Choose all the answers that apply. Fluorine (F) has an atomic number of 9 and an atomic weight of 18.99. Fluorine has .

A) at least one isotope
B) 10 neutrons
C) 18 electrons
D) 9 protons
E) an atomic mass of 19

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

How do you convert celsius to kelvins

What kind of intermolecular forces act between a hydrogen fluoride molecule and a hydrogen peroxide molecule? note: if there is more than one type of intermolecular force that acts, be sure to list them all, with a comma between the name of each force.