Periodicity

Question 1

Periodicity

Answer 1

Pattern in the change in the properties of a row of elements, repeated in the next row

Question 2

First ionisation energy

Answer 2

The energy required to remove 1 mole of electrons from 1 mole of atoms in the gaeous state

Question 3

Electronegativity

Answer 3

The power of an atom to attract the pair of electrons in a covalent bond

Question 4

Whats the most electronegative element

Answer 4

Fluorine

Question 5

Disproportionation

Answer 5

When an element is both oxidised and reduced in the same reaction