Groups and Periods Flashcard Practice

Front

What does the period number indicate in the periodic table?

Back

The period number tells you the number of energy levels in an atom.

Front

What does the group number indicate in the periodic table?

Back

The group number tells you the number of valence electrons in an atom.

Front

What are the rows on the periodic table called?

Back

The rows on the periodic table are called periods.

Front

What element is in group 1, period 1? (Type element symbol as your answer)

Back

H (Hydrogen)

Front

What element is in group 18, period 2? (Type element symbol as your answer)

Back

Ne (Neon)

Front

How many groups are there in the periodic table?

Back

There are 18 groups in the periodic table.

Front

What is the significance of valence electrons?

Back

Valence electrons determine how an element reacts chemically.

Front

What is the difference between a group and a period?

Back

A group is a column in the periodic table, while a period is a row.

Front

Which group contains the noble gases?

Back

Group 18 contains the noble gases.

Front

What is the first element in group 2? (Type element symbol as your answer)

Back

Be (Beryllium)