List the qualities of the atmosphere that makes it safe to live on this planet

Five different substances are given to you to be dissolved in water. which substances are most likely to undergo dissolution in water? check all that apply. view available hint(s) check all that apply. sodium fluoride, naf octane, c8h18 propanol, ch3ch2ch2oh potassium iodide, ki benzene, c6h6

Can someone me out on this question for my national 5 chemistry homework

What is a for cio3-, the chlorate ion?