Chemistry stuff Flashcards
1
Q
What are ions?
A
Electrically charged particles.
2
Q
How are ions formed?
A
When atoms lose or gain electrons.
3
Q
Positively charged ions form when…
A
metal atoms lose electrons.
4
Q
Non-metal atoms gain electrons to form…
A
negatively charged ions.
5
Q
What is an ionic bond?
A
The force of attraction between oppositely charged ions.
6
Q
What is a molecule?
A
A collection of two or more atoms joined together by covalent bonds.
7
Q
Compounds formed from non-metals consist of what?
A
Molecules.
8
Q
What is a compound?
A
A substance formed by the chemical union of two or more elements.
9
Q
Covalent bonds are formed when…
A
atoms share pairs of electrons.
