What is the ionic formula for potassium and chlorine

What happened in 2012 and how does it illustrate the importance of understanding the sun and how it works?

In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false

Calculate the mass of carbon in 97.0 g of sucrose c12h22o11