Question

Which statement is correct for all metals?
A. Conduct electricity when molten
B. Gain electrons when they form ions
C. Have a low density
D. Have a low melting point

Answer 1

Hint: We know that metals lose electrons to form positively charged ions. In metals, valence electrons are free to move. They have giant lattice structures with strong forces of attraction.

Complete step by step answer:
The elements in a periodic table are broadly classified into two main parts; those are metals and non-metals.
The metals are the elements having good electrical and heat conductivity. But some metals are soft in nature in their pure form.
Metals mainly exhibit properties like:
1. Electrical conductivity
2. Thermal conductivity
3. Lustre
4. High tensile strength
5. Ductility
6. Malleability
7. Hardness
We know that the capability of a substance to conduct an electrical charge is known as electric conductors. In metal, electrons carry the electrical charge from one atom to another. Metals are good electrical conductors. The flow of electric current through ions in pure liquids or solution is known as electrolytic conduction and the flow of electric current through electrons in metal and metalloids is known as metallic conduction.
Metals have high density and melting point.
Hence, we can say that, metals conduct electricity in molten state due to delocalized electrons

Thus, the correct option is A.

Note:
The chemical properties are the outcome of how metals remove their electrons rapidly to form positively charged cations. The metallic character associated physical properties comprise shiny appearance, high density, metallic luster, and so on.