Plzz help me 14. An element that emits energy by nuclear decay is

A. radioactive.

B. an ion.

C. an anion.

D. a cation.

How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate

What is the pressure of 0.500 moles of carbon dioxide gas in a 2.5 l tank and at a temperature of 301 k? (r=0.0821 l·atm/mol·k) 3.08 atm 1.2 atm 0.23 atm 4.01 atm 4.94 atm

What is bromine+calcium iodide--> calcium bromide +iodine balanced