Irodov – Problems in General Physics

(Joyce) #1
I^1

Groups of

I II V

MENDELEEV'S PERIODIC

II 2

Li 3
Lithium
6.

Be 4
Beryllium
9.

5 B
Boron
10.

6 C
Carbon
12.

7 N
Nitrogen
14.

III^3

Na 11
Sodium
22.

Mg 12
Magnesium
24.

13 Al
Aluminium
26.

14 Si
Silicon
28.

15 P
Phosphorus
30.

IV

4

IC 19
Potassium
39.

Ca 20
Calcium
40.

Sc 21
Scandium
44.

Ti 22
Titanium
47.

V 23
Vanadium
50.

5

29 Cu
Copper
63.

30 Zn
Zinc
65.

31 Ga
Gallium
69.

32 Ge
Germanium
72.

33 As
Arsenic
74.

V

6

Rb 37
Rubidium
85.

Sr 38
Strontium
87.

Y 39
Yttrium
88.

Zr 40
Zirconium
91.

Nb 41
Niobium
92.

7

47 Ag
Silver
107.

48 Cd
Cadmium
112.

49 In
Indium
114.

50 Sn
Tin
118.

(^51) Sb
Antimony
121.
VI
8
Cs 55
Cesium
132.
Ba 56
Barium
137.
La 57
Lanthanum
138.



  • Hf 72
    t, Hafnium
    co ko



  1. Ta 73
    Tantalum


  2. 9
    79 Au
    Gold




  3. 80 Hg
    Mercury




  4. (^81) Ti
    Thallium




  5. 82 Pb
    Lead




  6. 83 Bi
    Bismuth




  7. VII 1 0
    Fr 87
    Francium
    [223]
    Ra 88
    Radium




  8. Ac 89
    Actinium
    [227]





  • Ku 104 C.
    (^2) Kurchatovium
    c; a [261]
    105

  • LANTHANI
    Ce 58 Pr 59 Nd 60 Pm 61 Sm 62 Eu 63 Gd^64
    Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium
    140.12 140.907 144.24 [145] 150.35 151.96 157.
    ** ACTINI
    Th 90 Pa 91 U 92 Np 93 Pu 94 Am 95 Cm 96
    Thorium Protactinium Uranium Neptunium Plutonium Americium Curium
    232.038 231.0359 238.03 [237] [244] [243] [247]

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