If an element has 3 valance electrons what row is it in?

What problem would a person have if the nucleic acid in one of his or her cells were damaged?

The reaction q+r2=r2q is found to be first order in r2 and

You have a sample of a gas that occupies a volume of 17ml at -111 degrees celsius. what volume does the sample occupy at 88 degrees celsius? show all work asap