Show:
elements
valence electrons
neutrons
anion or cation
Atomic number
100

3 protons

lithium

100

hydrogen

1

100

helium

2

100

Na

cation

100

Li

3

200

Ca

Calcium

200

oxygen

6

200

Si

14

200

fluorine

anion

200

Magnesium

12

300

Fe

iron

300

Nitrogen

5

300

Mg

12

300

beryllium

cation

300

calcium

20

400

Group 1, Period 3

magnesium

400

P

5

400

B

6

400

S

anion

400
Iron

26

500

19 protons

Potassium

500

krypton

8

500

Bromine

45

500

Argon

noble gas

500

Gold

79