Atomic numbers
Atomic mass
Symbol
Atomic name
100

Atomic number for oxygen

what is 8

100

Beryllium

what is 9.012

100

Mercury

What is hg

100

N

Nitrogen

200

atomic number of carbon

what is 6

200

Germanium

what is 72.64

200

Silicon

what is SI

200

88

what is Radium

300

Atomic number of helium

what is 2

300

Magnesium

what is 24.305

300

Neon

what is NE

300

PO

Polonium

400

atomic number of Meitnerium

what is 109

400

Sulfur

what is 32.065

400

Hassium

what is HS

400

62

What is Samarium

500

atomic number of Oganesson

what is 118

500

Moscovium

what is 289

500

Arsenic

what is AS

500

103

what is Lawrencium