chemical reaction Crossword Puzzles
chapter 9 review 2014-01-13
Across
- 6.02x10^23
- the calculation of quantities in chemical reactions as a subject of chemistry
- limits or determines the product that can be formed in a reaction
- recheck your work
- the amount of matter that an object contains
- look at
- solving for the unknown
- the amount of product that actually forms when the reaction is carried out in the lab
Down
- the ratio of the actual yield to the theoretical expressed as a percent
- is a maximum amount of product that could be formed from given amount of reactant
- the space occupied by sample matter
- volume 22.4L
- an atom
- the reactant the is not completely used up in the reaction
- group of measurements
15 Clues: an atom • look at • 6.02x10^23 • volume 22.4L • recheck your work • group of measurements • solving for the unknown • the space occupied by sample matter • the amount of matter that an object contains • the reactant the is not completely used up in the reaction • limits or determines the product that can be formed in a reaction • ...
9.2 Combination Reactions 2025-02-24
Across
- this planet is covered with hematite
- magnetite was used to make early examples of this
- forms from the combination of a metal oxide and water
- black rust
- a combination reaction has two or more of these
- another word for limonite
- a combination reaction has one of these
- a chemical reaction in which two or more reactants combine to form one product
Down
- limonite forms when a lot of this is present
- red rust
- forms from the combination of two nonmetals
- forms form the combination of a metal and a nonmetal
- magnetite forms when there is a lot of this present
- forms from the combination of a metal and oxygen
- yellow rust
15 Clues: red rust • black rust • yellow rust • another word for limonite • this planet is covered with hematite • a combination reaction has one of these • forms from the combination of two nonmetals • limonite forms when a lot of this is present • a combination reaction has two or more of these • forms from the combination of a metal and oxygen • ...
unit 2 week 2 Vocabulary 2021-09-17
Across
- the number of atoms of a particular element in a chemical reaction
- in any chemical process, matter is neither lost or gained. (sometimes stated as matter is not created or destroyed
- the number placed in front of a compound to balance a chemical equation
Down
- a chemical equation where the number of atoms of each element are the same on both sides
- energy random kinetic energy possessed by objects in a material
- the speed at which a chemical reaction occurs
- this is the rate at which a substance undergoes a chemical change
- the measure of the quantity of matter
8 Clues: the measure of the quantity of matter • the speed at which a chemical reaction occurs • energy random kinetic energy possessed by objects in a material • this is the rate at which a substance undergoes a chemical change • the number of atoms of a particular element in a chemical reaction • the number placed in front of a compound to balance a chemical equation • ...
Matter 2014-02-05
Across
- A reaction in which energy must be supplied.
- Two or more materials which do NOT chemically combine.
- A _____________ property depends on the amount of material.
- The chemical _________ can be used in place of the name of the element.
- Matter that has similar properties throughout.
- A homogenous material consisting of one particular kind of matter.
Down
- A _________ change affects the appearance of matter.
- Matter that has different properties.
- A substance which can not be broken down by chemical means.
- A ____________ property depends on observations.
- A reaction in which energy is given off.
- Two or more elements which are chemically combined in a fixed ratio.
- A homogenous mixture containing a solute mixed uniformly throughout,
13 Clues: Matter that has different properties. • A reaction in which energy is given off. • A reaction in which energy must be supplied. • Matter that has similar properties throughout. • A ____________ property depends on observations. • A _________ change affects the appearance of matter. • Two or more materials which do NOT chemically combine. • ...
Unit 1 Matter 2014-09-08
Across
- A _________ change affects the appearance of matter.
- Two or more elements which are chemically combined in a fixed ratio.
- A reaction in which energy must be supplied.
- A homogenous material consisting of one particular kind of matter.
- A homogenous mixture containing a solute mixed uniformly throughout,
- A _____________ property depends on the amount of material.
- A reaction in which energy is given off.
Down
- Matter that has similar properties throughout.
- Two or more materials which do NOT chemically combine.
- Matter that has different properties.
- The chemical _________ can be used in place of the name of the element.
- A ____________ property depends on observations.
- A substance which can not be broken down by chemical means.
13 Clues: Matter that has different properties. • A reaction in which energy is given off. • A reaction in which energy must be supplied. • Matter that has similar properties throughout. • A ____________ property depends on observations. • A _________ change affects the appearance of matter. • Two or more materials which do NOT chemically combine. • ...
Unit 1 2024-10-28
Across
- How a substance interacts with fire
- Characteristic of a substance that doesn't change
- Describes a material that can dissolve in a particular substance
- Made of one type of material throughout
- Describes a material that does NOT dissolve in something else
- Matter can get in or out
Down
- A blend of two or more substances
- Has Mass an takes up space
- When a solid dissolves in a liquid, the solid breaks apart into particles too small to see and it mixes completely in the liquid
- The substances you start with in a chemical reaction
- The new substances that occur after a chemical reaction
- How much matter in a certain space
- Matter cannot get in or out
13 Clues: Matter can get in or out • Has Mass an takes up space • Matter cannot get in or out • A blend of two or more substances • How much matter in a certain space • How a substance interacts with fire • Made of one type of material throughout • Characteristic of a substance that doesn't change • The substances you start with in a chemical reaction • ...
Test Vocab Review #1 2016-03-10
Across
- Highest frequency light.
- Electrons are equally shared in this kind of covalent bond.
- Of the same kind.
- PO43-.
- NH4+.
- Shortest wavelength of visible light.
- Chemicals that come-out-of a chemical reaction.
- SO32-.
- Longest wavelength of visible light.
Down
- Have some/many of the properties of their constituent particles.
- HSO4-.
- One column on the Periodic Table.
- Listed on the periodic table.
- This is the kind of spectrum we see when an atom emits specific wavelengths of light resulting in a spectrum with certain bands of color and many gaps.
- Smallest major section/category of elements on the Periodic Table.
- Can be represented using chemical formula.
- A positively charge ion.
- Has the chemical properties of an element.
- One row on the Periodic Table.
19 Clues: NH4+. • HSO4-. • PO43-. • SO32-. • Of the same kind. • Highest frequency light. • A positively charge ion. • Listed on the periodic table. • One row on the Periodic Table. • One column on the Periodic Table. • Longest wavelength of visible light. • Shortest wavelength of visible light. • Can be represented using chemical formula. • Has the chemical properties of an element. • ...
Chemistry - what can we remember 2012-11-11
Across
- what does pH mean?
- these break when a compound changes form.
- what is the name for CO2.
- pH of 7.5 to 14.
- what is the name for H2O.
- types of change were it is the same compound but appears different.
- colour of neutral on a pH meter.
- colour of base on a pH meter.
Down
- another name for a prediction.
- pH of 6.5 to 7.5.
- reaction where heat is being taken in to the reaction.
- a method is a list of instruction we intend to complete; this is what we have done.
- sour tasting.
- type of change where the compound is changing.
- a reaction which the heat is being removed.
- colour of acid on a pH meter.
16 Clues: sour tasting. • pH of 7.5 to 14. • pH of 6.5 to 7.5. • what does pH mean? • what is the name for CO2. • what is the name for H2O. • colour of acid on a pH meter. • colour of base on a pH meter. • another name for a prediction. • colour of neutral on a pH meter. • these break when a compound changes form. • a reaction which the heat is being removed. • ...
chemical reactions 2017-05-30
Across
- Smaller reactants have greater_______________,making it easier for them to react
- lead(II) nitrate and potassium iodide to form potassium nitrate and lead iodide
- Higher_______________provide more energy for the systems in which reactants react
- __________ is always a reactant in a combustion reaction
Down
- magnesium + zinc sulfate magnesium sulfate + zinc
- Products are always carbon dioxide and water
- Two or more simple substances combine to form a more complex product
- A single compound breaks down into two or more elements or new compounds
- For the following chemical reaction: calcium + bromine ---> calcium bromide, the reactants are_______________
- For the following chemical reaction: zinc + iron sulfate ---> zinc sulfate + iron, the products are___________
10 Clues: Products are always carbon dioxide and water • magnesium + zinc sulfate magnesium sulfate + zinc • __________ is always a reactant in a combustion reaction • Two or more simple substances combine to form a more complex product • A single compound breaks down into two or more elements or new compounds • ...
RRP2 2022-06-01
Across
- the difference in potential energy between products and reactants
- a substance with a pH greater than 7
- a product of gamma decay that behaves like a particle but is not considered a particle
- a substance with a pH less than 7
- a type of chemical reaction that involves both oxidation (losing electrons) and reduction (gaining electrons)
- an acronym for the organization that sets the rules for naming organic compounds
- a substance that lowers activation energy for a chemical reaction
Down
- an organic compound containing only carbon and hydrogen
- a type of cell that can either be voltaic or electrolytic
- the process of undergoing a nuclear reaction (Radioactive _____)
10 Clues: a substance with a pH less than 7 • a substance with a pH greater than 7 • an organic compound containing only carbon and hydrogen • a type of cell that can either be voltaic or electrolytic • the process of undergoing a nuclear reaction (Radioactive _____) • the difference in potential energy between products and reactants • ...
Jasper and liam 2023-11-15
Across
- a proposed answer to a question about the natural world afirmacion
- molecules that are building blocks of protein
- a molecule made of carbon and oxygen atoms.
- the chemical reaction between oxygen
- the ability to make things move or change
Down
- reaction a process in which atoms rearrange
- the body use of molecules for energy and growth
- a molecule that organisms
- system the body system that transports molecule
- info about the natural world that is used to support
10 Clues: a molecule that organisms • the chemical reaction between oxygen • the ability to make things move or change • reaction a process in which atoms rearrange • a molecule made of carbon and oxygen atoms. • molecules that are building blocks of protein • the body use of molecules for energy and growth • system the body system that transports molecule • ...
Photosynthesis Crossword 2023-05-16
Across
- Energy that comes from the sun
- Stuff that make a chemical reaction
- A pigment that turns plants green
- Lets gasses in and out of the leaf
- the process of how plants take in energy from the sun
- A type of sugar plants produce
Down
- Stuff made from a chemical reaction
- Kind of like our blood vesicles, but in plants.
- Organelle in a plant where photosynthesis takes place
- Carries glucose to other parts of the plant
10 Clues: Energy that comes from the sun • A type of sugar plants produce • A pigment that turns plants green • Lets gasses in and out of the leaf • Stuff made from a chemical reaction • Stuff that make a chemical reaction • Carries glucose to other parts of the plant • Kind of like our blood vesicles, but in plants. • Organelle in a plant where photosynthesis takes place • ...
Dapo Odusanya 2022-03-08
Across
- maxium amount of product that can be produced based on the limiting reaction
- mass of one mole of a substance
- a single electron or one of two or more electrons in the outer shell of an atom that is responsible for the chemical properties of the atom.
- the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.
- how much product is obtained compared to the maximum possible mass.
Down
- the coefficient in a balanced equation
- reactant that runs out first in a chemical reaction
- the relationship between the relative quantities of substances taking part in a reaction or forming a compound, typically a ratio of whole integers.
- a molecule is formed from the covalent bond
- a bond between 2
10 Clues: a bond between 2 • mass of one mole of a substance • the coefficient in a balanced equation • a molecule is formed from the covalent bond • reactant that runs out first in a chemical reaction • how much product is obtained compared to the maximum possible mass. • maxium amount of product that can be produced based on the limiting reaction • ...
Chemical Reactions 2023-05-10
Across
- Reaction in which the more reactive substance takes place of the less reactive one
- Rusting of metal.
- Reaction in which two or more substaces react to form a new substance
Down
- Reaction in which acids and bases react to produce salt and water
- Reaction in which susbtance naturally reacts with external enviroment overtime
- The non-soluble solid matter formed after a chemical reaction
- A type of chemical reaction in which the reactant ions exchange places to form new products
7 Clues: Rusting of metal. • The non-soluble solid matter formed after a chemical reaction • Reaction in which acids and bases react to produce salt and water • Reaction in which two or more substaces react to form a new substance • Reaction in which susbtance naturally reacts with external enviroment overtime • ...
enzymes 2021-10-25
Across
- this type of bond is when the H2O is removed from the molecules
- a very important part of the enzymes optimal condition
- these are the building blocks for proteins
- this reaction releases energy while bonding the substrates
- A very important part of the enzymes condition
- this reaction absorbs energy while bonding the substrates
- speeds up the chemical reaction
Down
- creates the enzymes
- this is the category of molecules that protein is in
- these help speed up the process of building and breaking down molecules
- best conditions for enzymes to work in
- building area
- building blocks for the product
- final result
- this is when an enzyme dies from its bad conditions
15 Clues: final result • building area • creates the enzymes • building blocks for the product • speeds up the chemical reaction • best conditions for enzymes to work in • these are the building blocks for proteins • A very important part of the enzymes condition • this is when an enzyme dies from its bad conditions • this is the category of molecules that protein is in • ...
Chemistry 2017-09-27
Across
- / shape of molecule eg CO2
- / charged particle formed when an atom or group of atoms gains or loses electrons
- / group name for Group 7
- / giant structure of covalent substances eg SiO2, diamond
- / neutral subatomic particle
- / shape of molecule eg H2O
- / type of bond involving shared pair of electrons
- / electrons that can move easily from one atom to another
- / shape of molecule eg NH3
Down
- / postively charged subatomic particle
- / atoms with same atomic number but different mass numbers
- / negatively charged subatomic particle
- / shape of molecule eg CH4
- / average mass of all isotopes of a particular element
- / reaction in which energy is given out
- / location of protons and neutrons
- / ion which does not take part in the overall reaction
- / substance which speeds up a chemical reaction but is not used up
18 Clues: / group name for Group 7 • / shape of molecule eg CO2 • / shape of molecule eg CH4 • / shape of molecule eg H2O • / shape of molecule eg NH3 • / neutral subatomic particle • / location of protons and neutrons • / postively charged subatomic particle • / reaction in which energy is given out • / negatively charged subatomic particle • ...
Chemical Reactions and Balancing Vocabulary 2023-06-23
Across
- a number placed in front of a formula to balance a chemical equation
- a reaction where one element is substituted for another element in a compound
- a substance that changes during a reaction
Down
- reaction where a compound breaks down into two or more simpler substances
- when two or more reactants combine to form a single product
- a reaction where the positive and negative ions of two ionic compounds form two new compounds
- combination of a substance with oxygen, involving the production of heat and light
- a substance that is present at the end of a chemical reaction
8 Clues: a substance that changes during a reaction • when two or more reactants combine to form a single product • a substance that is present at the end of a chemical reaction • a number placed in front of a formula to balance a chemical equation • reaction where a compound breaks down into two or more simpler substances • ...
Chemical Reactions 2016-03-28
Across
- A sign that a chemical reaction has happened is a change in _ _ _ _ _ _.
- After a chemical change, the substance you are left with are what?
