C2.2.2 Electronic Structures Flashcards
1
Q
What is a group?
A
A vertical column on the periodic table
2
Q
What is a period?
A
A horizontal row on the periodic table
3
Q
Write down the number of elements for the first four periods:
A
1- 2
2- 8
3-8
4-18
4
Q
What does the electronic structure of an atom show?
A
Shows how the electrons are arranged in atoms
5
Q
What is the outer shell?
A
The outermost occupied shell in an atom
6
Q
State the electronic structure of oxygen:
A
2.6
7
Q
State the electronic structure of magnesium
A
2.8.2
8
Q
How is electronic structure related to the periodic table? (3)
A
- the number of numbers equals the period number
- the sum of numbers equals the atomic number
- the last number matches the group number
9
Q
What is nitrogen’s electron configuration?
A
2.5
10
Q
Write down aluminiums electron configuration
A
2.8.3
11
Q
Write down chlorines electron configuration
A
2.8.7
