Question

1 The work that people do to earn money

2 What family members do to complete house work.

3 The time that we spend to take rest

4 Hobbies and pastime​

Answer 1

Answer:

These properties include color, density, melting point, boiling point, and thermal and electrical conductivity. While some of these properties are due chiefly to the electronic structure of the element, others are more closely related to properties of the nucleus, e.g., mass number.