Write the formula for the ionic compound formed from magnesium and sulfur.
- Mayya Alocci
- Jan 11, 2024
- 1 min read
Write the formula for the ionic compound formed from magnesium and sulfur.
A) MgS B) MgS2 C) Mg2S D) MgS3 E) Mg3S2
Solution:
Writing Formula for Ionic Compounds
Separate your compound into two parts and write their formulas.
Identify the charges of the two parts. If you have a Roman numeral, that's the charge of the metal. Group 1= +1 Group 2 = +2 Group 16 = -2, Group 17= -1 Al= +3.
Cross multiply the numbers from the charges
Comments