Types of substance

Substance $X\,$ is a solid at room temperature (298 K) and has a giant ionic lattice structure.

Which row in the table shows the properties that substance $X\,$ is most likely to have?

Row	Melting point ( $K\text{K}$ )	Electrical conductivity as a solid	Electrical conductivity when molten
A	324	Good	Good
B	1074	Poor	Good
C	1074	Poor	Poor
D	324	Poor	Good

Row A

Row B

Row C

Row D

Substance $X\,$ is a solid at room temperature (298 K) and has a giant ionic lattice structure.

Which row in the table shows the properties that substance $X\,$ is most likely to have?

Row	Melting point ( $K\text{K}$ )	Electrical conductivity as a solid	Electrical conductivity when molten
A	324	Good	Good
B	1074	Poor	Good
C	1074	Poor	Poor
D	324	Poor	Good

Row A

Row B

Row C

Row D

Types of substance Questions