Periodic Table Assessment

Front

What are the horizontal rows in the periodic table called?

Back

Periods

Front

What are the vertical columns in the periodic table called?

Back

Groups

Front

Which element is located in group 2 and period 5 of the periodic table?

Back

Strontium

Front

What is the chemical symbol for magnesium?

Back

Mg

Front

What is the atomic mass of the atom represented by the number 19?

Back

19

Front

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

Back

A period is a horizontal row of elements in the periodic table, indicating the number of electron shells.

Front

What is the definition of a group in the context of the periodic table?

Back

A group is a vertical column of elements in the periodic table, indicating elements with similar chemical properties.

Front

How many periods are there in the periodic table?

Back

There are 7 periods in the periodic table.

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 the atomic number in the periodic table?

Back

The atomic number represents the number of protons in an atom's nucleus and determines the element's identity.