Tag Archives: Atomic mass






Physical Properties Of Nitrogen Family

PROPERTY  ELEMENT  N P As Sb Bi Atomic number 7 15 33 51 83 Atomic mass 14.01 30.97 74.92 121.75 208.98 Covalent radius /pm 70 110 120 140 150 Ionic radius / pm 171N3- 212P3- 222As3+ 76Sb3+ 103Bi3+ First ionisation energy kj mol-1 1402 1012 947 834 703 Second ionisation energy kj mol-1 2856 1903

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Physical Properties Of Boron Family

PROPERTY ELEMENT B Al Ge In Ti Atomic number 5 13 31 49 81 Atomic mass 10.81 26.98 369.72 114.82 204.38 Atomic radius/pm 85 143 135 167 170 Ionic radius/pm(M3+) 27 53.5 62.0 80.80 88.5 First Ionisation energy kj mol-1 800 577 578 558 590 Second Ionisation energy kj mol-1 2427 1816 1979 1820 1971

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