Write any two observation which support the fact that atoms are divisible.

State two observations which show that atom is not indivisible.

Write any two observations in an activity which may suggest that a chemical reaction has taken place. Give an example in support of your answer.

Write down a chemical reaction in support of the fact that sulphuric acid has low volatility.

Write any two observations of the photoelectric effect experiment.

Write any observations in an activity which may suggest that a chemical reaction has taken place. Give an example in support of your answer.

Write any two drawbacks of the Rutherford model of an atom.

The fact that supports the concept that viruses are living is that they