Question

Write the character of modern periodic table​

Answer 1

modern perodic table is best Windows or atomic numbers of elements . 2.)elements are arranged in increasing order of atomic numbers . 3.)elements in Modern Periodic Table are arranged in 7 groups and 18 periods . 4.)horizontal rows are called periods and vertical columns are called groups .

Answer 2

Answer:

Periodic table conjugates a ever increasing property, namely, the increasing of the atomic number, to the (almost) periodic variation of a great deal of physical-chemistry properties, like atomic radius, electronegativity, ionization energy and others.