Periodic Chart

What are the elements in group 2 of the periodic table called?

• Alkali metals

• Alkaline earth metals

• Halogens

• Noble gases

What are the elements in group 18 (the far right) of the periodic table called?

• Alkali metals

• Alkaline earth metals

• Halogens

• Noble gases

What are the elements in group 17 of the periodic table called?

• Alkali metals

• Alkaline earth metals

• Halogens

• Noble gases

What are the elements in groups 3-12 of the periodic table called?

• Transition metals

• Non-metals

• Metalloids

• Metals

What are the elements found along the "staircase" called? They have properties of both metals and non-metals.

• Metalloids

• Non-metals

• Transition metals

• Metals

Hydrogen is a:

• Alkali metal

• Metalloid

• Non-metal

• Noble gas

The number of protons in the nucleus of an atom is equal to the:

• Atomic number

• Atomic mass

• Number of neutrons

• Number of valence electrons

The total number of protons and neutrons in an atom's nucleus is equal to the:

• Atomic number

• Atomic mass

• Number of valence electrons

• Number of electron shells

The number of electron shells an atom has is equal to the element's:

• Period number

• Group number

• Valence number

• Atomic number

What is the atomic mass?

• 58.693

• 28