Question

4. Some of elements and their atomic numbers are given in the following table. Arrange them according to their increas- ing atomic radii and Give reason for the answer. Elements Mg S P Na Si All Atomic no.12 16 15 11 14 13 17 10​

Answer 1

Answer:

Explanation:

In the modern periodic table, the elements are listed in order of increasing atomic number. The atomic number is the number of protons in the nucleus of an atom. ... In a periodic table arranged in order of increasing atomic number, elements having similar chemical properties naturally line up in the same column (group).