Answer:
Two elements because Can is one element and Cl is another. The two is a coeficient that states how many of that element there is.
I hope this helps you!!!
The formula is SrCl2. hope this helps
Answer:
Limiting - Na Excess - Cl2
Explanation:
Answer:
First one: group
Second one: period
Third one: number of valence electrons
Last one: increases
Here it is. Radon is the heaviest gas element