5 is equal to 4 times that number

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 term is missing from the central region that describes hypotheses, theories, and laws? popular predictable mathematical falsifiable

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.