Question

write 1 to 25 elements electronic configuration​

Answer 1

Answer:

Atomic

Number Symbol Name Atomic Mass

(amu, g/mol)

1 H Hydrogen 1.00797

2 He Helium 4.00260

3 Li Lithium 6.941

4 Be Beryllium 9.01218

5 B Boron 10.81

6 C Carbon 12.011

7 N Nitrogen 14.0067

8 O Oxygen 15.9994

9 F Fluorine 18.998403

10 Ne Neon 20.179

11 Na Sodium 22.98977

12 Mg Magnesium 24.305

13 Al Aluminum 26.98154

14 Si Silicon 28.0855

15 P Phosphorus 30.97376

16 S Sulfur 32.06

17 Cl Chlorine 35.453

18 Ar Argon 39.948

19 K Potassium 39.0983

20 Ca Calcium 40.08

21 Sc Scandium 44.9559

22 Ti Titanium 47.90

23 V Vanadium 50.9415

24 Cr Chromium 51.996

25 Mn Manganese 54.9380

26 Fe Iron 55.847

27 Co Cobalt 58.9332

28 Ni Nickel 58.70

29 Cu Copper 63.546

30 Zn Zinc 65.38

31 Ga Gallium 69.72

32 Ge Germanium 72.59

33 As Arsenic 74.9216

34 Se Selenium 78.96

35 Br Bromine 79.904

36 Kr Krypton 83.80

37 Rb Rubidium 85.4678

38 Sr Strontium 87.62

39 Y Yttrium 88.9059

40 Zr Zirconium 91.22

41 Nb Niobium 92.9064

42 Mo Molybdenum 95.94

43 Tc Technetium (98)

44 Ru Ruthenium 101.07

45 Rh Rhodium 102.9055

46 Pd Palladium 106.4

47 Ag Silver 107.868

48 Cd Cadmium 112.41

49 In Indium 114.82

50 Sn Tin 118.69

51 Sb Antimony 121.75

52 Te Tellurium 127.60

53 I Iodine 126.9045

54 Xe Xenon 131.30

55 Cs Cesium 132.9054

56 Ba Barium 137.33

57 La Lanthanum 138.9055

58 Ce Cerium 140.12

59 Pr Praseodymium 140.9077

60 Nd Neodymium 144.24

61 Pm Promethium (145)

62 Sm Samarium 150.4

63 Eu Europium 151.96

64 Gd Gadolinium 157.25

65 Tb Terbium 158.9254

66 Dy Dysprosium 162.50

67 Ho Holmium 164.9304

68 Er Erbium 167.26

69 Tm Thulium 168.9342

70 Yb Ytterbium 173.04

71 Lu Lutetium 174.967

72 Hf Hafnium 178.49

73 Ta Tantalum 180.9479

74 W Tungsten 183.85

75 Re Rhenium 186.207

76 Os Osmium 190.2

77 Ir Iridium 192.22

78 Pt Platinum 195.09

79 Au Gold 196.9665

80 Hg Mercury 200.59

81 Tl Thallium 204.37

82 Pb Lead 207.2

83 Bi Bismuth 208.9804

84 Po Polonium (209)

85 At Astatine (210)

86 Rn Radon (222)

87 Fr Francium (223)

88 Ra Radium 226.0254

89 Ac Actinium 227.0278

90 Th Thorium 232.0381

91 Pa Protactinium 231.0359

92 U Uranium 238.029

93 Np Neptunium 237.0482

94 Pu Plutonium (242)

95 Am Americium (243)

96 Cm Curium (247)

97 Bk Berkelium (247)

98 Cf Californium (251)

99 Es Einsteinium (252)

100 Fm Fermium (257)

101 Md Mendelevium (258)

102 No Nobelium (250)

103 Lr Lawrencium (260)

104 Rf Rutherfordium (261)

105 Db Dubnium (262)

106 Sg Seaborgium (263)

107 Bh Bohrium (262)

108 Hs Hassium (255)

109 Mt Meitnerium (256)

110 Ds Darmstadtium (269)

111 Rg Roentgenium (272)

112 Uub Ununbiium (277)

113 — —— ———

114 Uuq Ununquadium

Answer 2

Answer:

1) Hydrogen (H)

Atomic Number: 1

Valency = 1

Electronic Configuration : 1

2)Helium (He)

Atomic Number: 2

Valency = 0

Electronic Configuration : 2

3)Lithium(Le)

Atomic Number: 3

Valency = 1

Electronic Configuration : 2 , 1

4)Beryllium(Be)

Atomic Number: 4

Valency = 2

Electronic Configuration : 2 , 2

5)Boron(B)

Atomic Number: 5

Valency = 3

Electronic Configuration : 2 , 3

6)Carbon(C)

Atomic Number: 6

Valency = 4

Electronic Configuration : 2 , 4

7)Nitrogen(N)

Atomic Number: 7

Valency = 3

Electronic Configuration : 2 , 5

8)Oxygen(O)

Atomic Number: 8

Valency = 2

Electronic Configuration : 2 , 6

9)Fluorine(F)

Atomic Number: 9

Valency = 1

Electronic Configuration : 2 , 7

10)Neon (Ne)

Atomic Number: 10

Valency = 0

Electronic Configuration : 2 , 8

11)Sodium(Na)

Atomic Number: 11

Valency = 1

Electronic Configuration : 2 , 8 , 1

12) Magnesium(Mg)

Atomic Number: 12

Valency = 2

Electronic Configuration : 2 , 8 , 2

13) Aluminium(Al)

Atomic Number: 13

Valency = 3

Electronic Configuration : 2 , 8 , 3

14) Silicon(Si)

Atomic Number: 14

Valency = 4

Electronic Configuration : 2 , 8 , 4

15) Phosphorus(P)

Atomic Number: 15

Valency =  3

Electronic Configuration : 2 , 8 , 5

16) Sulphur(S)

Atomic Number: 16

Valency = 2

Electronic Configuration : 2 , 8 , 6

17) Chlorine(Cl)

Atomic Number: 17

Valency = 1

Electronic Configuration : 2 , 8 , 7

18) Argon(Ar)

Atomic Number: 18

Valency = 0

Electronic Configuration : 2 , 8 , 8

19) Potassium(K)

Atomic Number: 19

Valency = 1

Electronic Configuration : 2 , 8 , 8 , 1

20) Calcium (Ca)

Atomic Number: 20

Valency = 2

Electronic Configuration : 2 , 8 , 8 , 2

21) Scandium (Sc)

Atomic Number: 21

Valency = 3

Electronic Configuration : 2 , 8 , 9 , 2

22) Titanium (Ti)

Atomic Number: 22

Valency = 4

Electronic Configuration : 2 , 8 , 10 , 2

23) Vanadium (V)

Atomic Number: 23

Valency = 5 , 4

Electronic Configuration : 2 , 8 , 11 , 2

24) Chromium (Cr)

Atomic Number: 24

Valency = 2

Electronic Configuration : 2 , 8 , 13 , 1

25)Manganese(Mn)

Atomic Number: 25

Valency = 7 , 4 , 2

Electronic Configuration : 2 , 8 , 13 , 2

Explanation:

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