1.24 moles of NaF is needed for a chemical reaction, how many grams should be weighed out? Show your calculations in an organized way with dimensional
analysis handwritten on a sheet of paper.

Which element in the third period would you expect to have the larger atomic radius, sodium (na) or sulfur (s)? a. sodium, because it has a higher effective nuclear charge attracting electrons in fewer energy levels. b. sodium, because it has fewer protons attracting electrons in the same energy levels. c. sulfur, because it has more protons attracting electrons in more energy levels. d. sulfur, because it has a higher effective nuclear charge attracting electrons in the same energy levels.

At room temperature what happens to the average kinetic energy of the molecules of a solid, liquid, and a gas

The excretory system,need answers for all: )