Arrange each set of atoms in order of decreasing IE1: a. Na, Li, K.
b. Be, F, C.
c. Cl, Ar, Na.
d. Cl, Br, Se.

1. Which atom has the highest IE1?
2. Which atom has the lowest IE1?

Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both

Which answer tells the reason the earth’s climate is getting warmer? too many animals are becoming extinct. large glaciers are melting in antarctica. the earth is moving closer to the sun. driving cars gives off gases that trap heat in the atmosphere.

Astudent pours 10.0 g of salt into a container of water and observes the amount of time it takes for the salt to dissolve. she then repeats the process using the same amounts of salt and water but this time she slowly stirs the mixture while it is dissolving. the student performs the experiment one more time but this time she stirs the mixture rapidly. the dependent variable in this experiment is: time for salt to dissolve speed of stirring amount of water mass of salt