X and Y are two elements from Period 3 of the Periodic Table.
Element X has a higher electrical conductivity than element Y. Element Y has a higher melting point than element X.
Which formula is a compound formed from element X and element Y?
1 )
MgS
Mg$_2$Si
3 )
NaCl
4 )
SiCl$_4$
تحلیل ویدئویی تست
تحلیل ویدئویی برای این تست ثبت نشده است!