Atomic Models Worksheet

Atomic Models Worksheet

Read each question carefully and answer to the best of your ability.

An atom is the basic unit of matter. For centuries, scientists have developed models to understand its structure. One common model is the Bohr model, which shows electrons orbiting a central nucleus.

1. What is the central part of an atom called?

2. Which subatomic particle orbits the nucleus?

3. The word 'atom' comes from the Greek word 'atomos', meaning  .

4. Protons have a   charge.

5. Neutrons have   charge.

6. All atoms of the same element have the same number of protons.

7. Electrons are found inside the nucleus.

8. Briefly describe the main difference between a proton and an electron in terms of charge and location.