Atoms bingo

Exercise and reference answers

Clues and terms

1. Clue

   Wrote the postulates.

   Item

   Dalton

2. Clue

   Found the electron.

   Item

   Thomson

3. Clue

   Measured its charge.

   Item

   Millikan

4. Clue

   Fired at gold foil.

   Item

   Rutherford

5. Clue

   Small, heavy, positive.

   Item

   Nucleus

6. Clue

   Counts the protons.

   Item

   Atomic number

7. Clue

   Charged atom.

   Item

   Ion

8. Clue

   Lost an electron.

   Item

   Cation

9. Clue

   Gained an electron.

   Item

   Anion

Instructions

Read each clue and tap the term it describes.

Explanation