1. Se^2-
2. I^-
3. Sr^2+
4. F^-
Can anyone do these and explain how they did them?!
2. I^-
3. Sr^2+
4. F^-
Can anyone do these and explain how they did them?!
-
if the ion is +, start at the element and go back until you hit the noble gas
if the ion is -, start at the element and go forward until you hit the noble gas.
Se 2- = Kr
I- = Xe
Sr 2+ = Kr
F- = Ne
if the ion is -, start at the element and go forward until you hit the noble gas.
Se 2- = Kr
I- = Xe
Sr 2+ = Kr
F- = Ne