Explain how a covalent bond holds two atoms together.
The electrostatic forces of attraction between the shared pair of bonded electrons and the positively charged nuclei hold the atoms together.
AR
Related Chemistry GCSE answers
All answers ▸Why do acids have low pHs and alkaline solutions have high pHs?
What factors increase rate of reaction? (For a reaction between two reagents in solution)
In a titration, 50 cm3 of sodium hydroxide with a concentration of 0.3 mol/dm3 was neutralised by 60 cm3 of hydrochloric acid. Calculate the concentration of the hydrochloric acid in mol/dm3.
Describe how elements are arranged in the periodic table