Statement 1: Diamond and graphite have the same physical​ properties.
Statement 2: Both of them are made from the same element.​

1. Statement 1 is false, but statement 2 is true​.
2. Statement 1 is true, but statement 2 is false.​
3. Both the statements are false.​
4. Both statement 1 and statement 2 are true.​

Draw the structure of graphite and diamond. Explain how the structures are responsible for the difference in their physical properties.

What are allotropes? Sketch the structure of two allotropes of carbon namely diamond and graphite. What is the impact of structure on physical properties of two allotropes?

(a) they have different chemical properties

(b) their physical properties are the same

(c) they have the same number of protons

(d) they are isobars of the same element

Statement 1: Isobars have same chemical and physical properties.
Statement 2: Isobars are the atoms with equal number of nucleons.