Physical Properties Of Oxygen Family

 

PROPERTY ELEMENT
O S Se Te Po
Atomic number 8 16 34 52 84
Atomic mass 16.00 32.06 78.96 127.60 210
Covalent radius/pm 74 103 119 142 168
Ionic radius/pm(M2-) 140 184 198 221 230
First ionization energy kj mol-1 1314 1000 941 869 813
Second ionization energy kj mol-1 3388 2251 2045 1790
Electronegativity 3.5 2.5 2.4 2.1 2.0
Density (g/cm3) 1.32 2.06 4.19 6.25
Melting point (K) 84 393 490 725 520
Boiling point 90 718 958 1260 1235
Sign-up for our email newsletter and get free job alerts, current affairs and GK updates regularly.
Subscribe Here (or)

Leave a Reply

Your email address will not be published. Required fields are marked *


1 × = four

Popup Dialog Box Powered By : XYZScripts.com
  • RSS
  • Facebook
  • Google+
  • Twitter