mixtures and compounds Flashcards
1
Q
compounds
A
substances that contain two or more elements, chemically bonded
2
Q
what does a compound formed from non-metals consist of?
A
molecules (covalent bonding)
3
Q
what does a compound formed from a metal and a non-metal consist of?
A
ions (ionic bonding)
4
Q
mixture
A
a substance that contains two or more elements, not chemically bonded
5
Q
why can mixtures be separated easily, unlike compounds?
A
mixtures aren’t chemically bonded, unlike compounds
6
Q
give 2 examples of mixtures
A
air
crude oil
7
Q
give 2 examples of compounds
A
carbon dioxide
ammonia
