Question

1. Why is a piece of chalk easier to break but a block of iron very difficult to break?

Answer 1

Answer:

Here is your answer.

Explanation:

In Case of chalk;

The molecules of chalk are loosely bounded in it and it have hollow space b/w chalk molecules, that's why it is easy to break chalk.

In case of Iron block;

The molecules of Iron are very tightly bounded to each other make strong intramolecular attraction force and Hence make hard to break a block iron.

Hope it helps.