True or False: The halogens are nonmetals with a -1 charge.

True

False

An experimental procedure requires a 10 ml of acid to be dissolved

21. consider the following chemical reaction: n2+ o2 2 no if 10.0 g of n2 reacts with excess oxygen then how many grams of no can be formed? a) 10.7 g b) 21.4 g c) 32.9 g d) 42.8 g page 4 of 8

When the mercury level in a barometer decreases that atmospheric pressure has