How many atoms are represented in NH4

If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.

What happens to isotopes that are unstable?

What is the approximate vapor pressure when the gas condenses at 70 degrees celsius