- A shorthand way to represent a chemical change is to use a what?
- Zinc only contains one type of atom so it is called a what?
- Hydrogen and Carbon Dioxide are what?
Down
- This is the process of reacting something with oxygen to create an oxide.
- The substances you start with are called what?
- Carbon Dioxide is make up of two elements, carbon and oxygen, so it is called a what?
- For combustion to take place, you need a fuel, heat and what?
- If a gas is formed in a chemical reaction you will see what?
- Gravel is made up of different substances but you can easily separate them. This is called a what?
11 Clues: Hydrogen and Carbon Dioxide are what? • The substances you start with are called what? • Zinc only contains one type of atom so it is called a what? • If a gas is formed in a chemical reaction you will see what? • For combustion to take place, you need a fuel, heat and what? • A shorthand way to represent a chemical change is to use a what? • ...
Chemical Reaction Vocabulary 2024-10-16
Across
- Change change of matter from one form to another without a change in chemical properties
- a substance or a molecule that participates in a chemical reaction (the elements you start with)
- Equation representation of a chemical reaction using symbols of elements to show the amount of each reactant and product
- a substance or a molecule that is formed in a chemical reaction (final output)
- Reaction when two or more substances that combine in ways that make new substances that have different properties
Down
- solid formed by a change in a solution due to a chemical reaction or a change in temperature
- Change change that occurs when one or more substances change into a new substance
- of Conservation of Mass states that the mass of an object or a collection of objects have new changes no matter how the parts are arranged
8 Clues: a substance or a molecule that is formed in a chemical reaction (final output) • Change change that occurs when one or more substances change into a new substance • Change change of matter from one form to another without a change in chemical properties • solid formed by a change in a solution due to a chemical reaction or a change in temperature • ...
chemical reactions 2017-05-30
Across
- Products are always carbon dioxide and water
- Smaller reactants have greater_______________,making it easier for them to react
- Two or more simple substances combine to form a more complex product
- magnesium + zinc sulfate magnesium sulfate + zinc
- Higher_______________provide more energy for the systems in which reactants react
Down
- lead(II) nitrate and potassium iodide to form potassium nitrate and lead iodide
- For following chemical reaction: calcium + bromine ---> calcium bromide, the reactants are_______________
- __________ is always a reactant in a combustion reaction
- A single compound breaks down into two or more elements or new compounds
- For the following chemical reaction: zinc + iron sulfate ---> zinc sulfate + iron, the products are___________
10 Clues: Products are always carbon dioxide and water • magnesium + zinc sulfate magnesium sulfate + zinc • __________ is always a reactant in a combustion reaction • Two or more simple substances combine to form a more complex product • A single compound breaks down into two or more elements or new compounds • ...
chemical reactions 2017-05-30
Across
- __________ is always a reactant in a combustion reaction
- magnesium + zinc sulfate magnesium sulfate + zinc
- Products are always carbon dioxide and water
- Two or more simple substances combine to form a more complex product
Down
- For the following chemical reaction: zinc + iron sulfate ---> zinc sulfate + iron, the products are___________
- For the following chemical reaction: calcium + bromine ---> calcium bromide, the reactants are_______________
- lead(II) nitrate and potassium iodide to form potassium nitrate and lead iodide
- A single compound breaks down into two or more elements or new compounds
- Smaller reactants have greater_______________,making it easier for them to react
- Higher_______________provide more energy for the systems in which reactants react
10 Clues: Products are always carbon dioxide and water • magnesium + zinc sulfate magnesium sulfate + zinc • __________ is always a reactant in a combustion reaction • Two or more simple substances combine to form a more complex product • A single compound breaks down into two or more elements or new compounds • ...
chemical reactions 2017-05-30
Across
- Smaller reactants have greater_______________,making it easier for them to react
- magnesium + zinc sulfate magnesium sulfate + zinc
- A single compound breaks down into two or more elements or new compounds
Down
- For the following chemical reaction: zinc + iron sulfate ---> zinc sulfate + iron, the products are___________
- For the following chemical reaction: calcium + bromine ---> calcium bromide, the reactants are_______________
- Higher_______________provide more energy for the systems in which reactants react
- Two or more simple substances combine to form a more complex product
- lead(II) nitrate and potassium iodide to form potassium nitrate and lead iodide
- Products are always carbon dioxide and water
- __________ is always a reactant in a combustion reaction
10 Clues: Products are always carbon dioxide and water • magnesium + zinc sulfate magnesium sulfate + zinc • __________ is always a reactant in a combustion reaction • Two or more simple substances combine to form a more complex product • A single compound breaks down into two or more elements or new compounds • ...
Chemical Reactions Crossword 2025-05-21
Across
- the relative size of things
- a group of atoms joined together in a particular way
- a starting substance that is part of a chemical reaction
- an ending substance that is made during a chemical reaction
- something that is made of all the same atoms or groups of atoms
Down
- to change the order or position of something
- letters and numbers showing the types and number of atoms that repeat to make up a substance
- something that can be observed about a substance, such as color, smell, or boiling point
- a process in which atoms rearrange to form new substances
- the tiny pieces that all matter is made of
10 Clues: the relative size of things • the tiny pieces that all matter is made of • to change the order or position of something • a group of atoms joined together in a particular way • a starting substance that is part of a chemical reaction • a process in which atoms rearrange to form new substances • an ending substance that is made during a chemical reaction • ...
Chapters 6, 7 and 8 2025-03-26
Across
- this type of plant reduces photorespiration by separating carbon fixation and the calvin cycle in space
- this enzyme site is the region of an enzyme where the substrate binds and the reaction occurs
- the byproduct for this type of fermentation has brewing applications
- inorganic ions that temporarily bind to the enzyme
- this process includes light reactions and the calvin cycle
- this type of energy is from the sun and used in photosynthesis
- the fundamental particle of light and other forms of electromagnetic radiation
- RNA molecules that have catalytic activity, can facilitate chemical reactions
- this enzyme site is a separate binding site apart from the active site, where certain regulators bind to modulate enzyme activity
- the byproduct of this type of fermentation has implications for muscle function
- organic molecules that participate in the reaction but are left unchanged
- these reactions are spontaneous (-ΔG), the reactants have more free energy than products, and energy is released
- this process includes glycolysis, pyruvate breakdown, the citric acid cycle, and oxidative phosphorylation
- this law of thermodynamics states that energy cannot be created or destroyed
- the name of this type of plant refers to 3PG (3-Carbon), the first organic molecule made in the calvin cycle
Down
- this type of energy is stored in ATP and is used for various cellular processes
- can create its own food from inorganic substances, “producers”
- losing electrons
- these reactions are not spontaneous (+ΔG), the reactants have less free energy than products, and energy is required
- cannot produce its own food and must rely on other organisms for nutrition, “consumers”
- the sum of all chemical reactions occurring in an organism
- this type of plant reduces photorespiration by separating carbon fixation and the calvin cycle in time
- this is thermal energy generated by cellular processes, which helps to maintain body temperature
- the attachment of a phosphate group to a molecule or an ion
- this law of thermodynamics is related to entropy
- this happens to plants in hot and dry conditions where O2 competes with CO2 for binding with RuBP
- the chemical breakdown of a compound due to reaction with water
- gaining electrons
- the energy of movement, including muscle contractions
- biological catalysts that speed up chemical reactions
- this type of energy is seen in moving electrons and nerve impulses
31 Clues: losing electrons • gaining electrons • this law of thermodynamics is related to entropy • inorganic ions that temporarily bind to the enzyme • the energy of movement, including muscle contractions • biological catalysts that speed up chemical reactions • the sum of all chemical reactions occurring in an organism • ...
Science Test Review 2021-12-09
Across
- a new solid is formed
- identifies how many molecules are present
- elements or compounds before a chemical change
- What kind of change occurs when no new substance is formed
Down
- shows what substances are present before and after a chemical reaction
- located in the nucleus and has a positive charge
- shows the number of each type of atom(small number)
- new substances formed after a chemical reaction
8 Clues: a new solid is formed • identifies how many molecules are present • elements or compounds before a chemical change • new substances formed after a chemical reaction • located in the nucleus and has a positive charge • shows the number of each type of atom(small number) • What kind of change occurs when no new substance is formed • ...
Science Test Review 2021-12-09
Across
- a new solid is formed
- identifies how many molecules are present
- elements or compounds before a chemical change
- What kind of change occurs when no new substance is formed
Down
- shows what substances are present before and after a chemical reaction
- located in the nucleus and has a positive charge
- shows the number of each type of atom(small number)
- new substances formed after a chemical reaction
8 Clues: a new solid is formed • identifies how many molecules are present • elements or compounds before a chemical change • new substances formed after a chemical reaction • located in the nucleus and has a positive charge • shows the number of each type of atom(small number) • What kind of change occurs when no new substance is formed • ...
Year 8 Science 2025-09-30
Across
- These are used to protect our eyes
- This type of reaction cannot be undone
- This is narrow at the top and wide at the bottom
- This is used to give heat
- This type of reaction can go back
- This has three legs to hold beakers being heated
Down
- This is used to mix chemicals together
- This type of reaction is reversible
- These are used to find the mass of an object
- This is a type of reaction where a new substance is made
- This is the hottest type of flame
- This part can be turned round to change the flame
- This piece of equipment is used to measure temperature
- This is a piece of metal that is placed on top of a tripod
- This is used to hold boiling tubes
15 Clues: This is used to give heat • This is the hottest type of flame • This type of reaction can go back • These are used to protect our eyes • This is used to hold boiling tubes • This type of reaction is reversible • This is used to mix chemicals together • This type of reaction cannot be undone • These are used to find the mass of an object • ...
Chemistry 2017-10-18
Across
- Bendable
- particle Particles of matter that are smaller than a hydrogen atom
- character The level of reactivity of a metal
- The ability to transmit heat, electricity, or sound
- Gases Name of Group 18
- Brittle and non-conductable
- properties A property of a substance during a reaction in which the chemical composition or identity of the substance is changed
- Name of Group 17
- Neutral charge
- Positively charged
- Conductive and malleable
- metals Name of Group 1
Down
- A group of elements with similar chemical properties
- earth metals Name of Group 2
- Negatively charged
- The smallest component of an element
- force The attraction between opposite forces
- Semi-conductable
- electrons Electrons on the outermost shell
- radius The distance from the nucleus to the edge of the atom
- The center of an atom
- When two or more chemical elements are chemically bonded together
- The periodic table is made up of ________
- Synonym for shiny
- Fragile or frail
25 Clues: Bendable • Neutral charge • Semi-conductable • Name of Group 17 • Fragile or frail • Synonym for shiny • Negatively charged • Positively charged • The center of an atom • Gases Name of Group 18 • metals Name of Group 1 • Conductive and malleable • Brittle and non-conductable • earth metals Name of Group 2 • The smallest component of an element • The periodic table is made up of ________ • ...
Mr Terras CW 2 2023-05-07
Across
- The school you go to
- An equation that absorbs heat
- An equation that divorces elements or compounds
- The left side of a chemical equation
- Where you live
- An equation that releases heat
- A substance that takes the shape of its container
- How tightly packed the matter in a substance is
- A chemical equation that combines two substances
Down
- A number before a element/compound that shows how much of that substance there is
- The upward force that allows objects to float in water
- A show of what certain combinations of elements or compounds creates
- The amount of atoms in 12 grams of Carbon-12
- An equation where two elements switch partners
- Pick something up
- When a single compound or element changes partners
- The best science teacher in SCHS
- How deep something is
- Mr Terras' favorite advice
- What a chemical equation creates
- A substance that speeds up a chemical reaction
21 Clues: Where you live • Pick something up • The school you go to • How deep something is • Mr Terras' favorite advice • An equation that absorbs heat • An equation that releases heat • The best science teacher in SCHS • What a chemical equation creates • The left side of a chemical equation • The amount of atoms in 12 grams of Carbon-12 • An equation where two elements switch partners • ...
Science Crossword Puzzle (Form 3) 2025-01-09
Across
- — A series of repeating events
- — Automatic body response
- — Organ producing insulin
- — Ability to store electric charge
- — Water movement across a semipermeable membrane
- — Visible electromagnetic wave
- — Natural environment of an organism
- — Optical device refracting light
- — Combination of two or more atoms
- — The basic unit of life
- — Male reproductive cell
- — Simple carbohydrate compound
- — Gas changing to liquid
- — Bending of light
- — Size or extent of a quantity
Down
- — Process of ovum formation
- — Emission of light by a substance
- — Substance increasing reaction rate without permanent change
- — Essential nutrient for body tissues
- — Anything with mass and volume
- — Force of attraction between masses
- — Group of cells with similar function
- — Study of substances and reactions
- — Phenomenon related to electric charge
- — Chemical substance regulating body processes
- — Electrical component limiting current
- — Biological catalyst speeding up chemical reactions
- — The ability to do work
- — A disturbance transferring energy
- — Smallest unit of matter in chemical elements
30 Clues: — Bending of light • — The basic unit of life • — Male reproductive cell • — The ability to do work • — Gas changing to liquid • — Automatic body response • — Organ producing insulin • — Process of ovum formation • — A series of repeating events • — Visible electromagnetic wave • — Simple carbohydrate compound • — Size or extent of a quantity • — Anything with mass and volume • ...
Seasonal Allergies 2018-01-23
Across
- Symptom resulting from swelling of the nasolacrimal tube
- Swelling of these can cause ear stuffiness
- Agent to which the immune system overreacts
- Common name for seasonal allergies
- Chemical mediator leading to symptoms
Down
- Substance whose production is increased to flush out agents causing an allergic reaction
- Inflammation of the nose caused by an allergic reaction
- Common allergen responsible for seasonal allergies
- Primary source of chemical mediators leading to symptoms
- Symptom resulting from irritation of the nasal mucosa
10 Clues: Common name for seasonal allergies • Chemical mediator leading to symptoms • Swelling of these can cause ear stuffiness • Agent to which the immune system overreacts • Common allergen responsible for seasonal allergies • Symptom resulting from irritation of the nasal mucosa • Inflammation of the nose caused by an allergic reaction • ...
photosynthesis station 2023-03-21
Across
- The ending material of a chemical reaction
- animals and humans breathe in
- A structure in a plant cell that contains chlorophyll; Site of photosynthesis
- Starting Material of a chemical reaction
- 60% of ___ is in our body
Down
- A green substance contains in the chloroplast of plant leaves that captures energy in sunlight
- Plants use energy in sunlight to create their own food
- A sugar molecule
- What gives us radiant energy
- dioxide Animals and Humans breathe out
10 Clues: A sugar molecule • 60% of ___ is in our body • What gives us radiant energy • animals and humans breathe in • Starting Material of a chemical reaction • dioxide Animals and Humans breathe out • The ending material of a chemical reaction • Plants use energy in sunlight to create their own food • ...
