Periodic Table and Chemical Nomenclature Practice Test

The p.t. arranges elements by ____.

• increasing mass number

• increasing number of neutrons

• increasing number of protons

• increasing number of electrons

The rows and columns on the p.t. are called ___ and ___, respectively.

• ranks / files

• slides / slugs

• periods / groups

• clusters / families

Group 16 elements are called the ____.

• halogens

• chalcogens

• noblegens

• alkaligens

The most reactive metals on the p.t. are the _____.

• alkali metals

• transition metals

• actinide metals

• alkaline earth metals

The most reactive nonmetals on the p.t. are ____.

• ignoble gases

• noble gases

• chalcogens

• halogens

How many valence electrons does this atom have?

• 2

• 5

• 8

• 15

What is the mass number for this isotope?

• 4

• 5

• 6

• 10

• 14

What is the charge on this ion?

• 2+

• 2-

• -

• +

Answer explanation

The protons are orange!

What is the charge on this ion?

• +3

• 2+

• -3

• 2-

Answer explanation

The protons are orange!

What group of elements does this atom belong to?

• group 1

• group 2

• group 16

• group 17