Define the term Covalent Bond

A covalent bond is formed by a shared pair of electrons between two atoms.

RO

Related Chemistry A Level answers

All answers ▸

PharmaPlus, a drug developer, is required by law to carry out clinical trials on the novel drug ‘AccuPreasure’. AccuPreasure is to be marketed for control of high blood pressure. Give three questions that clinical trials are designed to answer.


Explain the position and numbering system of elements on the periodic table.


How to write a redox equation from half equations


Describe the changes in equilibrium of ethanol production from ethene and water (enthalpy of reaction is ∆H = - 46 kJ/mol) when: (a) a high pressure is applied; (b) ethanol concentration is increased; (c) temperature is increased; (d) a catalyst is used.