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 ▸CO(g) + 2H2(g) ⇌ CH3OH(g). A pressure of 100 atmospheres is used instead of atmospheric pressure. The higher pressure gives a greater yield of methanol and an increased rate of reaction. Explain why.
Describe how and explain why vegetable oils are hardened for use in foods
Describe the trend in boiling point of the halogens.
When nitrogen and hydrogen react in the Haber process the reaction can reach a dynamic equilibrium. Explain what is meant by the term dynamic equilibrium.