Question

question 12 of 25
how are the elements arranged in the current periodic table?
a. in order of increasing number of electrons
b. in order of increasing average atomic mass
c. in order of increasing atomic number
d. in order of increasing number of neutrons

Explanation:

The modern periodic table arranges elements by increasing atomic number (number of protons in the nucleus). This arrangement leads to a periodic recurrence of chemical properties.

Answer:

C. In order of increasing atomic number