True or false on atomic models

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   Thomson proposed the first model of the atom.

2. Statement is true

   No

   Statement

   Thomson placed all the charge in a nucleus.

3. Statement is true

   Yes

   Statement

   Rutherford put the mass in the nucleus.

4. Statement is true

   No

   Statement

   Bohr gave his theory in five postulates.

5. Statement is true

   Yes

   Statement

   A stationary state emits no radiation.

6. Statement is true

   No

   Statement

   Hydrogen ionisation energy is 3.4 eV.

Instructions

Decide whether each statement is true or false.

Explanation