Effective Nuclear Charge

Question 1

Atomic radius

Answer 1

Left to right decrease
Top to down increase

Question 2

Ionization

Answer 2

Left to right increase
Top to down decrease

Question 3

Electro gravity valence

Answer 3

Left to right increase
Top to down decrease

Question 4

Metallic character

Answer 4

Left to right decrease
Top to down increase

Question 5

Top to Down
1. More occupied than electron shell (energy level)
2. Shielding effect increase, effective nuclear charge decrease
3.more occupied energy level.
More electron electron repulsion (core electron
Left to right
1. Increase in effective nuclear charge (Zeff)
2. Left to right shielding effect (same # of occupied energy level) (shell)

Answer 5

Atomic radius

Question 6

1. Electro required to remove valence e- from gaseous state
2. Ca+energy->Ca#+e- (I1)
3. (Ca+)+ Energy -> Ca2+e- (I2)

Answer 6

Ionization energy

Question 7

1. Measures tendency of atom to attract another e- pair (in a bond)
2. (0-4) (1) F (2) O (3) N
3. Until noble undefined

Answer 7

Electronegativity value

Question 8

1. Tendency of atom to loses e-
   Cation

Answer 8

Metallic character

Question 9

1

Answer 9

Alkali metal

Question 10

2

Answer 10

Alkali earth metal

Question 11

3-12

Answer 11

Transitional metals

Question 12

7A

Answer 12

Halogen

Question 13

8

Answer 13

Noble gas

Question 14

1st separation

Answer 14

Lanthaide series

Question 15

Second separation

Answer 15

Actinide series