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 ▸

You are given a clear solution that is either an alkene or an alkane. Describe a test using bromine water that you could use to determine whether it is an alkene or alkane solution.


ii) The maximum permitted sulfate concentration in water is 250mg dm^-3, 200cm^3 of aqueous BaCl2 is added to 300cm^3 of water at the maximum permitted sulfate level, and a white precipitate formed. Calculate the minimum conc. (mol dm^3)of the BaCl2


Write an equation for the incomplete combustion of dodecane to produce gaseous products only.


State and explain the general trend in the first ionisation energies of the Period 2 elements Lithium to Fluorine.