chap 7

Question 1

when explaining electron shielding what would be better sentence than “xenon atom is bigger”

Answer 1

larger atomic radius

Question 1

Answer 1

Mg

Question 2

Answer 2

Question 3

Answer 3

Question 4

Answer 4

Question 5

Answer 5

.1 more (not more)
.Atomic radius of Sr is smaller even though they are in the same outermost shell
.greater nuclear attraction

Question 6

Answer 6

losing the 2nd e^- from the next shell closer to the nucleus —-> so stronger nuclear attraction

Question 7

draw, start with group 7 going right, period 3, going down the table?

Answer 7

Question 8

Answer 8

Question 9

Answer 9

Question 10

Common Giant Structures to Remember:

Answer 10

Giant Ionic Structures:
Sodium Chloride (NaCl)
Magnesium Oxide (MgO)
Giant Covalent Structures:

Diamond (Carbon)
Graphite (Carbon)
Silicon Dioxide (SiO2)
Giant Metallic Structures:

Aluminium (Al)
Iron (Fe)
Copper (Cu)

Question 11

Simple Checklist for Giant Structures:

Answer 11

Question 12

Answer 12

Question 13

give the 3rd ionization energy equation

Answer 13

X^2+(g) ——-> X^3+(g) + e^-

Question 14

What 3 elements don’t form simple molecular lattices

Answer 14

Boron Carbon and Silicon