Atomic Mass

Question 1

1 H Hydrogen

Answer 1

1.007

Question 2

2 He Helium

Answer 2

4.002

Question 3

3 Li Lithium

Answer 3

6.941

Question 4

4 Be Beryllium

Answer 4

9.012

Question 5

5 B Boron

Answer 5

10.81

Question 6

6 C Carbon

Answer 6

12.01

Question 7

7 N Nitrogen

Answer 7

14.0067

Question 8

8 O Oxygen

Answer 8

15.99

Question 9

9 F Fluorine

Answer 9

18.99

Question 10

10 Ne Neon

Answer 10

20.17

Question 11

11 Na Sodium

Answer 11

22.98

Question 12

12 Mg Magnesium

Answer 12

24.305

Question 13

13 Al Aluminum

Answer 13

26.98

Question 14

14 Si Silicon

Answer 14

28.08

Question 15

15 P Phosphorus

Answer 15

30.97

Question 16

16 S Sulfur

Answer 16

32.06

Question 17

17 Cl Chlorine

Answer 17

35.453

Question 18

19 K Potassium

Answer 18

39.09

Question 19

18 Ar Argon

Answer 19

39.94

Question 20

20 Ca Calcium

Answer 20

40.08

Question 21

31 Ga Gallium

Answer 21

69.72

Question 22

32 Ge Germanium

Answer 22

72.59

Question 23

33 As Arsenic

Answer 23

74.92

Question 24

34 Se Selenium

Answer 24

78.96

Question 25

35 Br Bromine

Answer 25

79.904

Question 26

36 Kr Krypton

Answer 26

83.80

Question 27

37 Rb Rubidium

Answer 27

85.46

Question 28

38 Sr Strontium

Answer 28

87.62

Question 29

49 In Indium

Answer 29

114.82

Question 30

50 Sn Tin 118.69

Answer 30

118.69

Question 31

51 Sb Antimony

Answer 31

121.75

Question 32

53 I Iodine

Answer 32

126.9045

Question 33

52 Te Tellurium

Answer 33

127.60

Question 34

54 Xe Xenon

Answer 34

131.30

Question 35

55 Cs Cesium

Answer 35

132.9054

Question 36

56 Ba Barium

Answer 36

137.33

Question 37

81 Tl Thallium

Answer 37

204.37

Question 38

82 Pb Lead

Answer 38

207.2

Question 39

83 Bi Bismuth

Answer 39

208.9804

Question 40

84 Po Polonium

Answer 40

209

Question 41

85 At Astatine

Answer 41

210

Question 42

86 Rn Radon

Answer 42

222

Question 43

87 Fr Francium

Answer 43

223

Question 44

88 Ra Radium

Answer 44

226.02