Atomic symbol
Atomic Number
Number of Protons
Number of neutrons
Number of Electrons
100

Calsium

Ca

100

Zinc

30


100

Fluorine

9

100

Nitrogen

7

100

Fluorine 

9

200

Potassium

K

200

Chlorine

17

200

Neon

10

200

Titanium 

26

200

Neon

10

300

Krypton

Kr


300

Xenon

54

300

Iodine

53

300

Sulfur

16

300

Iodine

53

400

Palladium

Pd

400

Radium

88

400

Platinum

78

400

Mercury 

120

400

Platinum 

78

500

Tungsten

W

500

Oxygen

8

500

Gold

79

500

Arsenic 

42

500

Gold 

79

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