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22 Cards in this Set
- Front
- Back
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Atom
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The smallest element of life. They are made up of protons, electrons and neutrons.
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Molecules
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The smallest amount that still has all the properties of the substance
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Compounds
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More than one element
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Diatomic
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Consisting of two elements
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Ion
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Group of atoms that either has a positive or negative charge due to having lost or gaining an electron
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Element
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Pure substance that cannot be broken down further. It is made up of only one type of atom
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Isotope
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Element with a different amount of neutrons
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Chemical bonds
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Force of attraction when atoms are together, resulting in a transfer of electrons
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Polar
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Having an equal and opposite charge or known to have molecules that do
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pH scale
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Measure of the acidity of basicity of a solution
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Macromolecule
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An extra large molecule
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Enzyme
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Chemical in an organism that helps it to cause a natural process
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Catalyst
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Something that causes a chemical reaction to happen more quickly than it would normally happen
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Acid
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A chemical that, when mixed with a base, makes salt. It also has a pH of less than seven.
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Matter
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It has volume and mass. It includes both elements and compounds
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Chemical change
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When a substance combines with another to form a new substance
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Physical change
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The separation of mixtures into their component compounds
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Organic
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Made from living organisms
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Inorganic
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Made from nonliving things
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Base
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A chemical that, when mixed with an acid, makes salt. It has a pH of more than seven.
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Solution
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When a solid, liquid or gas substance is mixed with a liquid, gas or solid.
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Mixture
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Two or more substances together.
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