How many protons and how many electrons in each of the following elements?

a) C

b) Fe

c) Hg

d) U

Answers

a) C has 6 protons and 6 electrons.

b) Fe has 26 protons and 26 electrons.

c) Hg has 80 protons and 80 electrons.

d) U has 92 protons and 92 electrons.