Sodium Ion Properties and Characteristics

The video tutorial explains how to determine the ionic charge of sodium. It begins by identifying sodium on the periodic table and noting its symbol, Na. The concept of ions is introduced, highlighting that ions have a positive or negative charge. Sodium, being in group one of the periodic table, forms a one-plus ion. The tutorial concludes with a recap of these points, emphasizing that elements in group one form ions with a one-plus charge.

What is the chemical symbol for sodium?

• S

• Na

• K

• Cl

What does the term 'ion' imply about an element?

• It is neutral.

• It has a charge.

• It is a gas.

• It is a liquid.

In which group of the periodic table is sodium found?

• Group 4

• Group 1

• Group 3

• Group 2

What charge does a sodium ion typically have?

• 0

• 1+

• 1-

• 2+

Why do we often not write the '1' in the charge of a sodium ion?

• It is assumed to be there.

• It is a mistake.

• It is not important.

• It is too small to matter.