According to Mendeleev’s Periodic Law, the elements were arranged in the periodic table in the order of
A. increasing atomic number
B. decreasing atomic number
C. increasing atomic masses
D. decreasing atomic masses.
Answer:C
According to Mendeleev’s Periodic Law, the elements were arranged in the periodic table in the order of
A. increasing atomic number B. decreasing atomic number C. increasing atomic masses D. decreasing atomic masses.