If the average atomic mass of carbon is 12.011, which isotope would likely be found more in nature, carbon-12 or carbon-14?

Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.

What is the molarity of 60.0 grams of naoh dissolved in 750 milliliters of water? a) 1.1 m b) 2.0 m c) 12 m d) 75 m

Why does a plastic bottle that is sealed at a high altitude change it’s shape when taken to lower altitude