write the names from discrption
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a=3
b=18
c= group 17
d= alkali metals of group 1
e= alkali earth metal of group 2
f= metalloids in 2nd period is Boron and in 3rd period is Silicon
g= phosphorus , sulphur , chlorine
h= carbon , silicon , germanium etc.
b=18
c= group 17
d= alkali metals of group 1
e= alkali earth metal of group 2
f= metalloids in 2nd period is Boron and in 3rd period is Silicon
g= phosphorus , sulphur , chlorine
h= carbon , silicon , germanium etc.
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