Ion Math Practice
Ion Math Practice Use this activity to help you prepare for your summative. Be sure to check your score when done! Name Symbol Atomic # Atomic Mass Mass Rounded Protons Neutrons Electrons Lithium Li 3 6.94 7 3 4 3 Carbon C 6 12.01 12 6 6 6 Flourine F 9 18.998 19 9 10 9 Oxygen O 8 15.999 15 8 8 8 Calcium Ca 20 40.078 40 20 20 20 Boron B 5 10.81 11 5 6 5 Sodium NA 11 22.99 23 11 12 11