How many moles are there in 1.3 x 1024 atoms of calcium?
a. 0.05 moles of ca
b. 84.18 moles of ca
c. 2.2 moles of ca
d. 3.5 x 10-24 moles of ca

Liv sheldon given the balanced equation for an organic reaction: c2h2 + 2cl2 → c2h2cl4 this reaction is best classified as *

Which other elements contain the same number of outer electrons as sodium

Chemical energy is a form of a. kinetic energy only. b. both potential and kinetic energy. c. neither potential nor kinetic energy. d. potential energy only. reset