Introduction to Atoms

Introduction to Atoms

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

1. What are the three main parts of an atom?

2. Which part of an atom has a positive charge?

3. The center of an atom is called the  .

4. Electrons orbit the nucleus in specific paths called  .

5. Atoms are the basic building blocks of all  .

6. Briefly describe the main idea of the Bohr model of the atom.

7. Label the parts of the atom shown in the diagram below:

8. Neutrons have a negative charge.

9. The atomic number of an element is determined by the number of protons.