Periodic Trends In Atomic Size Flashcards
0
Q
Describe the period trend for atomic size
A
The size is larger in the left than in the right because of the attraction felt
1
Q
Describe the group trend for atomic size
A
As you move down, the size increases because there are more energy levels (except in transition metals)
2
Q
What is the effective nuclear charge and how do you determine it?
A
It is the attraction felt by the valence electrons to the nucleus Nuclear charge (protons) - core electrons =effective nuclear charge
3
Q
What are core electrons?
A
The electrons that are not in the outermost energy level
