Answer:
i
b because it says it in the question
yes because its kind of like a seesaw if theres too much on one side its unbalance there has to be the same amount of atoms on each side
Answer:
Mg+2HCL-Magnesium Chloride +Hygrogen

Explanation:
N.O of moles=Mass\Molar Mass
192÷24=8
1:1
8×2=16
Answer: The atomic number is the number of protons in an atom of an element. In our example, krypton's atomic number is 36. This tells us that an atom of krypton has 36 protons in its nucleus.
Explanation: