Atomic #
Symbol
Average Atomic Mass
Categories
More Categories
100

What is Hydrogen's Atomic #

1

100

What Element's symbol is Au

gold

100

What Element's Atomic Mass is 195.1

Platinum

100

What Category is red?

Non Metals

100

What Category is yellow

Alkali Metals

200

What is Helium's Atomic #

2

200

What Element's symbol is Ag

silver

200

What Element's Atomic Mass is 262

Lawrencium

200

What Category is blue

Halogens

200

What Category is light orange

Alkaline earth metals

300

What is Lithium's Atomic #

3

300

What Element's symbol is Y

yttrium

300

What Element's Atomic Mass is 226

Radium

300

What Category is purple 

Noble Gases

300

What Category is dark blue

transition metals

400

What is Beryllium's Atomic #

4

400

What Element's symbol is Pu

Plutonium

400

What Element's Atomic Mass is 190.2

Osmium

400

What Category is orange

Lanthanides

400

What Category is dark grey

other metals

500

What is Boron's Atomic #

5

500

What Element's symbol is Lv

Livermorium

500

What Element's Atomic Mass is 173

Ytterbium

500

What Category is green

Actinides

500

What Category is light grey

metalloids