Multiply the mass by the abundance and add each. Make sure to convert the percentage into a decimal. (49.946 * .043) + (51.941 * .838) + (52.941 * .095) + (53.939 * .024) = 51.99 round up using sig figs and the answer is c. 52.00 amu
Neon has filled its outer shells, therefore it is very stable and does not need to react with other elements and doesn’t form compounds.
Iodine and Calcium is the correct answer
Oxygen had 6 valence electrons
44g of CO2 can produce by the reaction of carbon with oxygen