Photosynthesis 2022-12-07
Across
- A green pigment that absorbs sunlight
- A product of photosynthesis
- A reactant of photosynthesis that consists of oxygen and Hydrogen
- The thing needed to trigger a chemical reaction
Down
- A process in which green plants absorb sunlight to create glucose
- Substances formed in a chemical reaction
- A type of energy emitted from the sun
- Organelles that contain chlorophyll
- A reactant of photosynthesis that consists of carbon and oxygen
- A type of sugar and a product of photosynthesis
10 Clues: A product of photosynthesis • Organelles that contain chlorophyll • A green pigment that absorbs sunlight • A type of energy emitted from the sun • Substances formed in a chemical reaction • A type of sugar and a product of photosynthesis • The thing needed to trigger a chemical reaction • A reactant of photosynthesis that consists of carbon and oxygen • ...
THIS 2021-06-20
Across
- PLOIDY OF MEIOCYTES
- ELEMENT LOCATED IN THE 5TH PERIOD AND 17TH GROUP
- SCIENTIST WHO PROPOSED THE PLUM PUDDING MODEL OF ATOM
- SUBSTANCE THAT ALTER THE RATE OF A REACTION WITHOUT TAKING PART IN THE REACTION
- PART OF THE BRAIN THAT CONTROLS BODY TEMPERATURE
- OHM'S LAW STATES THAT CURRENT IS DIRECTLY PROPORTIONAL TO _______
- MIRRORS USED IN SIDE VIEW MIRRORS OF CARS
- INSECTS BELONG TO THIS PHYLUM
- FORCE X PERPENDICULAR DISTANCE= _____
Down
- BASE PAIR BONDED TO ADENINE
- A TYPE OF MUSCLE FIBRE
- BODY THAT ABSORBS AND EMITS RADIATIONS OF ALL FREQUENCIES
- TYPE OF CHEMICAL REACTION WHERE A SINGLE COMPLEX COMPOUND IS BROKEN INTO SMALLER, SIMPLER PRODUCTS
- LAW LAW THAT STATES P1V1=P2V2
- POINT OF ATTACHMENT IN A CHROMOSOME
- RATE OF CHANGE OF VELOCITY
- OPTICAL ISOMER THAT ROTATES PPL TO THE LEFT IS CALLED _______
- H2S2O7
18 Clues: H2S2O7 • PLOIDY OF MEIOCYTES • A TYPE OF MUSCLE FIBRE • RATE OF CHANGE OF VELOCITY • BASE PAIR BONDED TO ADENINE • LAW LAW THAT STATES P1V1=P2V2 • INSECTS BELONG TO THIS PHYLUM • POINT OF ATTACHMENT IN A CHROMOSOME • FORCE X PERPENDICULAR DISTANCE= _____ • MIRRORS USED IN SIDE VIEW MIRRORS OF CARS • ELEMENT LOCATED IN THE 5TH PERIOD AND 17TH GROUP • ...
Chemical & Physical Reactions 2022-09-06
9 Clues: - liquid to gas • - liquid to solid • - solid liquid gas • - solid to a liquid • - heat without touch • Reaction - reversible • - heat rises cold falls • Reaction - irreversible • - heat across a suface with touch
Pharmacokinetics 2025-12-05
Across
- reaction - A severe allergic reaction like suffocating
- - The study of how the body effects a drug
- of action - Length of time a medication or other agents remain effective on the body
- order - A fixed quantity of drug is eliminated per unit of time
- level - When the amount of drug in a patients blood gives the desired response
- life - The time it takes the body to eliminate half of the drug
- effect - The generalized effect on the entire body
- - A state in which a persons body adapts to a drug & can't function without
- range - The range of serum concentrations for a drug that provides the best chance of achieving the desired response
- - The strength by which a specific messenger binds to its receptor site
- abuse - The use of a drug for purposes other than those prescribed
- - A drug that prevents the body's own chemical messenger from binding to a receptor site
- - A substance that produces an allergic reaction
- - A drug that triggers the same cellular response as the body's own chemical messenger
- effect - The point which no greater benefit is seen or toxicities of the drug are greater than its benefits
Down
- effect - The effect confined to specific part of the body
- - When a drug will cause harm and should not be used due to a specific situation
- - The body's constant effort to maintain a state of health & stability
- - A disease, symptom, or condition for which a drug is beneficial
- - A dependence characterized by a perceived need to use a drug for it's mood-altering effects
- dose - A dose given at regular intervals to keep the drug at a therapeutic level
- effect - The desired action of a drug or reason for which it is prescribed
- - The property of a receptor site that enables it to bind to a specific chemical messenger
- - Quantity of drug administered at one time
- - The fraction of a dose available to the target tissue
- dose - An amount of drug that will bring the blood concentration rapidly to a therapeutic level
- - The specific amount, dose number, dose frequency
- response - Defined as a local or general reaction of the immune system to a substance
- effect - A secondary response to a drug other than its intended primary therapeutic effect
29 Clues: - The study of how the body effects a drug • - Quantity of drug administered at one time • - A substance that produces an allergic reaction • - The specific amount, dose number, dose frequency • - The fraction of a dose available to the target tissue • reaction - A severe allergic reaction like suffocating • ...
Chapter 13 - Daniel N 2020-10-18
Across
- chemical that accepts a hydrogen ion.
- net absorption of energy.
- pH level of 7, pure water.
Down
- net release of energy.
- The number and type of atoms before and after a reaction.
- A + B → AB
- No atoms are gained or lost during any reaction.
- the amount of energy required to pull two bonded atoms apart
- chemical that donates a hydrogen ion.
- The log of a number is simply the power to which 10 is raised.
10 Clues: A + B → AB • net release of energy. • net absorption of energy. • pH level of 7, pure water. • chemical that accepts a hydrogen ion. • chemical that donates a hydrogen ion. • No atoms are gained or lost during any reaction. • The number and type of atoms before and after a reaction. • the amount of energy required to pull two bonded atoms apart • ...
Photosynthesis 2020-12-03
Across
- organelle where photosynthesis takes place; only in plant cells
- substances is produced in a chemical reaction
- a green pigment that allows the plant to absorb sunlight
- Lets gases in and out of the leaf
- what is needed for a chemical reaction to take place
- light+put together
Down
- plants making food in the form of sugar and producing oxygen
- Carries the glucose to the plant for its life processes
- Distributes water to the plant
- comes from the sun
10 Clues: comes from the sun • light+put together • Distributes water to the plant • Lets gases in and out of the leaf • substances is produced in a chemical reaction • what is needed for a chemical reaction to take place • Carries the glucose to the plant for its life processes • a green pigment that allows the plant to absorb sunlight • ...
Cheese 2017-01-05
Across
- The solid portion of the milk
- Conatainer that holds liquids
- Used to form produce distinct flavors of different types of cheese
- It is used as a storage place to store milk; it has rennin in that makes cheese
- The remaining liquid
- Are protein molecule that have the ability to change the rate of the chemical reaction.
Down
- The stomach lining
- forms different basis of simplest form type of cheese
- To change the rate of chemical reaction
- Milk protein
10 Clues: Milk protein • The stomach lining • The remaining liquid • The solid portion of the milk • Conatainer that holds liquids • To change the rate of chemical reaction • forms different basis of simplest form type of cheese • Used to form produce distinct flavors of different types of cheese • It is used as a storage place to store milk; it has rennin in that makes cheese • ...
Photosynthesis 2024-10-27
Across
- sugar needed from plants
- distributes water throughout the plant
- a green pigment in a plant that makes a plant green
- substances that are formed in a chemical reaction
- what is needed for a reaction to take place
Down
- process where green plants turn light energy into chemical energy
- only found in plant cells: is the site of photosynthesis
- energy comes from the sun
- carries the glucose to the plant for its life process
- the factory where photosynthesis happens
10 Clues: sugar needed from plants • energy comes from the sun • distributes water throughout the plant • the factory where photosynthesis happens • what is needed for a reaction to take place • substances that are formed in a chemical reaction • a green pigment in a plant that makes a plant green • carries the glucose to the plant for its life process • ...
Thermal Energy in chemical reactions 2025-02-13
Across
- motion, movement
- no movement, in place
- is anything that has mass and takes up space
- process where plants, algae, and certain bacteria use sunlight to convert carbon dioxide
- The process by which 1 or more substances change
- heat is release
Down
- a substance produced during a chemical reaction
- a substance that takes part in and undergoes change during a chemical reaction
- The total kinetic energy of the tiny particle that make up matter
- heat is absorbed
10 Clues: heat is release • motion, movement • heat is absorbed • no movement, in place • is anything that has mass and takes up space • a substance produced during a chemical reaction • The process by which 1 or more substances change • The total kinetic energy of the tiny particle that make up matter • a substance that takes part in and undergoes change during a chemical reaction • ...
Chemical reactions & Law Of Conservation 2024-11-07
Across
- mass - The mass of one mole of a substance used to convert between grams and moles
- - The starting substance in a chemical reaction
- - involves mole rations from balanced equations to calculate the amount of substances involved
Down
- - What law says that energy can neither be created nor destroyed
- - When a chemical equation shows the same number of each type of atom on both sides it is what
- - The substances formed as a result of the chemical reaction
- - Arrow in between reactants and products in a chemical reaction
7 Clues: - The starting substance in a chemical reaction • - The substances formed as a result of the chemical reaction • - What law says that energy can neither be created nor destroyed • - Arrow in between reactants and products in a chemical reaction • mass - The mass of one mole of a substance used to convert between grams and moles • ...
Chemistry Crossword 2025-12-08
Across
- Charged atom or molecule
- Substance formed in a chemical reaction
- Gaining electrons or decreasing oxidation state
- Pure substance made of one type of atom
- Same element, different number of neutrons
- Starting substance in a chemical reaction
Down
- Losing electrons or increasing oxidation state
- Negatively charged particle in atoms
8 Clues: Charged atom or molecule • Negatively charged particle in atoms • Substance formed in a chemical reaction • Pure substance made of one type of atom • Starting substance in a chemical reaction • Same element, different number of neutrons • Losing electrons or increasing oxidation state • Gaining electrons or decreasing oxidation state
Enzymes 2023-10-12
Across
- components you have after a chemical reaction takes place
- components you have before a chemical reaction takes place
- a protein that speeds up the rate of a chemical reaction
- when the shape of an enzyme is changed
Down
- a reactant that binds with an enzyme
- something that speeds up the rate of a reaction
6 Clues: a reactant that binds with an enzyme • when the shape of an enzyme is changed • something that speeds up the rate of a reaction • a protein that speeds up the rate of a chemical reaction • components you have after a chemical reaction takes place • components you have before a chemical reaction takes place
Unit 7 Vocabulary 2022-05-10
Across
- starting material in a chemical reaction
- organelle in the cells of plants and algae where photosynthesis takes place
- process of using the energy in sunlight to make food (glucose)
- respiration process in which cells break down glucose and make ATP for energy
- type of cellular respiration that does not require oxygen
Down
- substance that forms as the result of a chemical reaction
- cycle second stage of photosynthesis in which carbon atoms from carbon dioxide are combined,
- chemical energy that is stored in ATP and NADPH
- green pigment in a chloroplast that absorbs sunlight in the light reactions of photosynthesis
- reactions first stage of photosynthesis in which light energy from the sun is captured and changed
- organelle in eukaryotic cells that makes energy available to the cell in the form of ATP molecules
- the energy in ATP and NADPH, to make glucose
- type of cellular respiration that requires oxygen
13 Clues: the energy in ATP and NADPH, to make glucose • chemical energy that is stored in ATP and NADPH • starting material in a chemical reaction • type of cellular respiration that requires oxygen • substance that forms as the result of a chemical reaction • type of cellular respiration that does not require oxygen • ...
B1.3 and 1.4 photosynthesis and respiration 2021-05-11
Across
- anaerobic respiration process that produces ethanol and carbon dioxide
- process by which producers make food – carbon dioxide and water react to form glucose and oxygen
- organisms that make their own food through the process of photosynthesis
- process of transferring energy from glucose in the absence of oxygen
- the total mass of organisms in a given area
Down
- a chemical reaction in which energy is transferred from the reacting mixture to the surroundings
- the quantity of oxygen required to break down lactic acid produced during anaerobic respiration
- the rate at which the body uses energy
- factors which can prevent an increase in the rate of photosynthesis
- abbreviation of adenosine triphosphate, a chemical energy store
- a chemical reaction in which energy is transferred from the surrounding to the reacting mixture
- process of transferring energy from glucose and oxygen
- green pigment in chloroplast which traps energy from the Sun
13 Clues: the rate at which the body uses energy • the total mass of organisms in a given area • process of transferring energy from glucose and oxygen • green pigment in chloroplast which traps energy from the Sun • abbreviation of adenosine triphosphate, a chemical energy store • factors which can prevent an increase in the rate of photosynthesis • ...
Science Crossword 2022-12-14
Across
- the combining power of an element, especially as measured by the number of hydrogen atoms it can displace or combine with.
- a thing or person that is the result of an action or process.
- compounds made up of ions that form charged particles when an atom (or group of atoms) gains or loses electrons
- processes in which chemical species break up into simpler parts.
- A molecule or polymer with a single backbone the longest continuous chain of atoms bonded to each other, exclusive of all others, that comprise a polymer.
- 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 compound or substance that has been purified or prepared, especially artificially.
- the mutual sharing of one or more pairs of electrons between two atoms.
- a chemical bond formed when one atom gives up one or more electrons to another atom.
Down
- describe molecules and polyatomic ions that have one atom in center and four atoms at the corners of a tetrahedron
- occur when parts of two ionic compounds are exchanged, making two new compounds.
- an action performed or a feeling experienced in response to a situation or event.
- 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 kind of molecular geometry in which the central atom has two lone pairs of electrons and is associated with two bond pairs
- the basic unit of a chemical element.
- a reaction in which one element is substituted for another element in a compound.
- consists of a central atom connected to three atoms arranged in a triangular pattern around the central atom.
- an arrangement of elements in a particular form, figure, or combination.
- the process by which one or more chemical reactions are performed with the aim of converting a reactant or starting material into a product or multiple products.
- a substance that takes part in and undergoes change during a reaction
- any atom or group of atoms that bears one or more positive or negative electrical charges.
21 Clues: the basic unit of a chemical element. • a thing or person that is the result of an action or process. • processes in which chemical species break up into simpler parts. • a substance that takes part in and undergoes change during a reaction • the mutual sharing of one or more pairs of electrons between two atoms. • ...
Science Crossword 2022-12-14
Across
- the combining power of an element, especially as measured by the number of hydrogen atoms it can displace or combine with.
- a thing or person that is the result of an action or process.
- compounds made up of ions that form charged particles when an atom (or group of atoms) gains or loses electrons
- processes in which chemical species break up into simpler parts.
