Answer:
hydrgen = i think it is 4
oxygen = i think it is 3
Explanation:
13 because an atom has the same number of protons as neutrons
Answer: -40
Explanation: Percent error is calculated by subtracting the value you actually recieved from the literature value (175 in your case) SO your answer should be 135-175=-40.
The protons and neutrons are located in the nucleus of an atom, while the electrons are located in the orbital cloud. <span />