Work the bonding numbers

Exercise and reference answers

Questions

1. Answer

   6

   Question

   Neighbouring ions each ion touches in NaCl

2. Answer

   769

   Question

   kJ to dissociate one mole of solid NaCl

3. Answer

   436

   Question

   kJ to break the bonds in one mole of H2

4. Answer

   7

   Question

   Valence electrons a chlorine atom starts with

Instructions

Work out each value and key the number in.

Explanation