Question

chlorine has two isotopes CL 35 and CL 37 their atomic mass number 35 and 37 respectively and their chemical properties are same where is this isotope should be placed in mendeleevs periodic table​

Answer 1

hi

Explanation

MENDELEEV has arranged elements in increasing order of there atomic mass .

Isotopes cant be placed in mendeleev's periodic table as isotopes have same chemical properties but different atomic masses.