Periodic Table Basics Review

Front

What are the vertical columns on the periodic table called?

Back

Groups

Front

What do the vertical columns on the periodic table tell us?

Back

The number of valence electrons (electrons on the outermost shell)

Front

What are the horizontal rows on the periodic table called?

Back

Periods

Front

What is a period in the context of the periodic table?

Back

A horizontal row of elements in the periodic table.

Front

What is atomic mass?

Back

The weighted average mass of an element's isotopes, typically expressed in atomic mass units (amu).

Front

What is the significance of groups in the periodic table?

Back

Elements in the same group have similar chemical properties and the same number of valence electrons.

Front

How many groups are there in the periodic table?

Back

There are 18 groups in the periodic table.

Front

What is the difference between metals and nonmetals in the periodic table?

Back

Metals are typically shiny, conductive, and malleable, while nonmetals are dull, insulative, and brittle.

Front

What are metalloids?

Back

Elements that have properties of both metals and nonmetals.

Front

What is the atomic number?

Back

The number of protons in the nucleus of an atom, which determines the element's identity.