Chemistry

Atoms

100

What is an atom?

Tiny particles that are the building blocks of everything

200

What are the main components of an atom?

Protons, electrons, and neutrons

300

How many electrons do oxygen atoms have?

8

400

How many different types of atoms can be found naturally

98 are naturally occurring 

500

How many atoms are in the observable universe 

Between 10⁷⁸ to 10⁸² atoms or ten quadrillion vigintillion and one-hundred thousand quadrillion vigintillion atoms.

What chemical is this?

100

H₂O

Water

200

C₆H₁₂O₆

Glucose (sugar)

300

CH₄

Methane

400

NH₃ 

Ammonia 

500

PO₄^3-

Phosphate

What is the symbol?

100

Zinc

Zn

200

Sodium

Na

300

Gold

Au

400

Tungsten

W

500

Lead

Pb

Australia

100

What animals are on the Australian coat of arms 

Kangaroo and emu

200

What is the name of the famous rock in the Northern Territory that changes color at sunset?

Uluru