atomic mass
atomic number
metals
non-metals
metalloids
100

6.941 is the atomic mass of this element

What is Lithium?

100

this is the atomic number for Tellurium

what is 52

100

this element is the best thermal conductor of any metal.

what is silver

100

this element is the fourth most abundant element in the universe

what is carbon

100

this element is an essential nutrient for all green plants.

what is boron

200

1.00797 is the atomic mass of this element

what is Hydrogen?

200

83 is the atomic number for this element

what is Bismuth

200

this element is one of the densest of all metals.

what is gold

200

this element makes up around 10% of the human body by mass.

what is hydrogen

200

this element is a lustrous, hard, gray-white semi-metallic element with a crystalline and brittle structure

what is germanium

300

138.9055 is the atomic mass of this element

what is Lanthanum?

300

Uranium's atomic number is

what is 92

300

this element is the main component of meteorites.

what is iron

300

this element is a component of bones, teeth, DNA, and RNA

what is phosphorus

300

this element was named after the Greek words anti and monos to mean “a metal not found alone.” 

what is antimony

400

208.9804 is the atomic mass of this element

what is Bismuth 

400

this is Bohrium's atomic number 

what is 107

400

this element is an instrumental metal, but it is also toxic to humans

what is lead

400

The atmosphere contains an estimated 4,000 trillion tons of this element

what is nitrogen

400

this element is a very rare natural element

what is polonium

500

102.9055 is the atomic number for this element

what is Rhodium

500

40 is the atomic number of this element

what is Zirconium

500

This element comprises an estimated 0.004% of the earth's crust.

what is zinc

500

this element has the chemical symbol O and atomic number 8.

what is oxygen

500

this element is the heaviest known halogen

what is astatine