Tamil Nadu Board Solutions for Chapter: Atomic Structure, Exercise 1: Evaluation
Tamil Nadu Board Science Solutions for Exercise - Tamil Nadu Board Solutions for Chapter: Atomic Structure, Exercise 1: Evaluation
Attempt the free practice questions on Chapter 4: Atomic Structure, Exercise 1: Evaluation with hints and solutions to strengthen your understanding. Tamil Nadu Board Class 7 Science Term 1 solutions are prepared by Experienced Embibe Experts.
Questions from Tamil Nadu Board Solutions for Chapter: Atomic Structure, Exercise 1: Evaluation with Hints & Solutions
The subatomic particle revolving around the nucleus is:

_______ is positively charged.

The atomic number of an atom is _____

Nucleons consists of___________.

What are nucleons? Why are they called so? Write the properties of the nucleons.

Define valency. What is the valency of the element with atomic number ? What is the compound by the element with hydrogen?

An atom of an element has no electron, will that atom have any mass or not? Can an atom exist without electron? If so then give example.

Find what is common salt. Name the elements present in it. Write the formula of the common salt. What are the atomic number and mass number of elements? Write the ions in the compound?
