The Modern Periodic Table Flashcards
0
Q
What is the group number?
A
The group number is equal to the number of electrons in the highest occupied energy level
1
Q
How are elements in the periodic table organised today?
A
By their electronic structure
2
Q
What is the charge of the nucleus?
A
Positive
3
Q
What happens as atoms gain more shells?
A
- Attraction of the nucleus is less due to distance
- Electrons in the inner shells ‘get in the way’ (shielding)