Unit 0- Review Flashcards
1
Q
Periodic Table- Groups?
A
Columns 18
2
Q
Periodic table- Periods
A
Rows 7
3
Q
Group 1
A
Alkali Metals
4
Q
Group 2
A
Alkali earth metals
5
Q
Group 17
A
Halogens
6
Q
Group 18
A
Noble gases
7
Q
Atomic mass
A
Neutrons+protons
8
Q
Cations
A
Have a positive charge—lost electrons—usually metals.
9
Q
Anions
A
Have negative charge-gained elections-usually non-metals.
10
Q
Ionic compound
A
Forms between metal and non-metal or polyatomic ions. Electrons are donated and received to make ions.
11
Q
Molecular compounds.
A
Formed between two or more non-metals. Electrons are shared. A compound is held together by covalent bonds.
