Question

Question 10.
Which of the following is not correct according to Daltons atomic theory
Answer:
(a)Atoms of same elements can have different masses
(b)Atoms of sarne elements will be same in all respect
(c)The atoms of different elements combine in same rates of number to
give compounds
(d)Atom is indivisible and indestructible​

Answer 1

Answer:

Atoms of different elements which have the same mass number, A (number of neutrons and protons in the nuclei) but different atomic number, Z (number of protons or electrons) are called isobars. For example, 18Ar40 & 20Ca40 have same mass number of 40 but different atomic numbers 18 and 20 respectively.

Answer 2

option (c)

Explanation:

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