3 years ago

PLEASE HELPWhat do you know about valence electrons?

2 answers:

6 0

Answer:

Valence electrons are the electrons in the outermost shell, or energy level, of an atom. For example, oxygen has six valence electrons, two in the 2s subshell and four in the 2p subshell. We can write the configuration of oxygen's valence electrons as 2s²2p⁴

k0ka [10]3 years ago

4 0

Answer:

Valence electrons are the electrons in the outermost shell, or energy level, of an atom

Explanation:

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Andrew [12]

Answer:

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When a Na atom loses an electron to a Cl atom, the two atoms have opposite charges and are attracted to one another. What is the

ahrayia [7]

Answer:

Ionic bond

Explanation:

When Na loses an electron, it becomes positive ion.

When Cl gains an electron, it becomes negative ion.

The electrostatic attraction between these ions is an ionic bond.