Chemistry, 26.10.2020 20:40, axiabarbie
The Atomic Mass - (minus) The Atomic Number tells you the number of protons in an element
If an element is an ion, it has more or less neutrons than usual.
Elements in the same vertical column are called Periods.
The 3 groups of the periodic table are metals, non-metals, and gases.
TRUE OR FALSE plzz helppp!!
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The Atomic Mass - (minus) The Atomic Number tells you the number of protons in an element
If an ele...
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