass number of nine. How many neutrons does it have?
- _______ go down the periodic table.
- The region in the atom that contains the protons and neutrons.
- Ions that have a positive charge.
Down
- The particles in a solid _________.
- The overall charge of an atom.
- Carbon-13 has __________ neutrons.
- The substances we begin a chemical reaction with.
- The number of protons is ________ to the number of electrons in an atom.
- Reactions that absorb energy.
- The charge electrons carry.
- The name given to atoms of the same element which have different mass numbers.
- Elements which demonstrate characteristics of metals and non metals are called _____________.
- Chlorine-37 has ___________ protons.
- Group 1 metals react strongly with this substance.
- The substances we end up with after a chemical reaction has occurred.
26 Clues: A Noble gas. • The charge electrons carry. • The charge electrons carry. • Reactions that absorb energy. • The overall charge of an atom. • Reactions that release energy. • Ions that have a negative charge. • Ions that have a positive charge. • Carbon-13 has __________ neutrons. • The particles in a solid _________. • _______ go down the periodic table. • ...
Chapter 2 Vocab 2013-09-23
Across
- A substance made of the joined atoms of 2 or more different elements.
- Compounds that reduce the concentration of hydroxide ions.
- A pure substance made of only one kind of atom.
- Ribonucleic acid.
- The hydrogen bonds between water molecules.
- Non polar molecules that are not soluble or mostly insoluble in water.
- The energy needed to start a chemical reaction.
- Substances that increase the speed of chemical reactions.
- 2 or more atoms that share electrons to form a molecule.
- An atom or molecule that has gained or lost one or more electrons.
- The building blocks of proteins.
- Usually a large molecule formed by linking smaller molecules.
- Organic compounds made of carbon, hydrogen, and oxygen atoms.
- A large protein with fold form pockets.
- An attraction between different substances.
Down
- Smallest Unit of Life.
- Made of 3 parts: sugar, a base,and a phosphate group.
- The substance on which an enzyme acts during a chemical reaction.
- A long chain of smaller molecules.
- The building blocks of carbohydrates.
- Compounds that form hydrogen ions when dissolved in water.
- The ability to move or change matter.
- Adenosine triphosphate.
- A mixture in which 1 or more substances are evenly distributed.
- Deoxyribonucleic acid.
25 Clues: Ribonucleic acid. • Smallest Unit of Life. • Deoxyribonucleic acid. • Adenosine triphosphate. • The building blocks of proteins. • A long chain of smaller molecules. • The building blocks of carbohydrates. • The ability to move or change matter. • A large protein with fold form pockets. • The hydrogen bonds between water molecules. • An attraction between different substances. • ...
Biosphere crossword 2017-11-17
Across
- an area with non-living and living organisms
- Movement of things into a populated area
- Ticks on mammals
- Interaction between two different organisms
- The total capacity that an area can hold
- Movement of things out of a populated area
- Use sunlight to make foods from carbon dioxide and water
- Produces their own food.
- Color pigments important to photosynthesis
- Clown fish in a sea anemone
- Eats only producers or plants
- A resource factor that ca limit population growth
- Eat meat
- A vulture is a type of what
Down
- the chemicals that consist in a chemical reaction
- A Oxe peckerbird and a rhino have what relationship
- Breathing chemical process that is in both plants and animals
- Are not producers and get our own food.
- a group of living organisms that can reproduce
- Some bugs can camouflage to hide from predators this is called.
- Change or disturbance in an ecosystem
- The first to colonize a land to fertilize the soil(Lichen)
- The deer ---------- is oversized
- different populations that live together
- Processes of respiration and energy production occur in the cell
- Eats plants and animals
- a place with interactions of abiotic and biotic things
- Preying of one animal on others
- the result of a chemical reaction
29 Clues: Eat meat • Ticks on mammals • Eats plants and animals • Produces their own food. • Clown fish in a sea anemone • A vulture is a type of what • Eats only producers or plants • Preying of one animal on others • The deer ---------- is oversized • the result of a chemical reaction • Change or disturbance in an ecosystem • Are not producers and get our own food. • ...
