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Periodic Table
Question | Answer |
---|---|
Valence Shell | Outermost shell of an atom |
Atomic Mass | Number of protons plus the number of neutrons |
Conductivity | Ability for heat or electricity to flow through it |
Neutron | Part of an atom with a neutral charge |
Electron | Part of an atom with a negative charge |
Malleable | Able to be flattened out |
Ductile | Able to be stretched without breaking; not brittle |
Proton | Part of an atom with a positive charge |
Luster | Ability to reflect light |
Reactive | Causes a chemical reaction and releases energy |
Family/Group | Also called group; columns on the periodic table (go up and down); Elements in a group have the same number of electrons in the outer level |
Period | Rows on the periodic table (side to side); Each row represents the number of energy levels |