Home » Chemistry » Page 30

Chemistry

What are the 7 valence electrons?

Valence electrons play an important role in the chemical behavior of an atom. They are the number of electrons present in the outermost shell of an atom, and are essential...

What is the 8 valence electron rule?

The 8 valence electron rule, also known as the octet rule, is a fundamental concept in chemistry that explains the behavior of atoms and their tendency to form stable compounds....

Why is it a mass number?

Mass number is an important concept in chemistry, as it helps to identify the number of protons and neutrons in an atom or molecule. The mass number is written as...