Which one of the three compounds listed will decompose at the lowest temperature?
Important Questions on Group 2
Which one of the three compounds listed will decompose at the lowest temperature?
Write balanced chemical equation including state symbols, for the thermal decomposition of strontium carbonate.
Write balanced chemical equation including state symbols, for the thermal decomposition of barium nitrate.
Which row of the table is correct, A, B, C or D?
| Row | Trend in reactivity of elements going down Group 2 |
Trend in solubility of |
Trend in solubility of |
| A | increases |
decreases |
increases |
| B | decreases | decreases | increases |
| C | increases | increases | decreases |
| D | decreases | increases | decreases |
Beryllium is a Group 2 element. Write the electronic configuration of beryllium.
Beryllium and radium are both in Group 2. Give the equations for the reactions of beryllium and radium with oxygen.
Beryllium is a Group 2 element. Using dot-and-cross diagrams, and showing the outer electrons only, draw the electronic configurations of beryllium and oxygen before and after bonding.
