Term Definition
protons positive charge
malleable can be crushed without any wrinkles
atomic number number of protons or neutrons in the element
density amount of of volume
metalloids metal or nonmetal
electrons negative charge
metal have luster
luster shine
neutrons negative charge
chemical symbol first letter of the element or abbreviation
ductile can be drawn into a thin wire
corrosive rusting
atomic mass how much the element weights
atomic theory the study of the atoms

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