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Unsaturated hydrocarbons contain at least one carbon carbon double bond, the simplest is the alkene. They are more reactive than saturated hydrocarbons because they have the ability to...

An atom has the same number of protons and electrons so an atom has no overall electric charge.

If an atom loses or gains electrons it b...

The formula of the metal oxide is MO, which means there is only one oxygen atom bonded to the metal. The Mr of a compound is the sum of Ar of the elements that make up the compound. So, from this we ca...

The material is made up from nylon laminated with a PTFE / polyurethane membrane. The membrane is too fragile on its own hence why it is com...

Reactivity increases down the group.

This is because the outer electron in each atom is further away from the nucleus as you go down the group and so the electrostatic forces between the ...