Categorize these solids as pure substance or mixtures.Categorize the pure substances as elements vs compounds and metals vs non-metals.

Question

Sulfur

Wooden splint

Copper Powder

Charcoal

Selenium powder

Steel Wool

Answer 1

If you can find it in the periodic table (such as sulfur, copper, carbon, etc.) it is an element. Otherwise, it may be a mixture or it could simply be a pure compound.

 

Sulfur - pure element, non-metal
Wooden splint - mixture
Copper Powder - pure element, metal
Charcoal - pure element, non-metal
Selenium powder - pure element, non-metal
Steel Wool - mixture