Answer:
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Explanation:
One second after the Big Bang, the universe was filled with neutrons, protons, electrons, anti-electrons, photons and neutrinos.Jun 17, 2017
Answer:
Covalent, or, elements on the right side of the ladder (on the periodic table). Covalent compounds satisfy the octet rule by sharing electrons.
<span>A full valence electron shell.</span>
The rows are the one line of elements that goes from left to right horizontally. A column is a line of elements that goes vertically.
