Halocarbons form by substituting a hydrogen atom of an Alkane molecules with elements from the halogen group. Hallow carbons have different boiling points than the original alkane molecules arrange the hallow carbons in increasing order of the boiling points. Chloromethane iodomethane bromomethane fluoromethane

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.

How will the emission of an alpha particle affect the atomic number of an atom

What is a possible quantum number set for an electron in the 3s orbital of a magnesium atom