Science Crossword 2023-07-10
Across
- A material that physically attracts other substances
- An organisms that share characteristics and are able to produce off spring
- A process that results in changes in the genetic material of a population over time
- The name for the group 7 elements
- A unit of measurement, symbol is v
- A chemical that contains information on how to make an organism (acronym)
- A place where an organism makes its home
- What is the name for a process that breaks up protein and changes its three-dimensional structure
- What is the name for the selective boiling and subsequent condensation of a component in a liquid mixture
- Organisms that are exact genetic copies
- nurturances that store fat for the body
Down
- A type of stone made when magma or lava cools
- Liquid which has passed through a filter
- A creature eaten by other animals
- A substance that does not dissolve
- A material with small holes that make it able to absorb liquid
- What is the chemical reaction used by micro organisms to convert glucose into energy
- A substance that speeds up a chemical reaction without depleting
- To make a product safe for consumption by heating
- A negatively charged occurrence that is commonly found in an atom
20 Clues: A creature eaten by other animals • The name for the group 7 elements • A substance that does not dissolve • A unit of measurement, symbol is v • Organisms that are exact genetic copies • nurturances that store fat for the body • Liquid which has passed through a filter • A place where an organism makes its home • A type of stone made when magma or lava cools • ...
science 2023-11-22
Across
- a number placed in front of an element symbol or chemical formula in an equation
- stored energy
- the amount of matter in an object
- occurs when one substance reacts to another
- the mass per unit volume of a substance
- a charachteristic of matter that can be observed
- could be hot or cold
- more energy is released when the products form than is required
- energy due to motion
- occurs when substances react with oxidizing agents changing it to a new substance
- the amount of force per unit area applied to an objects surface
- the amount of space an item takes up
- more energy is required to break the bonds of the reactants
Down
- the ability to burn
- matter with a composition that is always the same
- from a liquid to a gas
- two or more atoms that are held together by convalent bonds
- when atoms form new bonds
- a starting substance in a chemical reaction
- the energy released when atoms form bonds
- the result of the motipon of all the particles heating the substance up
- a substance produced by a chemical reaction
- a substance containing one or more different elements chemically bonded together
- smallest thing in the universe
- consists of only one type of atom
25 Clues: stored energy • the ability to burn • could be hot or cold • energy due to motion • from a liquid to a gas • when atoms form new bonds • smallest thing in the universe • the amount of matter in an object • consists of only one type of atom • the amount of space an item takes up • the mass per unit volume of a substance • the energy released when atoms form bonds • ...
Structure of Matter 2019-05-05
Across
- Certain elements show more than one valency, they exhibit _______ valency.
- The smallest particle of an element or a compound that can exist independently.
- A substance formed by the chemical combination of two or more elements in fixed proportions.
- The atoms of some elements can exist independently and called ________ elements.
- A substance made up of only one kind of atoms that cannot be broken down into simpler substances by chemical methods.
- The smallest particle of an element that can take part in a chemical reaction.
Down
- These are used to represent compounds.
- The atoms of many elements cannot exist independently in nature and called _______ elements.
- The combining capacity of an element to attain stability.
- The elements or compounds that take part in a chemical reaction are called the _______.
- These are used to represent elements.
- The number of atoms present in a molecule of an element.
12 Clues: These are used to represent elements. • These are used to represent compounds. • The number of atoms present in a molecule of an element. • The combining capacity of an element to attain stability. • Certain elements show more than one valency, they exhibit _______ valency. • The smallest particle of an element that can take part in a chemical reaction. • ...
