Chemistry - Periodic table Flashcards
1
Q
9How are elements arranged in periodic table?
A
In order of atomic number
2
Q
Group
A
vertical column in periodic table
3
Q
Period
A
horizontal row in periodic table
4
Q
Group 0/8
A
Noble gas
5
Q
Acids
A
- pH less than 7
- turn UI red/orange/yellow
6
Q
Alkalis
A
- pH greater than 7
- turn UI blue/purple
7
Q
metals
A
have basic oxides (oxides that react with acids to form a salt and water)
8
Q
inert
A
unreactive
8
Q
non-metals
A
have acidic oxides (oxides that react with water to form an acid, or with a base to form a salt.
