7. (8 points) With the aid of the periodic table shown below, calculate the ionic

character (in percent) of the interatomic bonds of MgO, and describe MgO has which

type of bonding.

1

IA

1

H

2.1

3

Li

1.0

#299 × 35828848

11

Na

1.0

19

K

0.9

37 38

Sr

Rb

0.9

55

0.9

87

Fr

ΓΙΑ

4

Be

1.5

12

Mg

1.3

20

Ca

1.1

0.9

1.0

56

Ba

0.9

88

Ra

0.9

IIIB

21

IVB

22

Ti

1.3

39

40

Y

Zr

1.1 1.2

Sc

1.2

57-71

La-Lu

1.1-1.2

89-102

Ac-No

1.0-1.7

VB

23

V

1.5

41

Nb

1.3

72

73

Hf

Ta

1.2 1.4

VIB

VIIB

24 25

Cr

Mn

1.6

1.6

42

Mo

1.3

74

W

14

43

Tc

1.4

75

Re

1.5

26

Fe

1.7

44

VIII

27

Co

1.7

45

Ru

Rh

1.4 1.5

76

Os

1.5

77

Ir

1.6

28

Ni

1.8

46

Pd

1.4

78

Pt

1.5

IB

29

Cu

1.8

47

Ag

79

Au

1.4

9852982822

30

Zn

1.7

48

Cd

1.5

80

Hg

1.5

IIIA

5

B

2.0

с

2.5

13

14

Al

Si

1.5

1.8

31 32

Ga

Ge

1.8 2.0

49

In

1.5

81

IVA

6

TI

1.5

VA

7

N

3.1

15

P

2.1

82

Pb

1.6

33

As

2.2

50

51

Sn Sb

1.7 1.8

83

Bi

1.7

VIA VIIA

8

0

3.5

16

S

34

Se

2.5

52

Te

2.0

84

Po

1.8

F

4.1

17

CI

2.9

35

Br

2.8

53

I

2.2

85

At

2.0