Calculate the masses.
(a) what is the mas of 4.00 cm3 of sodium, density = 0.97 g/cm?
(b) what is the mass of 125 ml gaseous chlorine, density = 3.16 g/l?

How can you use chemical equations to predict the products of the reaction you can carry out?

What are the 4 phases of matter in order of increasing engery content?

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.