select the correct answer. how does the modern periodic table arrange elements? a. by atomic mass b. by…

select the correct answer. how does the modern periodic table arrange elements? a. by atomic mass b. by atomic number c. by number of isotopes d. by electron mass
Answer
Brief Explanations:
The modern periodic table arranges elements in ascending order of their atomic numbers. Atomic number is the number of protons in an atom's nucleus and determines an element's position in the table.
Answer:
B. by atomic number