Question

question 10 of 10
how are the elements arranged in the modern periodic table?
a. according to the number of electrons
b. according to the number of neutrons
c. according to atomic mass
d. according to atomic number

Explanation:

In the modern periodic table, elements are arranged based on their atomic number (the number of protons in the nucleus). This arrangement helps in organizing elements with similar chemical properties together. The atomic number determines the position of an element in the periodic table.

Answer:

D. According to atomic number