Ionic Charges and Barium Properties

The video tutorial explains the ionic charge of barium (Ba) by examining its position on the periodic table. Barium is in group two, which means it forms ions with a two-plus charge by losing two electrons. The video also discusses how elements in different groups form ions with varying charges and how these ions interact to form ionic bonds. The tutorial concludes by confirming that barium has a two-plus charge when it forms ions.

What is the main focus of the video?

• The history of barium

• The ionic charge of barium

• The uses of barium in industry

• The atomic structure of barium

Which group in the periodic table forms ions with a one plus charge?

• Group 4

• Group 3

• Group 2

• Group 1

What charge does barium have when it forms ions?

• Four plus

• Three plus

• One plus

• Two plus

How many electrons does barium lose to form its ionic charge?

• Two electrons

• One electron

• Three electrons

• Four electrons

What type of bond is formed between a positive and a negative ion?

• Covalent bond

• Hydrogen bond

• Ionic bond

• Metallic bond