Ionic Bonds and Strontium Properties

The video tutorial explains how to determine the ionic charge of strontium using the periodic table. It highlights the general trend of ionic charges across different groups, focusing on group 2 elements like strontium, which form 2+ ions by losing two electrons. The process of ionic bond formation is also discussed, emphasizing the attraction between positive and negative ions. The video concludes by reiterating that strontium has a 2+ ionic charge.

What is the main focus of the video?

• The atomic mass of strontium

• The covalent bonds of strontium

• The ionic charge of strontium

• The isotopes of strontium

Which group in the periodic table forms ions with a 2+ charge?

• Group 2

• Group 13

• Group 1

• Transition metals

What happens to strontium when it forms ions?

• It loses two electrons

• It gains two electrons

• It loses one electron

• It gains one electron

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

• Metallic bond

• Hydrogen bond

• Covalent bond

• Ionic bond

What is the ionic charge of strontium?

• 0

• 3+

• 2+

• 1+