PLZ HELP According to the atomic model Which particles are found In the same part of the atom a. protons electrons neutrons
B. protons and neutrons
C. protons and ​electrons
D. electrons and neutrons​

What is the mass of 8 moles of sodium atoms

Achemist reacted 57.50 grams of sodium metal with an excess amount of chlorine gas. the chemical reaction that occurred is shown. na + cl2 → nacl if the percentage yield of the reaction is 86%, what is the actual yield? show your work, including the use of stoichiometric calculations and conversion factors.

The mass of an object will be the same on the earth as it is on the moon. need asap