PLEASE ANSWER ASAP WILL MARK BRAINLIEST!!

The periodic table ____

a.) is arranged by atomic mass

b.) was developed by early alchemists

c.) is arranged by number of protons

Respuesta :

Answer:

c. is arranged by number of protons

Explanation:

The periodic table is arranged by the atomic number which is the number of protons in the nucleus.

C. In a periodic table arranged in order of increasing atomic number elements having similar chemical properties naturally lined up in the same column