Acids/Bases Review Crossword 2024-01-25
Across
- organ in your body that generates strong acid to aid in digestion
- a negative ion made of oxygen and hydrogen (OH-)
- the color that litmus paper turns in the presence of an acid
- a neutralization reaction is an example of this type of chemical reaction
- a substance with a pH of greater than 7
- a reaction between an acid and a base, yielding a solution that is not as acidic or basic as the starting solutions were
- substances that respond by changing color in the presence of an acid or base
- the feeling that bases give to a substance
Down
- dull base substance that builds up on the surface of pennies over time
- something that "wears away" at another material
- the flavor associated with acidic foods
- an H atom that has lost its electron (H+)
- the gas produced by the reaction of a gas with a metal
- type of paper used as an indicator for acids and bases
- a molecule that has a positive or negative charge
- the color that litmus paper turns in the presence of a base
- the flavor associated with base foods
- gas produced by the reaction of a gas with a carbonate
- an ionic compound that is made from a neutralization reaction
- a substance with a pH of less than 7
20 Clues: a substance with a pH of less than 7 • the flavor associated with base foods • the flavor associated with acidic foods • a substance with a pH of greater than 7 • an H atom that has lost its electron (H+) • the feeling that bases give to a substance • something that "wears away" at another material • a negative ion made of oxygen and hydrogen (OH-) • ...
Balancing Chemical Equations 2021-10-27
Across
- Present before chemical reactions
- a body of matter
- Law stating that mass is never created or destroyed
- Shows no mass was created or destroyed
Down
- Present after chemical reactions
- used in a chemical equation
- equation Representing a chemical reaction with elements and symbols
- What separates the reactants and products in a chemical equation
- Shows mass as created or destroyed
- Anything that has mass and takes up space
10 Clues: a body of matter • used in a chemical equation • Present after chemical reactions • Present before chemical reactions • Shows mass as created or destroyed • Shows no mass was created or destroyed • Anything that has mass and takes up space • Law stating that mass is never created or destroyed • What separates the reactants and products in a chemical equation • ...
Chemistry 2026-02-17
Across
- Type of reaction that requires energy
- A molecule composed of two or more different atoms/elements
- Charged particles
- Type of bond between two oppositely charged ions
- Making or breaking of chemical bonds
Down
- Type of reaction that releases energy
- Occurs when electrons are transferred or shared
- Smallest particle of an element
- Two or more chemically joined atoms
- Anything that occupies space and has mass
- Type of reaction that rearranges or swaps molecules
- Simplest form of matter
12 Clues: Charged particles • Simplest form of matter • Smallest particle of an element • Two or more chemically joined atoms • Making or breaking of chemical bonds • Type of reaction that releases energy • Type of reaction that requires energy • Anything that occupies space and has mass • Occurs when electrons are transferred or shared • ...
MRCENT/energy 2022-05-05
12 Clues: \ heat • battery • kicking • stored \ • \ motion • \radiation • \in motion • liquid to gas • \ electricity • attraction force • reaction of nuclear • everything you do includes
Matter Vocab List 2022-01-19
Across
- a substance combines with another to form a new substance
- smallest unit of ordinary matter that forms a chemical element
- transition from a solid to a gas state without passing through the liquid phase
- a given chemical compound always cotains its component elements in fixed ratio
- any of a materials properties that becomes evident during or after chemical reaction
- the product of the pressure and the volume of one gram molecule of an ideal gas is equal to the product of the absolute temperature
- a substance that takes part in and undergoes changes during a reaction
- something that is the result of anaction or process
- quantity of matter in a physical body
- group of elements with similar chemical properties
- any property that is measureable, value describes a state
- an element whose properties are intermediate between those of metals and solid nonmetals
- a state o fmatter consisting of particles that have neither a defined volume nor defined shape
- pure substance consisting only of atoms that have the same number of protons in their nuclei
- property a property that is measureable, and describes a state of matter
- one state of matter not liquid
- an experimental gas law that describes how the pressure of a gas tends to decrease as the volume of the container increases
- describes how gases tend to exapnd when heated
- lab technique for the separation of a mixture into its components
- any substance that has mass and takes up space
- compnenets are distributed the same or in uniform
- a substance with high electrival conductivity, readily forms positive ions
- a physical quantity whose value is proportional to the size of the system it describes
- solid forms where atoms or molecules are highly organized into a crystal structure
- a substance in the gas phase at a temerature lower than its critical temperature
- consists of different substances
