Question

outer electronic configuration of first ten elements of period 6​

Answer 1

Answer:

Chemical element Chemical series Electron configuration

55 Cs Caesium       Alkali metal                  [Xe] 6s1

56 Ba Barium Alkaline earth metal [Xe] 6s2

57 La Lanthanum Lanthanide [a] [Xe] 5d1 6s2 [b]

58 Ce Cerium Lanthanide [Xe] 4f1 5d1 6s2 [b]

59 Pr Praseodymium Lanthanide [Xe] 4f3 6s2

60 Nd Neodymium Lanthanide [Xe] 4f4 6s2

61 Pm Promethium Lanthanide [Xe] 4f5 6s2

62 Sm Samarium Lanthanide [Xe] 4f6 6s2

63 Eu Europium Lanthanide [Xe] 4f7 6s2

64 Gd Gadolinium Lanthanide [Xe] 4f7 5d1 6s2 [b]

65 Tb Terbium Lanthanide [Xe] 4f9 6s2

66 Dy Dysprosium Lanthanide [Xe] 4f10 6s2

67 Ho Holmium Lanthanide [Xe] 4f11 6s2

68 Er Erbium Lanthanide [Xe] 4f12 6s2

69 Tm Thulium Lanthanide [Xe] 4f13 6s2

70 Yb Ytterbium Lanthanide [Xe] 4f14 6s2

71 Lu Lutetium Lanthanide [a] [Xe] 4f14 5d1 6s2

72 Hf Hafnium Transition metal [Xe] 4f14 5d2 6s2

73 Ta Tantalum Transition metal [Xe] 4f14 5d3 6s2

74 W Tungsten Transition metal [Xe] 4f14 5d4 6s2

75 Re Rhenium Transition metal [Xe] 4f14 5d5 6s2

76 Os Osmium Transition metal [Xe] 4f14 5d6 6s2

77 Ir Iridium Transition metal [Xe] 4f14 5d7 6s2

78 Pt Platinum Transition metal [Xe] 4f14 5d9 6s1 [b]

79 Au Gold Transition metal [Xe] 4f14 5d10 6s1 [b]

80 Hg Mercury Post-transition metal [Xe] 4f14 5d10 6s2

81 Tl Thallium Post-transition metal [Xe] 4f14 5d10 6s2 6p1

82 Pb Lead Post-transition metal [Xe] 4f14 5d10 6s2 6p2

83 Bi Bismuth Post-transition metal [Xe] 4f14 5d10 6s2 6p3

84 Po Polonium Post-transition metal [Xe] 4f14 5d10 6s2 6p4

85 At Astatine Metalloid [Xe] 4f14 5d10 6s2 6p5

86 Rn Radon Noble gas [Xe] 4f14 5d10 6s2 6p6

Answer 2

Answer:

Hydrogen 1s1

2 Helium 1s2

3 Lithium [He]2s1

4 Beryllium [He]2s2

5 Boron [He]2s22p1

6 Carbon [He]2s22p2

7 Nitrogen [He]2s22p3

8 Oxygen [He]2s22p4