Elements & The Periodic Table

Front

What is a valence electron?

Back

Electrons in the outermost energy level of an atom.

Front

Do all elements in the same row of the periodic table have the same number of shells?

Back

True

Front

Where is the nucleus of an atom located?

Back

In the center of the atom.

Front

What is the name for an ion with a positive charge?

Back

Cation.

Front

What do one or two letters that represent the name of an element refer to?

Back

Element symbol.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is an anion?

Back

An ion with a negative charge.

Front

What is the periodic table?

Back

A tabular arrangement of elements organized by increasing atomic number.

Front

What are groups in the periodic table?

Back

Columns of elements that have similar chemical properties.

Front

What are periods in the periodic table?

Back

Rows of elements that have the same number of electron shells.