Periodic Table of Elements

Front

What do you call the horizontal row of elements in a periodic table of elements?

Back

Period

Front

Most of the elements on the periodic table are classified as _____?

Back

Metals

Front

What does the C represent in the periodic table?

Back

Chemical symbol

Front

What does the 6 represent in the periodic table?

Back

Atomic number

Front

Which is a halogen?

Back

Chlorine

Front

What is the vertical column of elements in a periodic table called?

Back

Group

Front

What is the term for elements that have properties of both metals and nonmetals?

Back

Metalloids

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the significance of the atomic mass in the periodic table?

Back

It represents the average mass of an element's isotopes.

Front

What are noble gases?

Back

Elements in Group 18 that are colorless, odorless, and inert.