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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

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