Structure 3.1 Flashcards
1
Q
Period
A
Lines across Ptable
2
Q
Group
A
Columns on Ptable
3
Q
What does the period number show
A
The outer energy level that is occupied by electrons
4
Q
What do elements in a group have in common?
A
Their valence electrons, this gives similar chemical properties
5
Q
Periodicity
A
Trends in properties of elements across a period and down a group
6
Q
Trends in properties down a group
A
Increasing metallic character (G1 elements) decreasing non metallic character (G17 elements)
7
Q
Oxidation state
A
A number assigned to an atom to show the number of electrons transferred in forming a bond. The charge that atom would have if it was composed of ions.
8
Q
A
