What is the frequency of light that has an energy of 1.8 x 10-15 j? 6.626 x 10-34 js 2.7 x 1018 hz 3.7 x 10-19 hz 1.2 x 10-48 hz

As you move from right to left on the periodic table the atomic radius fill in the blank

Harvey kept a balloon with a volume of 348 milliliters at 25.0˚c inside a freezer for a night.  when he took it out, its new volume was 322 milliliters, but its pressure was the same.  if the final temperature of the balloon is the same as the freezer’s, what is the temperature of the freezer? the temperature of the freezer is  kelvins.

Afamily is one another name for a group on the table of elements.