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A molecule which donates electrons

A saturated hydrocarbon is a molecule made up of hydrogen and carbon only and only contains single carbon to carbon bonds.

Hydrogen bonding

The first ionisation energy is the energy required to move one mole of electrons from one mole of atoms in its gaseous state.
The outer electron in Potassium is in the 4s orbital, which is further aw...

To tackle any question like this, you should first write out the reaction formula (I would do this on the whiteboard). You can see from this that the ratio between the reactant and product is 1:1. You can...