The existence of isotopes violated which one of the postulates of Dalton's atomic theory?

All matter is made of very tiny particles called atoms

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Atoms of a given element are identical in mass and chemical properties

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Atoms are indivisible particles and cannot be created nor destroyed

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Atoms of same elements are alike in all respects

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D Atoms of same elements are alike in all respects
Isotopes are atoms of same elements having same atomic number but different atomic masses.

Suggest Corrections

Similar questions

Fill in the blanks :

(a) Dalton said that _______________ could not be divided.

(b) An ion which has a positive charge is called a _______________

(d) The _______________ of an atom is very hard and dense.

(e) Neutrons are __________________ particles having mass equal to that of portons.

(f) Isotopes are the atoms of __________________element having the __________________atomic number but __________________mass number.

Which of the following is/are not a characteristic of atom suggested by John Dalton?

i. An atom is the smallest particle which cannot be divided further into smaller particles.

ii. Atoms of all the different elements are identical.

iii. Atoms can neither be created nor be destroyed.

iv. Atoms take part in Chemical Reaction.

Join BYJU'S Learning Program