An equal number of moles of NaCl and MgF2 are dissolved in equal volumes of water. Which solution has the higher a. boiling point b. vapor pressure c. freezing point + 2 extra points if you can explain why.

Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains

How many atoms or molecules are there in a mole of a substance?