Answer:
1231
Explanation:
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D = m / V
d = 1300 g / 743 cm³
d = 1.749 g/cm³
Answer:
Type of hybridisation
Explanation:
For example , saturated hydrocarbons have sp3 hybridisation while unsaturated hydrocarbons have either sp2 or sp hybridisation.
Example: Ethane( C2H6) has sp3 hybridisation and ethene(C2H4) has sp2 hybridisation and Ethyne(C2H2) has sp hybridization.
The reason nonmetals are electrical insulator is since
valence shells in nonmetal atoms are almost full, the atoms attract electrons
and hold them tightly to fill their valence. The reason why it acts as an
insulator is the high ionization energy it has. It prevents any electron from
leaving an atom easily even when an electric field is applied.
