Name two elements that have properties similar to those of beryllium, be, and have average atomic masses higher than 130

At 300 mm hg, a gas has a volume of 380 l, what is the volume at standard pressure

In water, a strong acid will break down into its component parts. a. completely b. partly c. never in water, a weak base will break down into its component parts. a. completely b. partly c. never

In in , is to a 28.4-g (1-oz)−23.0 °c to −1.0 °c?