- A molecule or polymer with a single backbone the longest continuous chain of atoms bonded to each other, exclusive of all others, that comprise a polymer.
- 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 compound or substance that has been purified or prepared, especially artificially.
- the mutual sharing of one or more pairs of electrons between two atoms.
- a chemical bond formed when one atom gives up one or more electrons to another atom.
Down
- describe molecules and polyatomic ions that have one atom in center and four atoms at the corners of a tetrahedron
- occur when parts of two ionic compounds are exchanged, making two new compounds.
- an action performed or a feeling experienced in response to a situation or event.
- 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 kind of molecular geometry in which the central atom has two lone pairs of electrons and is associated with two bond pairs
- the basic unit of a chemical element.
- a reaction in which one element is substituted for another element in a compound.
- consists of a central atom connected to three atoms arranged in a triangular pattern around the central atom.
- an arrangement of elements in a particular form, figure, or combination.
- the process by which one or more chemical reactions are performed with the aim of converting a reactant or starting material into a product or multiple products.
- a substance that takes part in and undergoes change during a reaction
- any atom or group of atoms that bears one or more positive or negative electrical charges.
21 Clues: the basic unit of a chemical element. • a thing or person that is the result of an action or process. • processes in which chemical species break up into simpler parts. • a substance that takes part in and undergoes change during a reaction • the mutual sharing of one or more pairs of electrons between two atoms. • ...
Chemistry Exam Review 2023-01-04
Across
- The most electronegative element
- Nonmetals in group 17, create +1 ions
- A substance that changes color in acidic or basic conditions
- Measure of a given amount of solute dissolved in the solvent
- The products of a chemical reaction
- The fundamental unit of temperature without negative values
- This variable, along with temperature, determine the state of matter of a substance
- A formula that shows the lowest whole number ration of elements in a compound
- This molecular model shows bonds and valence electrons
- Measure of electrical current
- This 3D geometry results from a molecule with 4 electron-dense areas an no lone pairs
- Columns on the PT, where elements have similar properties
- These types of compounds have low melting points
- Chemical solution with a pH less than 7
- Subatomic particle that determines identity of element
- a type of radiation used in cancer treatment that can be stopped by aluminum
- The variable is what is gathered/measured in a study
Down
- A measure of being close to an accepted value
- Measurement that is would be the same with any amount of the substace
- A region of probability where you are likely to find an electron
- Different versions of an atom indicated by number of neutrons
- Temperature change is ________ of a chemical reaction
- The father of the periodic table
- A molecule with 3 carbons, and at least one double bond
- The measurement of masses and chemical quantities through a chemical reaction
- Molecules in this state of matter vibrate in a fixed location
- A molecule or bond with unequal sharing of electrons
- Model of the atom that shows how electrons have different energy levels as it orbits the nucleus
- Different solid versions of a substance
- These electrons are involved in ionization and bonding
- The process of gaining electrons in batteries
- Elements become increasingly ____________ as they increase in mass
- This model illustrates that atoms have a dense nucleus but are mostly empty space
- This scientist's number indicates the number of particles in a mole
- When N, F, or O bonding with this element it creates the strongest intermolecular force
- Indicates the substance is dissolved in water
36 Clues: Measure of electrical current • The most electronegative element • The father of the periodic table • The products of a chemical reaction • Nonmetals in group 17, create +1 ions • Different solid versions of a substance • Chemical solution with a pH less than 7 • A measure of being close to an accepted value • The process of gaining electrons in batteries • ...
Basic chemistry 2024-09-09
Across
- A carbohydrate composed of two monosaccharides
- Shell The outermost electron shell of an atom that determines its chemical behavior
- Organic molecules including fats, oils, and steroids, that are insoluble in water
- A substance that releases hydrogen ions in solution
- The smallest unit of matter retaining the properties of an element
- Large molecules composed of amino acids
- (Adenosine Triphosphate)The main energy currency of cells
- A substance that accepts hydrogen ions or releases hydroxide ions in solution
- A substance that is dissolved in a solvent
- Reaction A reaction between an acid and a base that produces water and a salt
- A substance formed by the chemical combination of two or more elements in fixed proportions
- Scale Ascale that measures the acidity or basicity of a solution
- Compounds Compounds that contain carbon
- A type of lipid characterized by a carbon skeleton consisting of four rings
- Fatty Acid Afatty acid with no double bonds between carbon atoms, fully saturated with hydrogen
- Structure The sequence of amino acids in a protein
- Organic compounds consisting of carbon, hydrogen, and oxygen, typically in a 1:2:1 ratio
- A substance composed of identical atoms that cannot be broken down by ordinary chemical means
- The building block of nucleic acids, consisting of a sugar, a phosphate group, and a nitrogenous base
- An atom or group of atoms that has gained or lost one or more electrons, thus acquiring a charge
- The simplest form of carbohydrate, such as glucose
- Molecule A molecule with an uneven distribution of charge, leading to a dipole moment
- Variants of an element that have the same number of protons but different numbers of neutrons
Down
- A substance that minimizes changes in pH by accepting or donating hydrogen ions
- Acid) The molecule that carries genetic information in cells
- The tendency of an atom to attract electrons towards itself
- Substances that conduct an electric current when dissolved in water
- Synthesis A chemical reaction that builds larger molecules by removing water
- Site The region on an enzyme where the substrate binds
- Fatty Acid : A fatty acid with one or more double bonds between carbon atoms
- Structure The overall three-dimensional shape of a protein
- Acids The building blocks of proteins, containing an amino group and a carboxyl group
- A substance that speeds up a chemical reaction without being consumed
- The addition of a phosphate group to a molecule, often to regulate its activity
- Two or more atoms bonded together
- The loss of a protein's native structure, rendering it nonfunctional
- Bond The attraction between oppositely charged ions
- Bond A weak attraction between a hydrogen atom and another atom
- chemical reaction that breaks down molecules by adding water
- Helix The spiral shape of DNA
- (Ribonucleic Acid) A molecule that plays a role in protein synthesis
- A substance in which other substances can dissolve
- Acids. DNA and RNA, molecules that store and transfer genetic information
- A protein that speeds up chemical reactions in the body without being consumed
- The reactant on which an enzyme acts
- Compounds Compounds that do not contain carbon, such as water and salts
- Structure The structure formed by the combination of multiple polypeptide chains
- Structure The folding or coiling of the amino acid chain into alpha helices or beta sheets
- Bond A bond formed when atoms share one or more pairs of electrons
- A complex carbohydrate composed of long chains of monosaccharides
50 Clues: Helix The spiral shape of DNA • Two or more atoms bonded together • The reactant on which an enzyme acts • Large molecules composed of amino acids • Compounds Compounds that contain carbon • A substance that is dissolved in a solvent • A carbohydrate composed of two monosaccharides • Structure The sequence of amino acids in a protein • ...
Pandemic Crossroads 2020-07-07
Across
- Number of protons in nucleus of an atom
- Reactant of enzyme-catalyzed reaction
- Chemical reaction that requires heat
- Used to measure mass
- The father of Western medicine
- Made up of two or more different substances combined physically
- Mixture in which composition is not uniform
- Study of viruses and viral diseases
- Product of photosynthesis
- Series of genes that determine hereditary characteristics
- Scientific ________ is a hypothesis that has not been disproven after many years of rigorous testing
- Little packets of light
- Discovered penicillin
- Substance that changes rate of a chemical reaction
- Having two genes at corresponding loci
- Carrying out est to determine outcome
- Substances composed of only one type of atom
- Invented food preservation by pasteurization
- Founder of quantum mechanics
- Change that occurs in inherited trait of a population over generations
- Acids in genes
- Scientist that studies fungi
- Fundamental substance consisting of only one kind of atom
- Physical expression of genes
- Discovered DNA’s structure and replication mechanism
Down
- Process of maintaining balance
- Particle theory of light was formulated by what scientist
- Discovered the chemical elements radium and polonium and made numerous pioneering contributions to the study of radioactive elements
- Self feeders
- Energy in motion
- Smallest unit that carries on life function
- Maximum number of electrons 2nd shell can hold
- Study of fish
- Invented two-part naming system used to classify all lifeforms
- Charge an element becomes and number of electrons it loses or gains
- Bond formed by sharing of electrons between atoms
- Theory of this proposes that speed of light is the ultimate speed limit
- Disease spreader
- Founded the science of genetics
- Organelle that makes protein
- Eye protection
- Process where one or more substances are converted to product
- Authored On the Origin of Species
- Diffusion across membrane
- Point about which lever rotates
- Protein catalyst
- Frameshift or missense
- Genetic constitution of individual
- Statement based on a hypothesis about condition that should exist if the hypothesis is correct
- Light waves are what kind of waves
- Body response to disease
51 Clues: Self feeders • Study of fish • Eye protection • Acids in genes • Energy in motion • Disease spreader • Protein catalyst • Used to measure mass • Discovered penicillin • Frameshift or missense • Little packets of light • Body response to disease • Product of photosynthesis • Diffusion across membrane • Organelle that makes protein • Founder of quantum mechanics • Scientist that studies fungi • ...
Chemistry Midterm Study Guide Chapter 1 Vocab 2026-01-05
Across
- The amount of matter in an object; usually measured in grams or kilograms
- the branch of science that deals with the identification of the substances of which matter is composed
- – A reaction or process that absorbs energy, usually as heat, from its surroundings.
- Model – A representation of an object, system, or process used to explain and predict phenomena
- – A solid solution of two or more metals (or a metal and another element) that has metallic properties (e.g., steel, brass).
- of Conservation of Mass – Mass cannot be created or destroyed in a chemical reaction; the total mass of reactants equals the total mass of products.
- – Matter that has a uniform and definite composition; can be an element or compound.
- – A substance that evaporates easily at normal temperatures.
- Change – A change in which one or more substances are transformed into new substances with different properties
- – Descriptions of matter that do involve numbers (e.g., mass, volume, temperature).
- Anything that has mass and takes up space
- Property – A characteristic of a substance that describes its ability to change into a new substance (e.g., flammability, reactivity).
- – The mass of a substance per unit volume (Density = Mass ÷ Volume).
Down
- – A characteristic of matter that can be observed or measured
- Change – A change that affects the form of a substance but does not change its chemical identity (e.g., melting, cutting).
- Property – A characteristic of a substance that can be observed without changing its chemical composition (e.g., color, density, melting point).
- Reaction – A process in which substances (reactants) change chemically to form new substances (products).
- Solution – A solution where water is the solvent.
- – A pure substance made of two or more elements chemically combined in a fixed ratio.
- – A reaction or process that releases energy, usually as heat, to its surroundings.
- – A combination of two or more substances that are not chemically bonded and can be separated physically.
- – Descriptions of matter that do not involve numbers (e.g., color, texture, odor).
- – A symbolic representation of the elements in a compound and their proportions (e.g., H₂O, CO₂).
- – A homogeneous mixture where one substance (solute) is dissolved in another (solvent).
- – The capacity to do work or produce change; can be stored (potential) or in motion (kinetic).
- – The substance that is dissolved in a solution.
- – A pure substance made of only one type of atom.
27 Clues: Anything that has mass and takes up space • – The substance that is dissolved in a solution. • Solution – A solution where water is the solvent. • – A pure substance made of only one type of atom. • – A substance that evaporates easily at normal temperatures. • – A characteristic of matter that can be observed or measured • ...
allergen crossword 2017-05-30
Across
- allergen found in Heinz tomato ketchup
- chemical released by the body that causes the symptoms
- need to be washed after handling allergens
- found in marzipan
- not as severe as an allergy
- staff need this to give them appropriate knowledge
- foods apart
- allergen found in vinegar
Down
- allergen found in edamame beans
- found in tahini
- not that grows below ground
- common allergen
- salad dressing contains eggs
- potential result od a severe allergic reaction
- person who offers advice on managing allergens
- itchy rash on body
- medical equipment needed if someone is having an allergic reaction
17 Clues: foods apart • found in tahini • common allergen • found in marzipan • itchy rash on body • allergen found in vinegar • not that grows below ground • not as severe as an allergy • salad dressing contains eggs • allergen found in edamame beans • allergen found in Heinz tomato ketchup • need to be washed after handling allergens • potential result od a severe allergic reaction • ...
elaments 2017-12-18
Across
- an arrangement of elements
- lacking most of the properties of metal
- chemical symbol of B
- to carry electric current
- The ability to be hammered
- the elements in groups 3-12 (ex. iron,copper,gold,silver
- numbered from group 1 on the left and Group 18 on the right
- substances that can conduct electric current under some conditions but not under others
- the way light reflects off of an object
- when an element combines with other substances
- has atomic number 11
Down
- arranged from left to rigt
- to be coiled into a thin wire
- contains either one or two letters
- good conductors of electric current and heat
- Chemical symbol of Cu
- to transfer heat
- the average mass
- some properties of metals and nonmetals
- a chemical reaction in the environment
20 Clues: to transfer heat • the average mass • chemical symbol of B • has atomic number 11 • Chemical symbol of Cu • to carry electric current • arranged from left to rigt • an arrangement of elements • The ability to be hammered • to be coiled into a thin wire • contains either one or two letters • a chemical reaction in the environment • lacking most of the properties of metal • ...
Carbonyl Chemistry 2022-03-17
Across
- a Lewis dot structure for a given compound
- Widely used to methylate carboxylic acids
- a dynamic state where the concentration of reactants remain constant
- a type of chemical that your liver produces when it breaks down fats
- making complicated chemical compounds out of simpler ones
- a naturally occurring organic compound with the formula CH₂O
- a moiety derived by the removal of one or more hydroxyl groups from an oxoacid, including inorganic acids
- are a class of lipids whose molecule has a hydrophilic "head" containing a phosphate group and two hydrophobic "tails" derived from fatty acids, joined by an alcohol residue
- overlap that exists between C and O 2p orbitals
- Have high boiling points and are able to H-bond
- reagent with the generic formula R−Mg−X, where X is a halogen and R is an organic group, normally an alkyl or aryl
Down
- Reduces double bond character and also allows more resonance
- addition of a proton to a molecule forming a conjugate acid
- is the simplest carbonyl group
- lipids that give your body energy
- a species with a lot of electrons that can donate a pair of electrons
- a specific group of atoms or bonds within a compound that is responsible for the characteristic chemical reactions of that compound.
- the person who the esterification reaction is named after
- any member of a class of substances containing at least one metal-to-carbon bond in which the carbon is part of an organic group
- the removal of a proton, from a Brønsted–Lowry acid in an acid–base reaction
- chemical compound containing the group C≡N
21 Clues: is the simplest carbonyl group • lipids that give your body energy • Widely used to methylate carboxylic acids • a Lewis dot structure for a given compound • chemical compound containing the group C≡N • overlap that exists between C and O 2p orbitals • Have high boiling points and are able to H-bond • the person who the esterification reaction is named after • ...
