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22 Cards in this Set
- Front
- Back
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Maddie |
Lang |
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Actinide |
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 |
The basic building block of most of the matter around us; the smallest particle of an element that has all the properties of that element. |
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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 atoms 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 the nucleus of an atom. |
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Element |
One of the basic substances that combine to form all other substances; a substance that cannot be broken down into simpler substances by ordinary chemical means. |
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Group |
A vertical column in the periodic table; also called a chemical family. |
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Metal |
An element that conducts heat and electricity well, is shiny, and can be hammered into sheets or drawn into wires. |
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Matter |
Anything that takes up space |
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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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Nonmetal |
An element that does not conduct heat or electricity well and is dull and brittle or gaseous. |
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Nucleus |
The center of an atom, containing protons and neutrons; a large structure in a cell that controls many of its functions and contains its genetic material. |
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Periodic Table |
A chart that organizes information all about all the known elements according to their properties. |
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Halogens Family |
The elements in Group 17 of the periodic table. |
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Lanthanides |
An element in the first row of the rare earth elements in the periodic table. |
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Nobel Gases |
An element in Group 18 of the periodic table. |
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Period |
A horizontal row of elements in the periodic table. |
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Proton |
A small, positively charged particle in the nucleus of the atom. |
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Transition Metal |
An element in group 3 through 12 of the periodic table. |
