Y9 Topic 1 Flashcards
What ls an atom?
The smallest particle of a chemical element that exists
What is a molecule?
A group of 2 or more different atoms chemically combined
What is a compound?
A substance that contains 2 or more elements that are chemically combined
What is a element?
A substance that is made up of only 1 type of atom
What is an electron?
Found in all atoms and has a charge of negative one
What is a proton?
A particle found in the nucleus of an atom. It has a one plus charge
What is a neutron?
Particles in atoms that have a neutral charge. And a relative mass of one
What is a solution?
A solution is when a solute is dissolved in a solvent.
What is a solvent?
The liquid in which a substance is dissolved.
What is a solute?
A soluble substance which dissolved.
Definition of a balanced chemical equation.
an equation for a chemical reaction in which the number of atoms for each element are the same for both the reactants and the products
What is a reactant?
The substances which participate in a chemical reaction
What is a product?
The chemical substances which are formed due to a chemical reaction between two or more chemical substances
Miscible
Liquids that can mix together (e.g. alcohol + water)
Immiscible
Liquids that Cannot mix together (e.g. oil + water)
