O

8

15.999

2

Y

39

Y₂O₃

88.905

78.74

3

C

6

CO₂

12.011

27.29

4

Zr

40

ZrO₂

91.22

74.04

4

N

7

N2O5

14.007

46.68

5

Nb

41

Nb₂O₅

92.906

69.90

5

F

9

F

18.998

1

Mo

42

MoO₃

95.94

66.65

6

Na

11

Na₂O

22.990

74.19

1

Sn

50

SnO₂

118.7

78.77

4

Mg

12

MgO

24.305

60.32

2

Cs

55

Cs₂O

132.905

94.32

1

Al

13

Al₂O₃

26.982

52.92

3

Ba

56

BaO

137.34

89.57

2

Si

14

SiO₂

28.086

46.75

4

La

57

La₂O₃

138.91

89.73

3

P

15

P₂O₅

30.974

43.63

5

Ce

58

Ce₂O₃

140.12

81.41

3

S

16

SO₃

32.064

40.05

6

Pr

59

Pr₂O₃

140.907

81.49

3

Cl

17

Cl

35.453

1

Nd

60

Nd₂O₃

144.24

85.73

3

K

19

K₂O

39.102

83.01

1

Pm

61

Pm₂O₃

145

85.80

3

Ca

20

CaO

40.08

71.47

2

Sm

62

Sm₂O₃

150.35

86.23

3

Sc

21

Sc₂O₃

44.956

65.19

3

Eu

63

Eu₂O₃

151.96

86.36

3

Ti

22

TiO₂

47.90

59.95

4

Gd

64

Gd₂O₃

157.25

86.76

3

V

23

V₂O₃

50.942

67.97

3

Tb

65

Tb₂O₃

158.924

86.88

3

Cr

24

Cr₂O₃

51.996

68.42

3

Dy

66

Dy₂O₃

162.50

85.98

3

Mn

25

MnO

54.938

77.45

2

Ho

67

Ho₂O₃

164.930

87.30

3

Fe

26

FeO

55.847

77.73

2

Er

68

Er₂O₃

167.26

87.45

3

Co

27

CoO

58.933

78.65

2

Tm

69

Tm₂O₃

168.934

87.56

3

Ni

28

NiO

58.71

78.58

2

Yb

70

Yb₂O₃

173.04

87.82

3

Cu

29

CuO

63.546

79.88

2

Lu

71

Lu₂O₃

174.97

87.94

3

Zn

30

ZnO

65.37

80.34

2

Hf

72

HfO₂

178.49

84.79

4

Ga

31

Ga₂O₃

69.72

74.39

3

Ta

73

Ta₂O₅

180.948

88.29

5

Ge

32

GeO₂

72.59

81.94

4

W

74

WO₃

183.85

79.30

6

As

33

As₂O₃

74.92

75.74

3

Pb

82

PbO

207.19

92.83

2

Rb

37

Rb₂O

85.47

91.44

1

Bi

83

Bi₂O₃

209.0

89.70

3

Sr

38

SrO

87.62

84.56

2

Th

90

ThO₂

232.038

87.88

4

U

92

UO₂

238.03

88.15

4

Li

3

Li2O

6.939

46.45

B

5

B2O3

10.811

31.06

1

As

33

As₂O₅

74.92

32.60

3

V

23

V2O5

50.942

56.02

5

Ta

73

Ta2O3

180.948

88.29

5

Fe

Fe2O3

55.847

69.94

3