An oxide is yellow when hot and white when cold
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ZINC OXIDE (ZNO) IS THE OXIDE
Sayedibhrahim:
Name second last element of third period
How many elements are there in period 2
Answer both very soon
chlorine second last elemnt
and 8
for second
Group 18 has _valence electrons (4/8) with the exception of _(he/ne)with _electrons (2/8) in valence shell
Answer to this
Come on are you there
grp 18 - has 8 valance e-
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