Question

Dmitri Mendeleev developed a chart-like arrangement of the elements called the ______ . He stated that if the elements were listed in order of increasing ______, their properties repeated in a regular manner. He called this the ______ of the elements. The arrangement used today differs from that of Mendeleev in that the elements are arranged in order of increasing ______. Each horizontal row of elements is called a(n) ______. Each vertical column is called a(n) ______, or , because of the resemblance between elements in the same column, a(n) ______.

Answer 1

Answer:

Explanation:

Dmitri Mendeleev developed a chart-like arrangement of the elements called the Periodic Table ______ . He stated that if the elements were listed in order of increasing atomic mass______, their properties repeated in a regular manner. He called this the periodicity of properties ______ of the elements. The arrangement used today differs from that of Mendeleev in that the elements are arranged in order of increasing atomic number______. Each horizontal row of elements is called a(n)period ______. Each vertical column is called a(n) column_____, or , because of the resemblance between elements in the same column, a(n) __group____.