Elements

How Many Atoms

100

H₂O

3 Atoms

200

C₃O₂

5 Atoms

300

Na₂O₃H₄

9 Atoms

400

NaHCO₃

6 Atoms

500

C₁₂H₂₂O₁₁

45 Atoms

Name That Element

100

Chemical Symbol = Na

Sodium

200

Chemical Symbol = Po

Potonium

300

Chemical Symbol = Ag

Silver

400

Chemical Symbol = W

Tungsten

500

Chemical Symbol = Au

Gold

Which Atom is Lighter

100

Carbon or Oxygen

Carbon

200

Hydrogen or Sulfur

Hydrogen

300

Tin or Iodine

Tin

400

Helium or Hydrogen

Hydrogen

500

Nitrogen or Aluminium

Nitrogen

Element or Compound

100

SrAgAs

Compound

200

CaNeHe

Compound

300

At

Element

400

Ca

Element

500

Co

Element

Compounds

100

CaCO₂

Calcium, Carbon, Oxygen

200

H₂SO₄

Hydrogen, Sulfur, Oxygen

300

C₁₂H₂₂O₁₁

Carbon, Hydrogen, Oxygen

400

AgNO₃

Silver, Nitrogen, Oxygen

500

Au₃IBr₂Cl

Gold, Iodine, Bromine, Chlorine