Use the mass and volume data to calculate the density of mercury to the nearest tenth. mass = 57 g volume = 4.2 ml the density of mercury is g/cm3.

100 points answer quick 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.

If 1.8 l of water is added to 2.5l of a 7.0 m koh solution, what is the molarity of the new solution

Avariable that is not being directly tested during an experiment should be changed varied experimented controlled