Orbita . U Z

davomi

Kimyoviy

element

atom

raqami

Kimyoviy

element

Ramziy belgilanishi

(Kimyoviy formulasi)

Izotopning tabiiy

aralashmalardagi miqdoriy

ulushi, %

Izotopning massa soni

Izotopning nuklud massasi,

m.a.b.

Izotop atomi tarkibidagi:

element

izotop

Elektronlar

soni

Protonlar soni

Neytronlar

soni

32

Germaniy

Ge

⁷⁰Ge

⁷⁰Ge

⁷⁰Ge

⁷⁰Ge

⁷⁰Ge

20.5

27.3

7.6

36.7

7.6

70

72

73

74

76

69.924252

71.922082

72.923462

73.921181

75.921405

32

32

32

32

32

32

32

32

32

32

38

40

41

42

44

33

Mishyak

As

⁷⁵As

100

75

74.921596

33

33

42

34

Selen

Se

⁷⁴Se

⁷⁶Se

⁷⁷Se

⁷⁸Se

⁸⁰Se

⁸²

0.87

9.0

7.5

23.5

49.8

9.1

74

76

77

78

80

82

73.922476

75.919207

76.919911

77.917314

79.916527

81.916707

34

34

34

34

34

34

34

34

34

34

34

34

40

42

43

44

46

48

35

Brom

Br

⁷⁹Br

⁸¹Br

50.54

49.46

79

81

78.918329

80.918536

35

35

35

35

44

46

36

Kripton

Kr

⁷⁸Kr

⁸⁰Kr

⁸²Kr

⁸³Kr

⁸⁴Kr

⁸⁶Kr

0.35

2.2

11.5

11.5

57.9

17.3

78

80

82

83

84

86

77.920403

79.916380

81.913483

82.914131

83.911503

85.910616

36

36

36

36

36

36

36

36

36

36

36

36

42

44

46

47

48

50

37

Rubidiy

Rb

⁸⁵Rb

⁸⁷Rb (5·10¹⁰ yil)

72.15

27.85

85

87

84.911800

86.909186

37

37

37

37

48

50

38

Stronsiy

Sr

⁸⁴Sr

⁸⁶Sr

⁸⁷Sr

⁸⁸Sr

0.560

9.870

7.035

82.535

84

86

87

88

83.913430

85.909285

86.908892

87.905641

38

38

38

38

38

38

38

38

46

48

49

50

39

Ittriy

Y

⁸⁹Y

100

89

88.905872

39

39

50