22-02-2021
Chemistry

contestada

The arrangement of elements in the Modern periodic table is based on their________

A) increasing atomic mass in the period
B) increasing atomic number in the horizontal rows
C) increasing atomic number in the vertical columns
D) increasing atomic mass in the group

Respuesta :

rikkielencarnacion47 rikkielencarnacion47

22-02-2021

Answer:

c

Explanation:

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