ch 2 part 2 vocabulary

Question 1

electron shell

Answer 1

the outside part of an atom around the atomic nucleus

Question 2

vacancies

vay cn cy

va can cy

Answer 2

the state or condition of being vacant or unoccupied; emptiness

Question 3

successive shell

Answer 3

being farther from the nucleus.

Question 4

chemical bond

Answer 4

hold molecules together and create temporary connections that are essential to life

Question 5

valence

Answer 5