Quiz 1

Question 1

Atomic Radius

Answer 1

A measurement of the size of the atom
Usually expressed in picometres (pm)
Distance from the centre of an atom to the outermost electrons
Gets larger as you go down a group
Gets smaller going left to right in a period

Question 2

Ionization Energy

Answer 2

The quantity of energy required to remove an electron from an atom or ion in the gaseous state
kJ/mol

Question 3

First ionization energy

Answer 3

Energy required to remove the most loosely held electron from an atom or ion
(Valence electrons)

Question 4

Electronegativity

Answer 4

The ability of an atom to attract bonding electrons to itself
Gets smaller as you go down a group
Gets larger going left to right in a period

Question 5

Binary Ionic Compound

Answer 5

A compound that consists of ions of only two elements

Ex: Sodium Chloride (NaCl)

Question 6

Polyatomic ionic compound

Answer 6

A compound that consists of ions of more than two elements

Question 7

Oxyanion

Answer 7

Negatively charged polyatomic ion that contains oxygen