Describe the bonding in a water molecule.

The molecular formula for water is H20. Two hydrogen atoms and one oxygen atom form a covalent bond. Hydrogen is slightly positively charged and is attracted to oxygen which is slightly negatively charged. The atoms share outer shell electrons to obtain a full outer shell, making the molecule stable.

ES

Related Chemistry GCSE answers

All answers ▸

Explain how crude oil is split into fractions? Give an example of a substance collected at the top of the column. [5 marks]


Describe the structure, bonding and properties of diamond


The relative formula mass of CaO is 56 and the relative formula mass of CO2 is 44. What is the mass of CaO that can be obtained from 200 g of CaCO3. CaO3 -> CaO + CO2


Balance the chemical equation: AgI + Na2S → Ag2S + NaI