Biochemistry 2021-12-14
Across
- Water molecules sticking to each other.
- any compound that forms H+ ions in solution
- An organic compound that is made of one or more chains of amino acids. Important for bones and muscles.
- Energy-rich organic compounds, such as fats, oils, and waxes, that are made of carbon, hydrogen, and oxygen.
- A long molecule consisting of many similar or identical monomers linked together.
- a compound that produces hydroxide OH- ions in solution
- A simple compound whose molecules can join together to form polymers
- Proteins that speed up chemical reactions
- A liquid capable of dissolving other substances
- A chemical substance that is present at the start of a chemical reaction
- compound that prevents sharp, sudden changes in pH
Down
- A subatomic particle that has no charge and that is found in the nucleus of an atom
- compound made up of carbon, hydrogen, and oxygen atoms; major source of energy for the human body
- A subatomic particle that has a positive charge and that is found in the nucleus of an atom
- pure substance that consists entirely of one type of atom
- very large organic molecules composed of many smaller molecules. They include carbs, lipids, nucleic acids, and proteins.
- Atoms of the same element that have different numbers of neutrons
- A subatomic particle that has a negative charge and that is found outside of the nucleus of an atom
- water is attracted to other polar substances
- A substance produced in a chemical reaction
- Basic unit of matter
21 Clues: Basic unit of matter • Water molecules sticking to each other. • Proteins that speed up chemical reactions • any compound that forms H+ ions in solution • A substance produced in a chemical reaction • water is attracted to other polar substances • A liquid capable of dissolving other substances • compound that prevents sharp, sudden changes in pH • ...
Chemical & Mechanical Weathering 2024-02-29
Across
- Small, solid particles of weathered rocks or organic materials transported by natural forces.
- The ability of soil to support plant growth
- Pertaining to changes in the composition of rocks through reactions.
- Relating to the study of Earth's structure, composition, and processes.
- A recognizable feature on Earth's surface shaped by weathering processes.
- A natural underground chamber, typically formed in limestone by chemical weathering.
- The process where minerals react with carbon dioxide, contributing to weathering.
- A reaction where minerals react with water, leading to rock decomposition.
- Resulting from human activities
- The vertical movement of Earth's crust, exposing rocks to weathering.
Down
- The arrangement of natural and artificial physical features of an area.
- The sinking or settling of Earth's surface, influencing weathering patterns.
- The ability of a material to allow fluids to pass through
- Naturally occurring inorganic substances with specific composition and structure.
- A crack or break in a rock, often serving as a starting point for weathering.
- The process of clearing large expanses of forests, potentially accelerating weathering.
- A natural rock formation with a curved or arched structure, shaped by weathering.
- The ability of soil to support plant growth, influenced by weathering processes.
- Involving physical breakdown of rocks without chemical alteration.
- A deep, narrow valley with steep sides, often formed by river erosion.
- The process of breaking down rocks into smaller particles over time.
- Physical rubbing or grinding of rocks against each other causing breakage.
- A chemical reaction where minerals combine with oxygen, altering rock properties.
- The transport of weathered material by natural agents like wind, water, or ice.
24 Clues: Resulting from human activities • The ability of soil to support plant growth • The ability of a material to allow fluids to pass through • Involving physical breakdown of rocks without chemical alteration. • Pertaining to changes in the composition of rocks through reactions. • The process of breaking down rocks into smaller particles over time. • ...
environmental science 2025-07-22
Across
- Earth’s water system including oceans, rivers, and glaciers
- Zone of life where organisms exist.
- A result of excess CO₂ trapping heat in Earth’s atmosphere
- A type of chemical reaction that gives off energy.
- Protective gas layer where weather occurs
- Bacteria turn nitrogen gas into a usable form for plants in this process.
- What powers work in biological systems.
- Energy involved in movement or motion.
- All the chemical processes that happen inside a living thing.
- The Earth’s crust and upper mantle form this environmental layer
- The minimum energy needed for a chemical reaction to begin.
- Republic Act aimed at managing solid waste
- The process of converting atmospheric nitrogen into a usable form
Down
- Discipline studying human behavior, culture, and society
- Type of potential energy found in food molecules.
- The release of water from Earth’s surface into the atmosphere
- Act of perceiving something using senses or instruments
- A methodical way to gain knowledge through evidence
- Southeast Asian country vulnerable to typhoons and volcanoes
- Loss of species that threatens biodiversity
- Discipline studying human behavior, culture, and society
- Yellow non-metallic element involved in acid rain formation
- A biological catalyst made of protein.
- The law stating that energy is conserved.
- The main energy currency molecule used by cells
- Science that explores plants, animals, and microorganisms
- Science that focuses on matter, energy, and their interactions
- Study of weather and atmospheric phenomena
- Repeating sequences scientists try to understand in nature
- A scientific explanation tested and supported over time
- The release of sulfur and nitrogen oxides can lead to this acidic form of precipitation.
31 Clues: Zone of life where organisms exist. • A biological catalyst made of protein. • Energy involved in movement or motion. • What powers work in biological systems. • Protective gas layer where weather occurs • The law stating that energy is conserved. • Study of weather and atmospheric phenomena • Republic Act aimed at managing solid waste • ...
Processing Specimens 2021-10-27
Across
- also known as biohazard, any biological ask to organisms.
- a lab testing result outside of the expected reference range that can be life threatening.
- a chemical substance that reacts in specific, predictable ways to detect or synthesize other substances in chemical reaction.
- to divide specimens into smaller portions
- sample specimens with known laboratory values, used prior to processing a patients sample.
- A method of transportation and distribution of laboratory test results and other documents.
- samples of legal value in a civil criminal case.
- the chronological documention(paper trail) showing the acquisitions custody, control, transfer, analysis, and disposition of specimens that provide evidence.
Down
- the concentration of alcohal in a persons blood stream.
- a method of urinalysis involving the use of plastic strips with pads containing a substance that causes a specific chemicals reaction.
- a device that spins a lab specimens at high speeds to separate the samples into their components for testing purposes
- at or near by patient or at the patients beside.
- Substance formed when red blood cells are broken down.
- medication for patients who have had chemotherapy that had cancer, also use ilicity by some athletes to boost production of red blood cells and thus increase endurance.
- injection of blood cells or blood subsitutes to increase athletic endurance by boosting the bloodstreams oxygen carrying capacity.
- a solution(such as water or saline) that reduces the concentrate on of a specimen.
- an evaluation of urine by physical chemical, are microscopic testing.
- an abnormal reaction to or a change resulting from exposure to light.
- an abnormal reaction to or a change resulting from exposure to light.
- a lab that is outside patients care facility and can perform many more types of testing than are available at the average hospital's laboratory.
20 Clues: to divide specimens into smaller portions • at or near by patient or at the patients beside. • samples of legal value in a civil criminal case. • Substance formed when red blood cells are broken down. • the concentration of alcohal in a persons blood stream. • also known as biohazard, any biological ask to organisms. • ...
Basics of Chemistry 2023-02-20
Across
- measures the acidity and alkalinity of a substance; ranges from 0-14
- any substance that occupies space and has mass (weight)
- oil droplets emulsified in water
- a chemical combination of a single type of matter
- physical combination of matter in any proportions
- the separation of an atom or molecule into positive and negative ions
- a change in the formor physical properties of a substance without the formation of a new substance
- a solution that has a pH above 7.0; turns litmus paper from red to blue
- substance often used as an emulsifier; acts as a bridge to allow oils and water to mix and form an emulsion
- molecules combinations of two or more atoms of different elements united together chemically
- a measure of the acidity or alkalinity of a substance
- an unstable mixture of two or more immiscible substances united with the aid of a binder or emulsifier
- characteristics that can only be determined by a chemical reaction and a chemical change in the substance
- the science that deals with the composition, structures, and properties of matter and how matter changes under different conditions
- VOCs;compounds containing carbon (organic); evaporate very quickly (volatile) and easily
- water droplets emulsified in oil
- the study of substances that do not contain carbon but may contain hydrogen
- a solution that has pH below 7.0; turns litmus paper from blue to red
Down
- two or more atoms joined chemically
- chemical reactions that produce heat
- water-loving
- not capable of being mixed
- easily evaporating
- the simplest form of matter, which cannot be broken down into a simpler substance without a loss of identity
- an unstable mixture of undissolved particles in a liquid
- a liquid that has evaporated into a “gas-like” state but not gas
- a special form of matter that behaves like gas, but unlike gases, plasma conducts electricity
- substance that is dissolved in a solution
- the study of substances that contain carbon
- those characteristics that can be determined without a chemical reaction and that do not cause a chemical change in the substance
- brings two normally incompatible materials together and bonds them into a uniform and fairly stable blend; the materials eventually separate, but very slowly over time
- a stable uniform blend of two or more mixable substances
- a sweet, colorless, ouly substance used as a moisturizing ingredient in cosmetic products
- chemical combinations of atoms of the same element
- substance that dissolves the solute in a solution
- ion with a positive electrical charge
- an atom or molecule that carries an electrical charge
- a special type of ingredient used in nail polish dryers and skin protectants
- change in the chemical & physical properties of a substance by a chemical reaction that creates a new substance or substances
- ion with a negative electrical charge
- the smallest particle of an element that still retains the properties of that element
- oil-loving
- mutually solable liquids, can be mixed together to form stable solutions, which cannot be easily separated
43 Clues: oil-loving • water-loving • easily evaporating • not capable of being mixed • oil droplets emulsified in water • water droplets emulsified in oil • two or more atoms joined chemically • chemical reactions that produce heat • ion with a positive electrical charge • ion with a negative electrical charge • substance that is dissolved in a solution • ...
Vocabulary Quiz #5 - Crossword Warm Up 2023-10-09
Across
- Plants use the sun's energy to convert water and carbon dioxide into sugars
- Second step of photosynthesis where chemical energy is used to make sugar (Glucose)
- energy-carrying biological molecule, which, when broken down, drives cellular activities
- Equation for photosynthesis
- Green pigment in plants that absorbs light energy used to carry out photosynthesis
- fluid portion of the chloroplast; outside of the thylakoids
Down
- a substance that takes part in and undergoes change during a reaction.
- An organism that obtains energy by feeding on other organisms
- reactions of photosynthesis that use energy from light to produce ATP and NADPH
- A flattened membrane sac inside the chloroplast, used to convert light energy to chemical energy.
- An organism that can make its own food.
- An organelle found in plant and algae cells where photosynthesis occurs
- A substance produced in a chemical reaction
13 Clues: Equation for photosynthesis • An organism that can make its own food. • A substance produced in a chemical reaction • fluid portion of the chloroplast; outside of the thylakoids • An organism that obtains energy by feeding on other organisms • a substance that takes part in and undergoes change during a reaction. • ...
chemistry 2022-04-12
Across
- any substance that cannot be decomposed into simpler substances by ordinary chemical processes
- a substance that takes part in and undergoes change during a reaction.
- breaks down two or more elements
- two or more elements combined to form a compound
- a substance that is formed as the result of a chemical reaction.
- a small-sized number on the bottom right of the symbol
- ions present in 2 compounds in an aqueous solution change places to form 2 new compound
Down
- a hydrocarbon reacts with oxygen to form carbon dioxide and water
- the building block of chemistry
- this is neither created nor destroyed
- any substance composed of identical molecules consisting of atoms of two or more chemical elements
- replacement is an element that switches places or replaces another element
- mass is the mass in grams of 1 mole of the substance
13 Clues: the building block of chemistry • breaks down two or more elements • this is neither created nor destroyed • two or more elements combined to form a compound • mass is the mass in grams of 1 mole of the substance • a small-sized number on the bottom right of the symbol • a substance that is formed as the result of a chemical reaction. • ...
Science Crossword 2022-12-14
Across
- a kind of molecular geometry in which the central atom has two lone pairs of electrons and is associated with two bond pairs
- the mutual sharing of one or more pairs of electrons between two atoms.
- a compound or substance that has been purified or prepared, especially artificially.
- 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.
- processes in which chemical species break up into simpler parts.
- compounds made up of ions that form charged particles when an atom (or group of atoms) gains or loses electrons
- the basic unit of a chemical element.
- an action performed or a feeling experienced in response to a situation or event.
- the combining power of an element, especially as measured by the number of hydrogen atoms it can displace or combine with.
- a reaction in which one element is substituted for another element in a compound.
- a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids
Down
- A molecule or polymer with a single backbone the longest continuous chain of atoms bonded to each other, exclusive of all others, that comprise a polymer.
- describe molecules and polyatomic ions that have one atom in center and four atoms at the corners of a tetrahedron
- a thing or person that is the result of an action or process.
- a chemical bond formed when one atom gives up one or more electrons to another atom.
- the process by which one or more chemical reactions are performed with the aim of converting a reactant or starting material into a product or multiple products.
- consists of a central atom connected to three atoms arranged in a triangular pattern around the central atom.
- occur when parts of two ionic compounds are exchanged, making two new compounds.
- an arrangement of elements in a particular form, figure, or combination.
- any atom or group of atoms that bears one or more positive or negative electrical charges.
- a substance that takes part in and undergoes change during a reaction
21 Clues: the basic unit of a chemical element. • a thing or person that is the result of an action or process. • processes in which chemical species break up into simpler parts. • a substance that takes part in and undergoes change during a reaction • the mutual sharing of one or more pairs of electrons between two atoms. • ...
CHEMISTRY CROSSWORD PUZZLE 2025-07-21
Across
- "Makes up most of the air we breathe, but we can't use it directly."
- A slow chemical reaction between iron, water, and oxygen.
- A negatively charged particle that moves around the nucleus.
- A chemical reaction in which a substance burns in oxygen to release heat.
- An energy level where electrons revolve around the nucleus in an atom.
- The mixing of atomic orbitals to form new orbitals for bonding.
- A combination of two or more substances that do not chemically combine.
- The process of forming solid crystals from a solution.
- Relationship Similarity between certain elements diagonally placed in the periodic table, like lithium and magnesium.
- A pure substance made up of only one type of atom.
- The process in which a single ligand forms multiple bonds with a central metal ion.
- The chemical decomposition of a substance by passing electric current through it.
- A substance with a sour taste and pH less than 7; turns blue litmus red.
- A unit of concentration defined as moles of solute per liter of solution.
Down
- Tendency of an atom to attract a shared electron pair in a chemical bond.
- A phenomenon where a compound exists in two forms by the shifting of a hydrogen atom and a double bond.
- A neutral particle found in the nucleus of an atom.
- The smallest unit of matter that retains the properties of an element.
- Mass per unit volume; determines how heavy something is for its size.
- The existence of an element in more than one physical form in the same state (like diamond )
- The amount of space an object or substance occupies.
- A fixed circular path in Bohr’s model where electrons revolve around the nucleus.
