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25 Cards in this Set
- Front
- Back
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Reece |
Slaydon |
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Actinides |
An element in the second row of the rare earth elements in the periodic table.
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Alkali metal |
An element in group 1 of the periodic table.
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Atom |
Are the basic building blocks of most of the matter around you. |
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Atomic mass |
A measure of an atom's mass that is equal to the number of protons and neutrons in the atom's nucleus. |
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Atomic number |
The number of protons in an atom's nucleus. |
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Compound |
A pure substance that forms when two or more elements join chemically in a fixed proportion. |
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Electron |
A negatively charged subatomic particle that is located outside of the nucleus of an atom.
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Element |
An element is one of the basic substances that combine to form all other substances. |
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Group |
A vertical column in the periodic table. Also called a chemical family. |
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Halogens Family |
The elements in group 17 of the periodic table.
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Lanthanide |
An element in the first row of the rare earth elements in the periodic table.
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nucleus |
The center of an atom contain protons and neutrons. |
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Nonmetal |
An element that does not conduct heat or electricity. |
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Matter |
physical substance in general, as distinct from mind and spirit |
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Metal |
An element that conducts heat and electricity well. |
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Metalloid |
An element that has some properties of both metals and nonmetals. |
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Neutron |
A particle with no charge, found in the nucleus of an atom. |
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Nobel gases |
An element in group 18 of the periodic table. |
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Nonmetal |
An element that does not conduct heat and electricity well and is dull and brittle or gaseous. |
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Nucleus |
The center of an atom contains protons and neutrons. |
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Period |
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Periodic Table |
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Proton |
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Transition Metal |
t |
