The periodic table used today arranges elements in order by which of the following?Number of isotopesAtomic massAtomic numberPhase of matter

How are the elements arranged in the modern periodic table?A.According to atomic numberB.According to atomic massC.According to the number of neutronsD.According to the number of electrons

In the periodic table, chemical elements are ordered by:A. number of protonsB. alphabetical orderC. abundance in the universeD. sizeE. year of discovery

In the modern periodic table, elements are arranged in order of:A  increasing atomic massB  increasing number of neutronsC  increasing atomic numberD  increasing atomic radius*1 pointABCD

Isotopes of an element differ in their:A. atomic numberB. number of neutronsC. position in the Periodic TableD. electronic arrangement

In the modern periodic table, the elements are arranged