- Affinity The energy change when an atom gains an electron to form a negative ion.
- Regions in an atom where there is a high probability of finding electrons.
- moment Moment A measure of the separation of positive and negative charges in a molecule; usually shown in Debye.
- Unequal sharing of electrons in a molecule causes this type of charge separation.
- A state in a chemical reaction where forward and reverse reactions occur at the same rate.
- A mixture of two or more metals, or a metal and a non-metal.
- Two or more atoms bonded together.
- A solid substance with a regular and repeating arrangement of particles.
30 Clues: Two or more atoms bonded together. • A pure substance made up of only one type of atom. • A neutral particle found in the nucleus of an atom. • The amount of space an object or substance occupies. • The process of forming solid crystals from a solution. • A slow chemical reaction between iron, water, and oxygen. • ...
Key terms 2025-12-08
Across
- reaction - A severe allergic reaction like suffocating
- - The study of how the body effects a drug
- of action - Length of time a medication or other agents remain effective on the body
- order - A fixed quantity of drug is eliminated per unit of time
- level - When the amount of drug in a patient's blood gives the desired response
- life - The time it takes the body to eliminate half of the drug
- effect - The generalized effect on the entire body
- - A state in which a person's body adapts to a drug & can't function without
- range - The range of serum concentrations for a drug that provides the best chance of achieving the desired response
- - The strength by which a specific messenger binds to its receptor site
- abuse - The use of a drug for purposes other than those prescribed
- - A drug that prevents the body's own chemical messenger from binding to a receptor site
- - A substance that produces an allergic reaction
- - A drug that triggers the same cellular response as the body's own chemical messenger
- effect - The point which no greater benefit is seen or toxicities of the drug are greater than its benefits
Down
- effect - The effect confined to specific part of the body
- - When a drug will cause harm and should not be used due to a specific situation
- - The body's constant effort to maintain a state of health & stability
- - A disease, symptom, or condition for which a drug is beneficial
- - A dependence characterized by a perceived need to use a drug for its mood-altering effects
- dose - A dose given at regular intervals to keep the drug at a therapeutic level
- effect - The desired action of a drug or reason for which it is prescribed
- - The property of a receptor site that enables it to bind to a specific chemical messenger
- - Quantity of drug administered at one time
- - The fraction of a dose available to the target tissue
- dose - An amount of drug that will bring the blood concentration rapidly to a therapeutic level
- - The specific amount, dose number, dose frequency
- response - Defined as a local or general reaction of the immune system to a substance
- effect - A secondary response to a drug other than its intended primary therapeutic effect
29 Clues: - The study of how the body effects a drug • - Quantity of drug administered at one time • - A substance that produces an allergic reaction • - The specific amount, dose number, dose frequency • - The fraction of a dose available to the target tissue • reaction - A severe allergic reaction like suffocating • ...
Chemistry reaction words 2020-04-24
Across
- metal Polyatomic ion Subscript
- series Coefficient
- of Conservation of Atoms Neutralization reaction Element
- equation Reactant
- replacement Double replacement Combustion Synthesis Decomposition
- Reversible reaction Catalyst Monatomic Diatomic
Down
- Molecular
- equations Metal
- reaction Word equation Formula equation Solid
9 Clues: Molecular • equations Metal • equation Reactant • series Coefficient • metal Polyatomic ion Subscript • reaction Word equation Formula equation Solid • Reversible reaction Catalyst Monatomic Diatomic • of Conservation of Atoms Neutralization reaction Element • replacement Double replacement Combustion Synthesis Decomposition
Metabolism for pros 2021-12-06
12 Clues: food • blood • sugar • energy • oxygen • eat molecules • glucose+oxygen • needs amino acids • path through body • chemical reaction • needed for cellular growth • travel through circulatory system
Chemical Reactions 2018-11-09
Across
- The formation of a new substance with a different composition and properties than the initial substance.
- A reaction in which a single reactant splits into two or more simpler substances.
- A reaction that requires heat; the energy of the products is higher than the energy of the reactants.
- A reaction that releases heat; the energy of the products is lower than the energy of the reactants.
- When a stress is placed on a system at equilibrium, the reaction shifts to relieve that stress.
- The energy required to break apart the bonds of the reacting molecules.
- The loss of electrons by a substance.
- A substance that increases the rate of reaction by lowering the activation energy.
Down
- An element replaces a different element in a compound.
- A reaction in which parts of two different reactants exchange places.
- A change in which the physical properties change but the chemical composition does not change.
- The speed at which reactants are used to form products.
- The gain of electrons by a substance.
- A reaction in which an element or a compound reacts with oxygen to form oxide products.
- The point at which the forward and reverse reactions take place at the same rate so that there is no further change in amounts of reactants and products.
- A reaction in which reactants combine to form a single product.
16 Clues: The gain of electrons by a substance. • The loss of electrons by a substance. • An element replaces a different element in a compound. • The speed at which reactants are used to form products. • A reaction in which reactants combine to form a single product. • A reaction in which parts of two different reactants exchange places. • ...
Unit 2 week 2 vocab 2021-09-17
Across
- the speed at which a chemical reaction occurs
- the number of atoms of a particular element in a chemical reaction.
- in any chemical process, Matter is neither lost or gained(sometimes stated as matter is not created or destroyed)
- the number placed in front of a compound to balance a chemical equation
Down
- Random kinetic energy possesses by objects in a material
- A chemical equation where the number of atoms of each element are the same on both sides.
- the measure of the quantity of matter.
- this is rate at which a substance undergoes a chemical change.
8 Clues: the measure of the quantity of matter. • the speed at which a chemical reaction occurs • Random kinetic energy possesses by objects in a material • this is rate at which a substance undergoes a chemical change. • the number of atoms of a particular element in a chemical reaction. • the number placed in front of a compound to balance a chemical equation • ...
Chemical Reactions 2018-11-09
Across
- A substance that increases the rate of reaction by lowering the activation energy.
- A reaction in which a single reactant splits into two or more simpler substances.
- The loss of electrons by a substance.
- When a stress is placed on a system at equilibrium, the reaction shifts to relieve that stress.
- The formation of a new substance with a different composition and properties than the initial substance.
- A reaction that releases heat; the energy of the products is lower than the energy of the reactants.
- A reaction in which an element or a compound reacts with oxygen to form oxide products.
Down
- A reaction in which reactants combine to form a single product.
- A reaction that requires heat; the energy of the products is higher than the energy of the reactants.
- An element replaces a different element in a compound.
- The energy required to break apart the bonds of the reacting molecules.
- A reaction in which parts of two different reactants exchange places.
- A change in which the physical properties change but the chemical composition does not change.
- The speed at which reactants are used to form products.
- The point at which the forward and reverse reactions take place at the same rate so that there is no further change in amounts of reactants and products.
- The gain of electrons by a substance.
16 Clues: The loss of electrons by a substance. • The gain of electrons by a substance. • An element replaces a different element in a compound. • The speed at which reactants are used to form products. • A reaction in which reactants combine to form a single product. • A reaction in which parts of two different reactants exchange places. • ...
Chemical Reactions 2018-11-09
Across
- A substance that increases the rate of reaction by lowering the activation energy.
- A change in which the physical properties change but the chemical composition does not change.
- A reaction in which an element or a compound reacts with oxygen to form oxide products.
- The speed at which reactants are used to form products.
- The energy required to break apart the bonds of the reacting molecules.
- The gain of electrons by a substance.
- A reaction in which parts of two different reactants exchange places.
- The loss of electrons by a substance.
- The point at which the forward and reverse reactions take place at the same rate so that there is no further change in amounts of reactants and products.
Down
- When a stress is placed on a system at equilibrium, the reaction shifts to relieve that stress.
- An element replaces a different element in a compound.
- The formation of a new substance with a different composition and properties than the initial substance.
- A reaction that releases heat; the energy of the products is lower than the energy of the reactants.
- A reaction in which reactants combine to form a single product.
- A reaction that requires heat; the energy of the products is higher than the energy of the reactants.
- A reaction in which a single reactant splits into two or more simpler substances.
16 Clues: The gain of electrons by a substance. • The loss of electrons by a substance. • An element replaces a different element in a compound. • The speed at which reactants are used to form products. • A reaction in which reactants combine to form a single product. • A reaction in which parts of two different reactants exchange places. • ...
Scie D 2024-04-03
10 Clues: Total heat content • Earth's solid outer layer • False or unproven science • Discrete quantity of energy • Vibrational synchronization • Organism with a true nucleus • Loss of electrons in a reaction • Equal atmospheric pressure line • Nearly massless subatomic particle • Acceleration of a chemical reaction
Enzymes 2021-10-29
Across
- place on the enzyme where the substrate fits and binds
- what is reduced or lowered by an enzyme to make a chemical reaction go faster
- the number of substrates that each enzyme will bind to due to its specificity
- if too high or too low, this can cause the enzyme to change shape and no longer work
- the characteristic of an enzyme that make it specific to one substrate
- a molecule that helps speed up chemical reactions
Down
- what binds to the enzyme at the start of the reaction
- the monomers that make up enzymes
- what is released from the enzyme at the end of the reaction
- to change shape due to temperature or PH that is too high or too low
- the three letters that end most enzyme names
- the biomolecule category that enzymes belong to
12 Clues: the monomers that make up enzymes • the three letters that end most enzyme names • the biomolecule category that enzymes belong to • a molecule that helps speed up chemical reactions • what binds to the enzyme at the start of the reaction • place on the enzyme where the substrate fits and binds • what is released from the enzyme at the end of the reaction • ...
Science Test Review 2021-12-09
Across
- a new solid is formed
- identifies how many molecules are present
- elements or compounds before a chemical change
- What kind of change occurs when no new substance is formed
Down
- shows what substances are present before and after a chemical reaction
- located in the nucleus and has a positive charge
- shows the number of each type of atom(small number)
- new substances formed after a chemical reaction
8 Clues: a new solid is formed • identifies how many molecules are present • elements or compounds before a chemical change • new substances formed after a chemical reaction • located in the nucleus and has a positive charge • shows the number of each type of atom(small number) • What kind of change occurs when no new substance is formed • ...
Science vocab 2023-03-03
Across
- When two nonmetals react
- Short representation of a chemical element
- Subatomic properties that determines a electromagnetic reaction
- Set of rules that determine the systematic name for a chemical compound
Down
- Lasting attraction that enables the formation of chemical compounds
- When a metal and nonmetal react
- A set of chemical symbols that show what elements are present and their quanttity
- Not easily modified chemically
- Formed when two or more chemical elements are bonded
- Made from two chemical elements
10 Clues: When two nonmetals react • Not easily modified chemically • When a metal and nonmetal react • Made from two chemical elements • Short representation of a chemical element • Formed when two or more chemical elements are bonded • Subatomic properties that determines a electromagnetic reaction • Lasting attraction that enables the formation of chemical compounds • ...
Semester 2 2016-05-18
Across
- units for resistance
- formed by the transfer of electrons
- an element of Group 1
- a circuit with parts connected one after another
- the process of combining nuclei
- a material that does the dissovling
- a wave made on a rope for example
- measured in amps
- a reaction that emits energy
- a horizontal row on the periodic table
- positive subatomic particle
- the change from gas to liquid
- neutral subatomic particle
- formed by the sharing of electrons
- a measure of energy in a wave
- a sound wave for example
- an electron/positron emitted in nuclear decay
- began with the Big Bang and is still expanding
- the highest point of a wave
- the ratio of mass per unit volume
- A + B -> C
- a substance that participates in a chemical reaction
Down
- a circuit created with different branches
- looks the same throughout
- a stable non-reactive group on the periodic table
- a positive He nucleus emitted in nuclear decay
- a charged atom
- A -> B + C
- created from the death of the most massive stars
- tearing paper or painting a wall
- a reaction that takes in energy
- attractive force that holds atoms together
- negative subatomic particle
- a voltage source
- burning, rusting, decomposing for example
- the smallest unit of an element
- a vertical column on the periodic table
- the lowest point of a wave
- different parts are visible
- opposing the flow of current in a circuit
- a substance that forms in a chemical reaction
- a material that will dissolve
- the process of splitting a nucleus
43 Clues: A -> B + C • A + B -> C • a charged atom • a voltage source • measured in amps • units for resistance • an element of Group 1 • a sound wave for example • looks the same throughout • the lowest point of a wave • neutral subatomic particle • negative subatomic particle • positive subatomic particle • different parts are visible • the highest point of a wave • a reaction that emits energy • ...
Enzymes 2014-12-07
Across
- The term used to describe reactions that are spontaneous and involve a release of energy (usually as heat).
- The type of organic macromolecule that most enzymes are.
- The type of metabolism in which smaller molecules are combined to form larger ones.
- The term used to describe reactions that involve an input of energy.
- The substrate concentration when the reaction rate is half maximal velocity.
- Organic cofactors that are usually vitamins or vitamin derivatives.
- A type of inhibition where the active site of an enzyme is blocked or occupied by a molecule other than the substrate.
- The molecule generated in certain biochemical reactions that acts as a chemical store of energy used by cells.
- The highest rate that can be achieved for an enzyme-catalyzed reaction.
- All the chemical reactions occurring within a cell or living organism.
Down
- The official ending of all enzyme names.
- When an enzyme loses its active site it is said to be ______.
- Any substance that has the ability to speed up the rate of a reaction.
- The difference in free energy between the transition state and the substrate.
- The best temperature or pH for a specific enzyme's functioning.
- The model describing a perfect match between the enzyme active site and its substrate.
- The last product of a metabolic pathway.
- The type of metabolism in which larger compounds are broken down to generate smaller ones.
- The atoms or molecules that are the reactants of an enzyme-catalyzed reaction.
- The class of enzymes that catalyzes hydrolysis type reactions.
- The measure of the hydrogen ion concentration of a solution
- The term used to describe an inactive enzyme without its cofactor.
22 Clues: The official ending of all enzyme names. • The last product of a metabolic pathway. • The type of organic macromolecule that most enzymes are. • The measure of the hydrogen ion concentration of a solution • When an enzyme loses its active site it is said to be ______. • The class of enzymes that catalyzes hydrolysis type reactions. • ...