- equal volumes of gases at the same temperature and pressure equa; numbers of molecules
Down
- a purifying liquid by a process of heating and cooling
- physical separation process, separates solid matter
- if two elements form more than one compound the the ratios of the masses of the second element which combine with a fixed mass of the first element
- exhibit great stability and extremely low reaction rates helium, neon, argon, krypton, xenon, radon
- table chemical elements arranged in order of atomic number usually in rows so that elements with similar atomic structure appear in vertical columns
- volume of gases undergoing rection at constant pressure and temperature one in a simple ratio to each other and the product
- chemical substance composed of many identical molecules composed of atoms from more than one element held together by chemical bonds
- that flows freely has constant volume
- lacks characteristics of metal, elements on the right of the periodic table
- all collisions between atoms and molecules are perfectly elastic
- a single substance made of only one type of particle
- physical quantity whose value does not depend on the amount of substance for which it is measured
- a chemical reaction mass is neither created nor destroyed
- changes affecting form of a chemical substance but not its chemical composition
- the change of a substance from one physical form to another
- calculated as the mass of a component divided by the total mass of a mixture
- state of matter consists of gas ions
- horizontal rows of elements on the periodic table
- a substance made by mixing other substances together
- one of the distinct forms in which matter can exist
47 Clues: one state of matter not liquid • consists of different substances • state of matter consists of gas ions • that flows freely has constant volume • quantity of matter in a physical body • describes how gases tend to exapnd when heated • any substance that has mass and takes up space • horizontal rows of elements on the periodic table • ...
matter and change crossword 2012-10-04
Across
- chemical reaction
- simplest form of matter that has a unique set of properties, can't be broken down
- a mixture in which the composition is not uniform throughout
- a property that depends on the type of matter in a sample
- the process that separates a solid from a liquid
- a property that depends on the type of matter in a sample
- changes that can be switched back such as ice to water to steam
- can be classified as reversible or irreversible
Down
- a physical blend of 2 or more components
- the ability of a substance to undergo a specific chemical change
- a quality or condition of a substance that can be observed or measured without changing the substance composition
- a substance present at the start of the reaction
- a substance produced in the reaction
- when one or more substances change into one or more new substances
- a liquid is boiled to produce a vapor that is then condesened into a liquid
- mixture in which the composition is uniform throughout
- a substance that contains two of more elements chemically combined in a fixed proportion, can be broken down
17 Clues: chemical reaction • a substance produced in the reaction • a physical blend of 2 or more components • can be classified as reversible or irreversible • a substance present at the start of the reaction • the process that separates a solid from a liquid • mixture in which the composition is uniform throughout • a property that depends on the type of matter in a sample • ...
Unit 3 Crossword Project 2021-10-03
Across
- The substance before the reaction in a chemical equation.
- What is the little number at the bottom of the element?
- The arrow in between the reaction and the product
- What is the big number in front of the equation called?
Down
- What change does Please Excuse Coughs, Burps, Sneezes, Farts goes with?
- What number of subscript combined for each element?
- What is the equation called?
- What change does So Sorry Sam Didn't Make it go with?
- The substance after the reaction in a chemical equation.
- What is the big letters on the periodic table called?
10 Clues: What is the equation called? • The arrow in between the reaction and the product • What number of subscript combined for each element? • What change does So Sorry Sam Didn't Make it go with? • What is the big letters on the periodic table called? • What is the little number at the bottom of the element? • What is the big number in front of the equation called? • ...
Redox Reactions 2025-08-13
Across
- either the oxidation or reduction portion of a redox process
- a strong oxidizing ion often used in redox titrations
- calculation of reactants and products in a chemical reaction
- describing a substance that gains electrons and causes oxidation
- loss of electrons resulting in an increase in oxidation number
Down
- relating to chemical reactions involving electron transfer
- gain of electrons resulting in a decrease in oxidation number
- process of making atom counts and charges equal on both sides of a reaction equation
- describing a substance that loses electrons and causes reduction
- relating to an electrochemical cell producing electric current
10 Clues: a strong oxidizing ion often used in redox titrations • relating to chemical reactions involving electron transfer • either the oxidation or reduction portion of a redox process • calculation of reactants and products in a chemical reaction • gain of electrons resulting in a decrease in oxidation number • ...
