Guess the weight of the element
What's this chemical group
Guess the element
What group are these elements in
Physical or chemical change
100

Boron

What is 10.81

100

H2O

What is Water?

100

K

What is Potassium?

100

Magnesium

What are alkaline earth metals?

100

Melting ice

What is physical

200

Rhodium

What is 102.91

200

O2

What is Oxygen?

200

Fe

What is Iron?

200

Lithium

What are alkali metals?

200

Burning wood

what is Chemical

300

Seaborgium

What is (269)

300

CO2

What is Carbon dioxide?

300

Ni

What is Nickel?

300

Hydrogen

What are reactive nonmetals?

300

Burning a candle

what is physical & Chemical

400

Rubidium

What is 85.468

400

NACI

What is Salt?

400

Sb

What is Antimony?

400

Copper

What is Transition metal?

400

Cooking

What is chemical

500

Germanium

72.630

500

HCI

What is Hydrochloric acid?

500

Ag

What is Silver?

500

Oxygen

What are reactive nonmetal

500

Freezing ice

What is physical

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