CH. 4 Properties of Matter 2016-01-09
Across
- Mass over volume
- Shorthand expression showing reactants and products of a reaction (2W)
- Result of a chemical reaction
- Energy that is stored (2W)
- A change in form without a change in composition (2W)
- An increase in oxidation number of an atom as a result of losing electrons
- Amount of solute that will dissolve in a specific amount of solvent under certain conditions
- Change producing products that have differnt composition from the reactants (2W)
- How well electricity passes through an object (2W)
- Phases a substance can go through based on the amount of heat energy it contains (3W)
- A commonly used unit of heat energy used with food
- Method of expressing the H+ concentration of a solution
- The Energy of Motion (2W)
- Spontaneous emission of radiation from the nucleus of an atom
- A chemical substance entering into a reaction
- Traits of a substance that give it a unique identity
Down
- How well heat passes through an object (2W)
- When metals are oxidized and turn brownish
- can be stretched into wires
- How something feels
- The characteristics of a substance that can be observed (2W)
- No change is observed in the mass of a substance in a reaction (5W)
- Capacity of matter to do work
- The characteristics of a substance of how it makes new substances(2W)
- Required amount of heat energy to change 1 gram by 1 degree celsius(2W)
- Able to be rolled and hammered into sheets
- Amount of heat needed to change a solid to a liquid (2W)
- Amount of heat needed to turn a liquid to a gas (2W)
- The SI unit of energy
- How shiny a substance is
- How likely something is to burn
31 Clues: Mass over volume • How something feels • The SI unit of energy • How shiny a substance is • The Energy of Motion (2W) • Energy that is stored (2W) • can be stretched into wires • Result of a chemical reaction • Capacity of matter to do work • How likely something is to burn • When metals are oxidized and turn brownish • Able to be rolled and hammered into sheets • ...
1.2 2023-05-21
Across
- sugar a sugar with three carbon atoms
- a polymer consisting of long chains of monosaccharide units joined by glycosidic bonds
- a small molecule that is a single unit of a larger molecule called a polymer
- a long-chain polymer formed of glucose monomers
- a hexose sugar
- a pentose sugar that is part of the structure of DNA
- a very large molecule often formed by polymerisation
- sugars that react with blue Benedict's solution and reduce the copper(II) ions to copper(I) ions giving an orangey-red precipitate
Down
- (RNA) a nucleic acid which is the genetic material in some organisms and is involved in protein synthesis
- sugar sugar with six carbon atoms
- a single sugar monomer
- a long-chain molecule made up of many smaller, repeating monomer units joined together by chemical bonds
- molecules that have the same chemical formula, but different molecular structures
- (DNA) a nucleic acid that is the genetic material in many organisms
- a pentose sugar that is part of the structure of RNA
- a sweet-tasting disaccharide formed by the joining of glucose and fructose by a 1,4-glycosidic bond
- a covalent bond formed between two monosaccharides in a condensation reaction, which can be broken down by a hydrolysis reaction to release the monosaccharide units
- sugar a sugar with five carbon atoms
- a reaction in which a molecule of water is removed from the reacting molecules as a bond is formed between them
- a sugar made up of two monosaccharide units joined by a glycosidic bond, formed in a condensation reaction
- sugars that do not react with Benedict's solution
21 Clues: a hexose sugar • a single sugar monomer • sugar sugar with six carbon atoms • sugar a sugar with five carbon atoms • sugar a sugar with three carbon atoms • a long-chain polymer formed of glucose monomers • sugars that do not react with Benedict's solution • a pentose sugar that is part of the structure of RNA • a pentose sugar that is part of the structure of DNA • ...
Chemistry Paper 2 - Triple Higher 2025-06-08
Across
- small amounts of other substances within the 'main' substance
- Melting and recasting or reforming into different products.
- An absence of oxygen. A process that does not require oxygen.
- When the value of a measurement is close to the true value.
- the sum of all values divided by the total number of values
- a substance that speeds up a reaction by offering an alternative pathway with a lower activation energy.
- is the steepness and direction of a line as read from left to right
- A process to separate a liquid solvent from a mixture and collect it
- A suspension of particles in a liquid formed when a dissolved substance reacts to form an insoluble substance, eg in a precipitation reaction.
- A limited amount of something. It will run out eventually.
- A compound made of only hydrogen and carbon
- An unsaturated hydrocarbon
Down
- Can be replaced at the same rate they are being used up.
- a single element or compound, not mixed with any other substance
- A chemical reaction that gives takes in energy from the surroundings
- a mixture that has been designed as a useful product.
- The number of molecules of a substance in a given volume.
- physical signs, documents, images, etc, suggesting a certain theory is true
- A saturated hydrocarbon
- fine solids or liquid particles suspended in air that are individually invisible to the naked eye
- the process by which green plants and some other organisms use sunlight to create glucose and oxygen from water and CO₂
- A chemical reaction that gives out energy to the surroundings
- With oxygen. Relating to, involving or requiring oxygen.
23 Clues: A saturated hydrocarbon • An unsaturated hydrocarbon • A compound made of only hydrogen and carbon • a mixture that has been designed as a useful product. • Can be replaced at the same rate they are being used up. • With oxygen. Relating to, involving or requiring oxygen. • The number of molecules of a substance in a given volume. • ...
Chemical systems and Equilibrium Crossword 2022-01-27
Across
- yield, amount of product obtained from stoichiometry
- rate, a rate at which products are formed
- gas, an unreactive gas that has no impact on equilibrium
- a substance that has OH ions
- the release of energy
- equilibria, when reactants and products have different states
- yield, the amount of product obtained from a lab
- when a substance is able to dissolve in water
- the formation of a solid compound in a chemical reaction
- law, an equation where k is a constant and the concentration of reactants is used to determine the rate of the reaction
- equilibria, when reactants and products have the same state
- the net charge of an atom due to losing or gaining an electron
- quotient, helps determine the state/position of a reaction
- a state of constant change (never stops)
- the amount of space a subject occupies (L/mL)
Down
- measured in mol/L
- rate, a rate at which reactants are formed
- a substance that can be measured using pH
- rule, a rule used when the concentration of a substance is 1000x greater than Keq
- the absorption of energy
- a substance that speeds up a reaction without itself being included in the reaction
- direction, describes whether a the products or reactants are favored in a reaction
- yield, used to calculate the percentage of which products/reactions are favored
- a table used to differentiate initial change in equilibrium
- the force exerted to compress something such as gas (kPa)
- when products and reactants reach the same rate and are equal
- concentration, the concentration at the beginning of a reaction
- when ions break into separate entities when dissolved in water
- reaction, when products are formed in a reaction but reactants are reformed
- chatelier's principle, when equilibrium is disturbed and the system will counteract the disruption by opposing it
30 Clues: measured in mol/L • the release of energy • the absorption of energy • a substance that has OH ions • a state of constant change (never stops) • a substance that can be measured using pH • rate, a rate at which products are formed • rate, a rate at which reactants are formed • when a substance is able to dissolve in water • the amount of space a subject occupies (L/mL) • ...
Thermo 2 2024-04-08
Across
- mixture with the same liquid and vapor composition
- nicer version of chemical potential, "corrected pressure"
- raising pressure until first liquid drop forms
- lowering pressure until first vapor bubble forms
- ___ coefficient not equal to 1 in non-ideal liquids
- yP = xP(sat) law
- difference between real and ideal property
- present with equality of gibbs energy
- enthalpy of ____ is why you add acid to water
Down
- if a property is part of a mixture it needs a
- a property that contributes to a whole
- tells us how fast a reaction can go
- a mixture with lower melting point than its components
- an ideal gas assumes low __
- extent of reaction, also known as "swiggle"
- solution with all the same intermolecular forces
- isothermal line connecting curves on a phase diagram
- tells us how far a reaction can go
- 2-suffix and 3-suffix nonideal models
19 Clues: yP = xP(sat) law • an ideal gas assumes low __ • tells us how far a reaction can go • tells us how fast a reaction can go • present with equality of gibbs energy • 2-suffix and 3-suffix nonideal models • a property that contributes to a whole • difference between real and ideal property • extent of reaction, also known as "swiggle" • ...
Science Menu Project 2023-03-30
Across
- change in formula
- the reaction to stimuli
- using a hammer to flatten an object
- how hot or cold something is
Down
- shift in color
- change in form
- usually a chemical reaction to mixing
- liquid usually for drinking
- temperature in water getting hot as to boil
- Physical object that can melt
- solid usually used for building houses
- effect of fire
12 Clues: shift in color • change in form • effect of fire • change in formula • the reaction to stimuli • liquid usually for drinking • how hot or cold something is • Physical object that can melt • using a hammer to flatten an object • usually a chemical reaction to mixing • solid usually used for building houses • temperature in water getting hot as to boil
FORENSICS CHAPTER 11 2021-02-04
Across
- red blood cells
- liquid that separates from clotted blood
- classification system for bloody types
- blood type antigens found in other body fluid
- containing antibodies specific for antigens
- white blood cells
Down
- allergic reaction red blood cells clump
- light from chemical reaction
- specific combination of antigens
- fluid portion of blood
- substances capable of causing disease
- study of body fluids
12 Clues: red blood cells • white blood cells • study of body fluids • fluid portion of blood • light from chemical reaction • specific combination of antigens • substances capable of causing disease • classification system for bloody types • allergic reaction red blood cells clump • liquid that separates from clotted blood • containing antibodies specific for antigens • ...
Enzymes 2020-10-16
Across
- Fruit that has the enzyme Bromelain(a protease)
- Where Amylase is located
- Location on the enzyme where the substrate attaches
- Enzyme that breaks down Carbohydrates
- The most acidic location in the human body
- The building blocks of proteins
- The result of an enzymatic reaction
- The chemical and mechanical breakdown of food
- The substance that the enzyme acts upon
- Reusable and substrate specific item that speeds up reaction rates
- Enzyme that breaks down Fats/Lipids
Down
- Enzyme that breaks down Proteins
- Fruit that has the enzyme Papain(a protease)
- Green fluid produced by the liver for digestion of fats/lipids
- Enzyme in the stomach that breaks down proteins
- Initial amount of power needed to start a reaction (this is what an enzyme lowers to speed up reactions)
- Where Bile is stored
- Enzyme used to break down lactose(sugar in dairy products)
- The ending of most enzymes
19 Clues: Where Bile is stored • Where Amylase is located • The ending of most enzymes • The building blocks of proteins • Enzyme that breaks down Proteins • The result of an enzymatic reaction • Enzyme that breaks down Fats/Lipids • Enzyme that breaks down Carbohydrates • The substance that the enzyme acts upon • The most acidic location in the human body • ...
Rob's Quarterly Review 2022-03-22
Across
- acid-A molecule or other entity that can donate a proton or accept an electron pair in reaction
- a substance that is formed as the result of a chemical reaction
- diverse in character or content
- A substance that enters into and is altered in the course of a chemical reaction
- group of atoms combineded together
- two or more substances are combined
- the substance that dissolves in a solvent to produce a homogeneous mixture
- mass- the quantity of matter contained in an atom of an element
- dissolve to form a solution
Down
- mixture in which the composition is uniform throughout the mixture
- relatively large quantity of substance present in a unit amount of a mixture
- metal made by combining two or more metallic elements, especially to give greater strength or resistance to corrosion
- addition of solvent, which decreases the concentration of the solute in the solution
- - the Ability to be dissolved especially in water
- substance that can neutralize the acid by reacting with hydrogen ions
15 Clues: dissolve to form a solution • diverse in character or content • group of atoms combineded together • two or more substances are combined • - the Ability to be dissolved especially in water • a substance that is formed as the result of a chemical reaction • mass- the quantity of matter contained in an atom of an element • ...
CHEMISTRY PUZZLE 2018-12-03
Across
- have the general formula CnH2n+1COOH.
- -OH
- burns in air or oxygen with a clean blue flame to form carbon dioxide and water steam.
- chemical reaction in which carbohydrates are converted into ethanol by yeast under anaerobic conditions.
- another word for condensation reaction.
- reaction which makes an ester.
- forms the salt of an alkanoic acid and an alcohol.
- Alcohols molecules are_______.
- -COO-
Down
- have the general formula CnH2n+1OH
- is the process by which soap is made by the alkaline hydrolysis of animal fats or vegetable oils.
- are produced from petroleum.
- -COOH.
- forms an alkanoic acid and an alcohol.
- is a compound formed when an alkanoic acid reacts with an alcohol.
15 Clues: -OH • -COO- • -COOH. • are produced from petroleum. • reaction which makes an ester. • Alcohols molecules are_______. • have the general formula CnH2n+1OH • have the general formula CnH2n+1COOH. • forms an alkanoic acid and an alcohol. • another word for condensation reaction. • forms the salt of an alkanoic acid and an alcohol. • ...
CH7 2025-01-24
Across
- any substance usually a liquid, dissolves the solute
- atom or molecule that has a electrical charge
- subtraction of oxygen and adds hydrogen
- solution that have Ph below 7
- change in the chemical composition of substance
- Change in form of substance without new substance formed
- stable mixture of 2 or more mixable substances
- the addition of oxygen or loss of hydrogen
- compounds of any element combined with oxygen
Down
- simplest form of chemical matter, contains 1 atom
- 2 or more atoms joined chemically
- solid particles are distributed throughout a liquid medium
- compounds that are formed by reaction of acids and bases
- relative degree of acidity or alkalinity of substance
- chemical agent used to deposit protein or moisturizes hair
- basic building block of all matter, small;lest particle
- term used for an oxidation reduction
17 Clues: solution that have Ph below 7 • 2 or more atoms joined chemically • term used for an oxidation reduction • subtraction of oxygen and adds hydrogen • the addition of oxygen or loss of hydrogen • atom or molecule that has a electrical charge • compounds of any element combined with oxygen • stable mixture of 2 or more mixable substances • ...
