Answer:
73.46839716589713698731965
Explanation:
HCI is one of the most common acids out of the following
Your answer is 2 goes to the right and twice to the left
D, democritus is the answer i got
Mass of electrons are not included when calculating the atomic mass of element. Atomic mass of the element is equal to proton + neurons. Example the the mass number of Nitrogen can be calculated as 7 protons + 7 neutrons to give 14 . thus nitrogen has a mass number of 14