Which of the following is a property of an acid?
a. sour taste
b. nonelectrolyte
c. strong color
d. slippery feel

Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?

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