Atomic mass
Symbols
Atomic number
Reactive nonmetals
100

What element has the atomic mass of 9.0122

Beryllium

100

What element has the symbol H

Hydrogen

100

What element has the atomic number 53

Iodine

100

What element has the atomic mass of 1.0078 

Hydrogen

200

What element has an atomic mass of 24.305

Magnesium

200

What element has the symbol B

Boron

200

What element has the atomic number 103

Lawrencium

200

What element has the atomic mass of 32.065

Sulfur

300

What element has the atomic mass of 87.620

Strontium

300

What element has the symbol Xe

Xenon

300

What element has the atomic number 109

Meitnerium

300

What element has the atomic mass of 78.960

Selenium

400

What element has the atomic mass of 222

Radon

400

What element has the symbol Mt

Meitnerium

400

What element has the atomic number 117

Tennessine

400

What element has the atomic mass of 79.904

Bromine

500

What element has the atomic mass of 226

Radium

500

What element has the symbol C₁₂H₂₂O₁₁

sugar

500

What element has the atomic number 118

Oganesson

500

What element has the atomic mass of 126.90

Iodine