(a) How were the positions of isotopes of an element decided in the mo

1.	(a) How were the positions of isotopes of an element decided in the modern periodic table ? (b) How were the positions of cobalt and nickel resolved in the modern periodic table ? (c) Where should hydrogen be placed in the modern periodic table ? Give reason for your answer.
Answer» (a) How were the positions of isotopes of an element decided in the modern periodic table ? (b) How were the positions of cobalt and nickel resolved in the modern periodic table ? (c) Where should hydrogen be placed in the modern periodic table ? Give reason for your answer.

(a) How were the positions of isotopes of an element decided in the modern periodic table ? (b) How were the positions of cobalt and nickel resolved in the modern periodic table ? (c) Where should hydrogen be placed in the modern periodic table ? Give reason for your answer.

Answer»

(a) How were the positions of isotopes of an element decided in the modern periodic table ?

(b) How were the positions of cobalt and nickel resolved in the modern periodic table ?