Answer:
I believe it's false because the atomic number is the number of protons in the nucleus of an atom.
Answer:
I might next year with my cuz and nex year ima be in 8th
Explanation:
Dmitri Mendeleev, he realized that the physical and chemical properties of elements were related to their atomic mass and arranged them into groups (columns)
Answer: ok ill just take my points in dip
Explanation:
Moving the electron away from the nucleus requires energy, so the electrons in the outer shell will have more energy than ones in the inner shell. Electrons always have a charge of -1, so the charge in the inner and outer shell will be the same. Therefore the answer is 3
