The Relationship between the Periodic Table and Atomic Structure

Front

What determines the number of valence electrons in an element?

Back

The Group number of the element in the Periodic Table.

Front

Which subatomic particles contribute to the overall charge of an atom?

Back

Electrons and protons.

Front

How can you determine the number of valence electrons for elements in Groups 13-18?

Back

Use the formula: Group # - 10.

Front

What is the total charge of a neutral atom?

Back

Zero.

Front

Which subatomic particle carries a positive charge?

Back

Proton.

Front

What is the role of neutrons in an atom?

Back

Neutrons contribute to the mass of the atom but do not affect its charge.

Front

How are elements arranged in the Periodic Table?

Back

Elements are arranged by increasing atomic number.

Front

What is the significance of the Period number in the Periodic Table?

Back

The Period number indicates the number of electron shells in an atom.

Front

What is the relationship between an element's Group number and its valence electrons?

Back

Elements in the same Group have the same number of valence electrons.

Front

What is the charge of an electron?

Back

Negative.