Study the information in he Table and answer the questions that follow. The elements belong to the same chemical family. (The letters are not actual symbols of the elements)
Element | Atomic radius (nm) | Ionic radius (nm) | Ionisation energy kJ/mol |
L | 0.157 | 0.095 | 494 |
K | 0.203 | 0.133 | 418 |
M | 0.123 | 0.060 | 519 |
N | 0.235 | 0.169 | 376 |
- Classify the elements as either metals or non-metals. Give a reason.
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- Identify the element which is
- least reactive
- most reactive
- Give a reason for the answer 2 (1)