Question

exam 1: atomic theory/structure
silicon - 30 contains 14 protons. how many electrons does si - 30 have?
0
30
44
14

Explanation:

Step1: Recall atomic charge - neutrality

In a neutral atom, number of protons = number of electrons.

Step2: Identify proton number

Silicon - 30 has 14 protons.

Answer:

D. 14