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Micaela Wilkinson ∙
A covalent bond between 2 atoms where each atom contributes 3 electrons
Apex :3
the period number tells which is the highest energy level occupied by the electrons
Helium has the highest first ionization energy and francium has the lowest first ionization energy.
question: which of the following elements is the smallest?
answer: chlorine (CI)
A chemical bond holds atoms together