F4 C4 CHEM (PERIODIC TABLE 4.2) Flashcards
1
Q
what’s the vertical column?
A
group
2
Q
what’s the horizontal column?
A
period
3
Q
how many periods are there?
A
7
4
Q
how many groups are there?
classify (metal & non-metal)
A
18
metal 1-13 non-metal 14-18
5
Q
which has the same chemical properties?
A
period
6
Q
how are periods determined?
A
by the number of shells filled by electrons
7
Q
how are groups determined?
A
by the number of valence electrons
8
Q
aluminium has an electron arrangement of 2.8.3. State the group and period of aluminium
A
group 13
period 3
