Definitions

Question 1

What is meant by the term “ionic bonding”?

Answer 1

A type of linkage formed from the electrostatic attraction between oppositely charged ions in a chemical compound

Question 2

What is meant by the term ‘relative atomic mass”?

Answer 2

The simplest ratio of the average mass of one atom of an element compared to the mass of an atom of carbon-12

Question 3

What is meant by the term ‘relative isotopic mass’?

Answer 3

The simplest ratio of the mass of an isotope compared to the mass of an atom of carbon-12

Question 4

What is meant by the term ‘covalent bond’?

Answer 4

A bond between two non-metals that share a pair (or pairs) of electrons on their outer shells

Question 5

What is meant by the term ‘dative covalent bond’?

Answer 5

A bond between two non-metals where they share a pair (or pairs) of electrons on their outer shells, the electrons of which are all provided by one of the non-metal atoms

Question 6

What is meant by the term ‘disproportionation reaction’?

Answer 6

Same element is both oxidized and reduced

Question 7

What is meant by the term ‘molar mass’?

Answer 7

Relative atomic mass (Ar) of an element

Relative formula mass (Mr) of a compound

Question 8

What is meant by the term ‘empirical formula’?

Answer 8

The simplest whole number ratio of atoms of each element present in a compound

Question 9

What is meant by the term ‘molecular formula’?

Answer 9

The actual number and type of atoms of each element in a molecule of a compound

Question 10

What is meant by the term ‘oxidation state/number’?

Answer 10

The number of electrons in an element involved in bonding (with other elements)