Two or more elements combined chemically in fixed proportions which can be represented by formulae.
Do compounds have the same properties as their constituent elements?
No, they have different properties.
What are ions?
Ions are charged particles. They are formed when atoms lose electrons (positive ions) or gain (negative ions) electrons.
What is formed when a metal reacts with a non-metal?
An ioniccompound (made up of positive and negative ions).~
What is formed when a non-metal reacts with a non-metal?
A molecularcompound containing covalentlybonded atoms. Atoms share electrons, as opposed to transferring electrons between each other (ioniccompounds).