Flashcards in chemistry Deck (12)
How can you obtain drinking water from muddy water?
Filtrate then distil
How can you separate petrol from crude oil
3 types of bonds
Ionic, covalent, metallic
What do atoms never do?
gain or lose protons
Type of elements that generally form negative ions
Type of elements that generally form positive ions
What does empirical mean?
Methane chemical formula
Why does chlorine have two molecules?
Because Chlorine is a non-metal and they are mostly molecular.
Sulfuric acid formula
Why is a carbonate atom 2-?
Because it contains a carbon atom and three oxygen atoms