Which atom is likely to form a +2 ion

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.

Match the mixture with the substance// i really need on this guys (it’s a pic btw)

According to the tide table below what time of day will the highest tide occur? (2 pt) the highest tide will occur at