CHAPTER 2: BASIC CHEMISTRY KEYTERMS 2024-09-13
Across
- reaction involving breakage of one or more chemical bonds by water molecules (pg 42)
- substance that has a better and slipper when dissolved in water (pg 39)
- polymers of simple sugar,linked by dehydration synthesis (pg 43)
- the tendency of atom of an element to attract shared electrons(pg 34)
- substances reacting in a chemical reaction (pg 35)
- these are large covalently bonded molecules that contain carbon (pg 38)
- provide mechanical support and tensile strength to the body's tissues (pg 50)
- building block of polymer (pg 42)
- Subatomic particle with a negative charge (pg 25)
- substance that increases and maintain the rate of a reaction and remain unchanged during the reaction (pg 51)
- subatomic particle with a positive charge (pg 25)
- also called natural fats, these are made up of fatty acid and glycerol (pg 45)
- total amount of energy that an electron has (pg 31)
- acts as an acid and can act a base to prevent swings in blood pH. (pg 51)
- acids that do not dissociate completely in water (pg 41)
- chain-like molecules made up of many monomer (pg 42)
- homogenous mixtures that do not settle out and do not scatter light (pg 29)
- energy in motion (pg 24)
- molecule derived from fatty acids that make up cell membrane (pg 47)
- a substance made up of only one type of atom (pg 25)
- this is the sharing of electrons to satisfy the outer shell of an atom. (pg 32)
- Decomposition of heavy isotopes into a stable form (pg 28)
- this is the amount of energy needed to break the bonds of a reactant (pg 52)
Down
- this is formed from the bonding of DNA bases (pg 54)
- two or more physically combined substances (pg 29)
- acid that dissociate completely and irreversibly in water (pg 41)
- to destroy the characteristics properties of a protein. (pg 50)
- Anything that has mass and take up space (pg 24)
- combination of two or more chemically bonded atoms (pg 28)
- a metabolic state with high levels of ketone bodies in the blood or urine. (pg 60)
- these are chemical compounds found in the body that does not contain carbon (pg 38)
- this is the study of the chemical components and reactions of living matter (pg 38)
- the number of protons in the nucleus of an atom (pg 27)
- inactive energy that has capability to do work (pg 24)
- this is a sugar that contain carbon,it takes part in forming the backbone of the DNA polymer. (pg 55)
- chemical bonds between atoms formed when one or more electrons from one atom is transferred to another (pg 32)
- composed of the largest molecules in the body;oxygen,phosphorus,carbon,hydrogen,nitrogen (53)
- mixture with large particles that settle out. (pg 30)
- a substance that an enzyme depends on (pg 52)
- a substance that react with Hydrogen ions when dissolved in water (pg 39)
- chemical substance made of many identical molecules composed of two or more different kinds of elements (pg 28)
- the structure formed by double stranded molecules (pg 54)
- the ability to do work (pg 24)
- elements with the same number of protons but different number of neutrons (pg 27)
- subatomic particle with a neutral charge (pg 25)
- the smallest particle of an element (pg 28)
- Movement of energy in form of wave (pg 24)
- a mixture containing medium size dispersed particles, mixture is also translucent (pg 29)
- A substance that speeds up the rate of a chemical reaction (pg 51)
- provides elasticity of skeletal muscles (pg 51)
- charged particle formed when an exact balance of + and - charges are lost (pg 32)
51 Clues: energy in motion (pg 24) • the ability to do work (pg 24) • building block of polymer (pg 42) • Movement of energy in form of wave (pg 24) • the smallest particle of an element (pg 28) • a substance that an enzyme depends on (pg 52) • provides elasticity of skeletal muscles (pg 51) • Anything that has mass and take up space (pg 24) • ...
Types of Reactions 2024-06-06
Across
- A reaction where two elements combine together to form one new compound.
- The number of atoms of oxygen in H2SO4
- A type of compound where charges must be dropped and swapped between cation and anion
- The number of atoms of one element in the reactants must be _______ to the number of atoms of that element in the products.
- The coeffient you need in from of hydrogen to balance the reaction ___N2 + ____H2 ----> ___NH3 (all numbers are subscripts)
- The number of atoms of oxygen in H2O
- A type of compound between two nonmetals where electrons are shared
- The number of total Nitrogen atoms in the two reactant molecule: (NH4)3(PO4) + Pb(NO3)4 (all numbers are subscripts)
- The compounds on the left side of a reaction that are used up in the reaction
Down
- A reaction that requires an input of energy to get started, and always produces carbon dioxide and water.
- The compounds formed during a chemical reaction
- A reaction where an element takes the place of a metal cation in a compound
- The coefficient required in front of Lithium on the product side to balance the equation: ___BF3 + ___Li2S ---> ___B2S3 + ___LiF
- A reaction where one molecule gets broken apart into the elements it is made of.
- Atoms of oxygen in the formula Ba3(PO4)2 (all numbers are subscripts)
- A reaction where the metal cations in two compounds swap places to form two new compounds.
16 Clues: The number of atoms of oxygen in H2O • The number of atoms of oxygen in H2SO4 • The compounds formed during a chemical reaction • A type of compound between two nonmetals where electrons are shared • Atoms of oxygen in the formula Ba3(PO4)2 (all numbers are subscripts) • A reaction where two elements combine together to form one new compound. • ...
Science Test Review 2021-12-09
Across
- a new solid is formed
- identifies how many molecules are present
- elements or compounds before a chemical change
- What kind of change occurs when no new substance is formed
Down
- shows what substances are present before and after a chemical reaction
- located in the nucleus and has a positive charge
- shows the number of each type of atom(small number)
- new substances formed after a chemical reaction
8 Clues: a new solid is formed • identifies how many molecules are present • elements or compounds before a chemical change • new substances formed after a chemical reaction • located in the nucleus and has a positive charge • shows the number of each type of atom(small number) • What kind of change occurs when no new substance is formed • ...
Unit 9 review 2022-11-14
Across
- Some metals produce this gas when exposed to acid
- The act of keeping matter (law of)
- Type of change that is related to reactions
Down
- What is made after a chemical reaction
- The substances you start with in a chemical reaction
- Type of change that includes change of state of mater
- Carbonates produce this dioxide gas when exposed to acid
- How a compound is held together
8 Clues: How a compound is held together • The act of keeping matter (law of) • What is made after a chemical reaction • Type of change that is related to reactions • Some metals produce this gas when exposed to acid • The substances you start with in a chemical reaction • Type of change that includes change of state of mater • ...
CH. 4 Properties of Matter 2016-01-09
Across
- A commonly used unit of heat energy used with food
- The characteristics of a substance of how it makes new substances(2W)
- A change in form without a change in composition (2W)
- Spontaneous emission of radiation from the nucleus of an atom
- Shorthand expression showing reactants and products of a reaction (2W)
- Amount of heat needed to turn a liquid to a gas (2W)
- How shiny a substance is
- No change is observed in the mass of a substance in a reaction (5W)
- Traits of a substance that give it a unique identity
- Amount of solute that will dissolve in a specific amount of solvent under certain conditions
- Energy that is stored (2W)
- How well heat passes through an object (2W)
- How likely something is to burn
- Amount of heat needed to change a solid to a liquid (2W)
- How something feels
- A chemical substance entering into a reaction
- Mass over volume
Down
- How well electricity passes through an object (2W)
- Method of expressing the H+ concentration of a solution
- The characteristics of a substance that can be observed (2W)
- Result of a chemical reaction
- Phases a substance can go through based on the amount of heat energy it contains (3W)
- Able to be rolled and hammered into sheets
- Capacity of matter to do work
- Change producing products that have differnt composition from the reactants (2W)
- can be stretched into wires
- The Energy of Motion (2W)
- Required amount of heat energy to change 1 gram by 1 degree celsius(2W)
- The SI unit of energy
- An increase in oxidation number of an atom as a result of losing electrons
- When metals are oxidized and turn brownish
31 Clues: Mass over volume • How something feels • The SI unit of energy • How shiny a substance is • The Energy of Motion (2W) • Energy that is stored (2W) • can be stretched into wires • Result of a chemical reaction • Capacity of matter to do work • How likely something is to burn • Able to be rolled and hammered into sheets • When metals are oxidized and turn brownish • ...
Biological Macromolecules 2024-11-12
Across
- Protein that helps nascent protein in the folding process
- Single unit or monomer of carbohydrates
- structure Association of discrete polypeptide subunits
- Reaction that causes breakdown of larger molecules
- Storage carbohydrate in animals
- Type of carbohydrate that forms the outer skeleton of arthropods
- Process through which messenger RNA forms
- RNA that carries activated amino acids
- bond Bond formed by a dehydration reaction between two monosaccharides
- RNA that carries information from DNA to ribosomes
- Secondary structure in proteins
- Long chain of amino acids
- acid Biological macromolecule that carries genetic blueprint
- bond Bond formed between two amino acids
- acid A protein's monomer
- fatty acid Long-chain hydrocarbon with one or more double bonds
- Type of nitrogenous base
- Macromolecule that is nonpolar and insoluble in water
- Lipid comprised of a long-chain fatty acid
- Chain of monomer residues
- RNA that ensures proper alignment of mRNA and ribosomes
- Monomer of nucleic acids
Down
- Membranes' major constituent
- Polysaccharide that comprises plants' cell wall
- macromolecule Large molecule necessary for life
- synthesis Reaction that links monomer molecules
- synthesis Reaction that links monomer molecules
- Long chain of nucleotides
- Type of lipid comprised of four fused hydrocarbon rings
- fatty acid Long-chain hydrocarbon with single covalent bonds
- Chemical signaling molecule
- Type of nitrogenous base
- structure A protein's three-dimensional conformation
- Long chain of monosaccharides
- Catalyst in a biochemical reaction
- Loss of shape in a protein
- Linkage covalent chemical bond
- Storage carbohydrate in plants
- fat Fat formed artificially by hydrogenating oils
- Type of secondary protein structure
- fat Type of polyunsaturated fat
41 Clues: Type of nitrogenous base • acid A protein's monomer • Type of nitrogenous base • Monomer of nucleic acids • Long chain of nucleotides • Long chain of amino acids • Chain of monomer residues • Loss of shape in a protein • Chemical signaling molecule • Membranes' major constituent • Long chain of monosaccharides • Linkage covalent chemical bond • Storage carbohydrate in plants • ...
Ridgely grabarczyk 2021-12-01
Across
- reaction there is a net absorption of energy.
- AB + C → AC + B
- AB + CD → AD + CB
- No atoms are gained or lost during any reaction.
Down
- a+ B → AB
- AB + oxygen → oxides of A & B
- To reflect this fact, the chemical equation must be.
- AB→ A + B
- reaction there is a net release of energy.
- Bond Energy is also known as
10 Clues: a+ B → AB • AB→ A + B • AB + C → AC + B • AB + CD → AD + CB • Bond Energy is also known as • AB + oxygen → oxides of A & B • reaction there is a net release of energy. • reaction there is a net absorption of energy. • No atoms are gained or lost during any reaction. • To reflect this fact, the chemical equation must be.
Balancing Equations 2024-01-02
Across
- the amount of a substance
- the last step of balancing equations.
- the number after an element
- law of ____ of mass
- the "ingredients" of a reaction.
- coefficent and subscript ____ in order to count the number of moles.
Down
- the result of a reaction
- instead of an equal sign
- the number in front of a chemical symbol
- symbolic representation of a reaction
10 Clues: law of ____ of mass • the result of a reaction • instead of an equal sign • the amount of a substance • the number after an element • the "ingredients" of a reaction. • the last step of balancing equations. • symbolic representation of a reaction • the number in front of a chemical symbol • coefficent and subscript ____ in order to count the number of moles.
Chemistry Crossword 2023 2023-04-21
Across
- _____ rule for number of bonds common elements make
- a "water loving" molecule
- this type of reaction takes place when an acid and base are mixed
- a process that involves finding the molarity of an acid or base
- compound formed between metals and nonmetals
- this type of IMFA explains water's strong surface tension
- energy caused by motion of particles
- formula of the lowest ratio of elements combined in a compound
- a type of bond that forms among nonmetals only
- a chemical that changes color according to change in pH
- a measurement of the concentration of a solution
- when disrupted this solution will produce crystals
- water is known as a universal ____________
- the number in front of each chemical in balanced equation
- a type of acid that conducts electricity best
- measurement of a liquid's thickness
Down
- the loss of electrons
- a substance that gets hot fast and cold fast
- a chemical that turns litmus paper red
- a measurement of H+ ions in a solution
- a measurement used in chemistry describe the quantity of atoms or molecules
- these types of molecules don't mix well with water
- watering down a solution
- a H+ ion is also called this
- phase of a substance dissolved in water
- the force exerted by gas when colliding with a surface
- a process that involves absorbing energy into a system
- a chemical reaction that involves burning a substance
- electrons in the outermost shell
- the type of IMFA that occurs among all molecules
30 Clues: the loss of electrons • watering down a solution • a "water loving" molecule • a H+ ion is also called this • electrons in the outermost shell • measurement of a liquid's thickness • energy caused by motion of particles • a chemical that turns litmus paper red • a measurement of H+ ions in a solution • phase of a substance dissolved in water • ...
Vocabulary Set #9 2014-12-11
Across
- An electron pair in the outermost shell of an atom that is not shared
- a chemical formula that shows how the atoms and bonds in a molecule are arranged
- Chemical link between two atoms in which electrons are shared between them
- Set of rules to generate systematic names for chemical compound
- Three electron pairs in which are shared between two bonded atoms
- Two or more substances that are composed of the same elements in the same proportions but differ in properties
Down
- Mass and charge are balanced on both sides of a reaction
- Bond where two electron pairs are shared between two atoms
- Concentrations of reactants and products are in an unchanging ratio
- In a chemical reaction matter is neither gained or lost
10 Clues: In a chemical reaction matter is neither gained or lost • Mass and charge are balanced on both sides of a reaction • Bond where two electron pairs are shared between two atoms • Set of rules to generate systematic names for chemical compound • Three electron pairs in which are shared between two bonded atoms • ...
11.3 app 2018-08-07
Across
- acids always donate what ion? (write charge out)
- molecule When hydroxide ions collide w/ hydronium ions, it yields what kind of molecule? (give full name)
- bases always donate what ion? (include charge symbol)
- The net ionic equation is helpful to understand _____________ reaction equations
- To neutralize an acid spill, you pour a _____ solution onto it
- Sodium hydroxide and nitric acid react to yield ___and_____ (give chemical formulas)
- A neutral ionic compound is called?
- The reactants are dissolving in water, so their state of matter is called _______
- What is the symbol for salt in a neutralization reaction equation?
Down
- In neutralization reactions, the remaining spectator ions' role was delivering ions to the ________
- When carbonic acid is a product, what compounds must you list it as? (give full name)
- Acids and bases react in aqueous solutions to produce? (give full common names)
- When an acid and ionic compound w/ carbonate react, the products are ___and___ (give chemical formulas)
- MOH is the symbol for _____ w/ hydroxide ions?
- When writing neutralization reaction equations, HX is the symbol for _____ w/ hydrogen ions?
15 Clues: A neutral ionic compound is called? • MOH is the symbol for _____ w/ hydroxide ions? • acids always donate what ion? (write charge out) • bases always donate what ion? (include charge symbol) • To neutralize an acid spill, you pour a _____ solution onto it • What is the symbol for salt in a neutralization reaction equation? • ...
MSDS 2023-09-12
Across
- Where the manufacturing companies name and phone number can be located
- Entered through the skin
- Material Safety Data sheet
- Able to be dissolved especially in water
- long term effects
- personal protection equipment
- What it smells like
- Covers the chemicals physical and chemical characteristics
- an immediate reaction
- The temperature at which a solid turns to liquid
- Hazardous Ingredients and Identity information
Down
- A good reason you may need the MSDS
- Swallowed or drank
- the temperature at which a liquid turns to vapor
- occupational health and safety administration
- The lowest temperature at which a substance will ignite
- A compound or substance that has been purified or prepared, especially artificially
- The result when one chemical is combined with another
- Entered the body through the nose
- the reason employers provide employees with MSDS
20 Clues: long term effects • Swallowed or drank • What it smells like • an immediate reaction • Entered through the skin • Material Safety Data sheet • personal protection equipment • Entered the body through the nose • A good reason you may need the MSDS • Able to be dissolved especially in water • occupational health and safety administration • ...
