An aluminum sample has a mass of 80.1 g and a density of 2.70g/cm3 . according to the date to what number of significant figures should the calculate volume of the aluminum sample be expressed?

What is the formula for the molecular compound nitrogen monoxide

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.

How many grams of magnesium metal will react completely with 8.3 liters of 5.5m hcl? show all work