Periodic Table Vocabulary

The ____________ is the number of protons in the nucleus of an atom

• Atomic mass

• Atomic number

• Energy level

• Family or Group

Number of protons and neutrons in the nucleus.

• Atomic number

• Atomic family

• Atomic mass

• Atomic group

A horizontal row in the periodic table is called________.

• Period

• Energy level

• Family

• Group

A vertical column of elements on the periodic table is called______.

• Group

• Period

• Atomic mass

• Metals

These elements that are good conductors of electric current and heat.

• Metalliods

• Gases

• Nonmetals

• Metals

These elements that are poor conductors of heat and electric current.

• Metals

• Nonmetals

• Metalliods

• Gases

These elements have properties of both metals and nonmetals.

• Metalliods

• Metals

• Gases

• Nonmetals

What is the one-, two-, or three-letter abbreviation of the name of an element called?

• Atomic mass

• Atomic number

• Chemical symbol

• Hydrogen

What is the line that separates metals from nonmetals called_________?

• Border line

• Zip line

• Front line

• Zig Zag line

What are the seven chemical elements that make up Group 18?

• Nobel gases

• Bloom gases

• Metalliods

• Liquid Gases