periodic trends

Question 0

The energy required to remove an electron from an atom.

Answer 0

Ionization energy

Question 1

The radius of an atom ( since the electron cloud accounts for the volume of the atom, this is primarily the radius of the electron cloud).

Answer 1

Atomic radius

Question 2

A measure of the ability of an atom in a chemical compound to attract electrons.

Answer 2

Electronegativity

Question 3

A positively charged ion, formed when an atom loses one or more electrons.

Answer 3

Cation

Question 4

A negatively charged ion, formed when an atom gains one or more electrons.

Answer 4

Anion

Question 5

Decreases across a period and increases down a group.

Answer 5

Atomic radius

Question 6

Increases across a period and decreases down a group.

Answer 6

Ionization energy and electronegativity

Question 7

…. Are smaller than the atom from which they were formed.

Answer 7

Cations

Question 8

….. Are larger than the atom from which they were formed.

Answer 8

Cations