True or False a bond is a chemical attraction between two atoms?

In which block of the periodic table is uranium (u) found? s blockd blockp blockf block

When can a hypothesis be elevated to the status of a theory? a) when it is validated by an experiment b) when data gathered from an experiment precisely fits predictions c) when it can be proved to be true d) when it meets the test of repeated experimentation

2h2o2 → 2h2o + o2 synthesis decomposition combustion