Biochemistry 2024-11-08
Across
- Monomer or building blocks of carbohydrates
- Monomer or building blocks of nucleic acids
- Quick energy, stored energy, and cell walls
- Reactants in enzyme reactions
- DNA and RNA
- Monomer or building blocks of proteins
- Chemicals composed of C, H, and O combined
- Contains the genetic code for making proteins
- Place where substrate binds to an enzyme
- Glucose, starch, and cellulose
- Compounds produced during enzyme reactions
Down
- Monomer or building blocks of lipids
- Fats, oils, waxes, and phospholipids
- Regulating chemical reactions and providing structure
- Amount of energy needed for a reaction to take place
- Chemicals that speed up chemical reactions
- Efficient energy, insulation, and cell membranes
- Special proteins that speed up chemical reactions
- To change the shape of an enzyme
- Enzymes, insulin, and hormones
20 Clues: DNA and RNA • Reactants in enzyme reactions • Enzymes, insulin, and hormones • Glucose, starch, and cellulose • To change the shape of an enzyme • Monomer or building blocks of lipids • Fats, oils, waxes, and phospholipids • Monomer or building blocks of proteins • Place where substrate binds to an enzyme • Chemicals that speed up chemical reactions • ...
Chemistry Crossword 2025-09-03
Across
- A charged particle.
- Substance with a pH below 7.
- Substance with a pH above 7.
- A substance made of two elements chemically combined.
- A substance that increases the speed of a chemical reaction.
- A combination of atoms bonded together.
Down
- Chart that organizes elements by atomic number.
- The smallest unit of matter.
- A chemical change that forms new substances.
9 Clues: A charged particle. • Substance with a pH below 7. • The smallest unit of matter. • Substance with a pH above 7. • A combination of atoms bonded together. • A chemical change that forms new substances. • Chart that organizes elements by atomic number. • A substance made of two elements chemically combined. • A substance that increases the speed of a chemical reaction.
U3S2 Vocabulary 2021-11-11
Across
- a conversion factor between compounds in a chemical reaction, that is derived from the coefficients of the compounds in a balanced equation
- Theoretical yield is the amount of product that should form when a reaction takes place.
- a reactant present in an amount in excess of that required to combine with all of the limiting reactant.
- he relationship between the relative quantities of substances taking part in a reaction or forming a compound, typically a ratio of whole integers.
Down
- a reactant in a chemical reaction that determines the amount of product that is formed.
- The actual yield is the quantity of a product that is obtained from a chemical reaction.
- he percent ratio of actual yield to the theoretical yield.
- 6.022 x 10^23 =
8 Clues: 6.022 x 10^23 = • he percent ratio of actual yield to the theoretical yield. • a reactant in a chemical reaction that determines the amount of product that is formed. • The actual yield is the quantity of a product that is obtained from a chemical reaction. • Theoretical yield is the amount of product that should form when a reaction takes place. • ...
Chapter 3 terms Minjin 2021-02-02
Across
- a polysaccharide in animal cells
- enzymes that are the breakdown of proteins
- larger than disaccharide
- the test of proteins
- the cellulose of plant cell walls
- small molecules
- enzymes that are the breakdown of fats
- good fats
- mixtures of fat-ethanol and water
Down
- one of energies which contain starches and sugars
- two monosaccharides
- metabolic reaction controlled by catalysts
- simple sugar of carbohydrates
- a blue solution that is a reducing agent
- make chemical reaction be fast
- contain some kinds of atoms
- fats that dissolve in alcohol not in water
- make chemical reaction be fast
- bad fats
19 Clues: good fats • bad fats • small molecules • two monosaccharides • larger than disaccharide • the test of proteins • simple sugar of carbohydrates • make chemical reaction be fast • contain some kinds of atoms • make chemical reaction be fast • mixtures of fat-ethanol and water • a blue solution that is a reducing agent • ...
