ANSWER:
A proton has a "positive charge" and is found in the nucleus.
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Electrons fill the electron orbitals (s, p, d, or f) starting from the lowest energy level going to the highest energy level.
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Answer:
1 : 2 ratio
Explanation:
Chlorine has a coefficient of 1, and sodium chloride has a coefficient of 2.
In pb (no3)2 there is:
Lead- 1 atom
Oxygen- 6 atoms
Nitrogen- 2
9 atoms in all