Compounds, Formulae and Equations Flashcards
1
Q
Define the term ‘anion’
A
A negatively charged ion
2
Q
Define the term ‘cation’
A
A positively charged ion
3
Q
Define the term ‘empirical formula’
A
The simplest whole number ratio of atoms of each element in a compound
4
Q
Define the term ‘molecular formula’
A
The actual number of each type of atom in a compound
5
Q
Define the term ‘molecule’
A
A small group of atoms held together by covalent bonds e.g. H20, Cl2, CH4 etc
