This attraction pulls the atoms together and the electrons are shared by both atoms. The atoms bond because there is a strong enough attraction in both directions and room for the electrons in the ...

Changes of state: interactive activity - AQA Learn about changes of state from melting, evaporating and boiling with this interactive activity designed for the GCSE AQA chemistry specification.

In the water molecule, the oxygen and hydrogen atoms share electrons in covalent bonds. There are a total of 10 protons and 10 electrons, so the water molecule is neutral. The electron cloud model ...

Energy is required to break a covalent bond between two atoms ... The opposite is true if we want to make new bonds. Energy is released when new chemical bonds are formed, so bond making is ...