Which of the following statements is Not true about atoms?
A
Atom of different elements have different atomic weights
B
The mass of an atom is concentrated in the nucleus
C
An atom is made up of a nucleus and number of electrons
D
Atoms of all elements are identical
Verified Correct Answer: D.
Physical Principles & Numerical Solution
No expanded working has been attached for this question yet. The verified answer is Option D.
Source: Myschool Past Questions Archive (Record #44741)