symbols of elements
Atomic number
Atomic mass
How many shells
400

The symbol of Iron

What is Fe

400

What is the atomic number for Fermium

What is 100

400

What is the atomic mass of Boron

What is 10.81/11

400

How many shells does Gold have

What is 6

400

The symbol of Iodine

What is I

400

What is the atomic number for Iron

 What is 26

400

What is the atomic mass of Oganesson

What is 294

400

How many shells does Sodium have

what is 3

450

The symbol of Oganesson

What is Og

450

What is the atomic number for Iridium

What is 77

450

What is the atomic mass of Iron

What is 55.845/56

450

How many shells does Iron have

What is 4

500

The symbol of Moscovium

What is Mc

500

What is the atomic number for Cobalt

What is 27

500

What is the atomic mass of cobalt

What is 58.933/59

500

How many shells does Boron have

What is 2

500

The symbol of Zinc

What is Zn

500

What is the atomic number for Sulfur

What is 16

500

What is the atomic mass of Oxygen

What is 15.999/16

500

How many shells does Helium have

What is 1

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