chlorine has an atomic mass of 18.99 and has two more protons than nitrogen which has seven how many neutrally charged subatomic particles does fluorine have?(A) 7 (b)9 (C)19 (D) 18.00

Calculate the estimated density of each ball. use the formula d = m/v where d is the density, m is the mass, and v is the volume. record your calculations in table a of your student guide. given that the density of water is 1.0 g/cm3, make a prediction about whether each ball will float in water. record your prediction in table a. what is the estimated density of the table tennis ball? record your answer to the nearest hundredth

If i had 2 m naoh solution, what does the 2 m stand for? 2 molar, but 2 of a solute in 1

Which molecules are more strongly attracted to one another -c3h8o molecules that make up liquid rubbing alcohol or ch4 molecules that make up methane gas