Question

Which of the following is not true according to Dalton's Atomic theory?
a) An atom is indivisible
b)All atoms of elements have different masses
c)Atoms always combine in whole number ratio
d)Both a) and c) ​

Answer 1

b)All atoms of elements have different masses is not true according to Dalton's Atomic theory

Answer 2

Answer:

Option b. All atoms of elements have different masses is the correct answer.

Explanation:

Dalton's atomic theory was accustomed by John Dalton.

Dalton's postulates of atomic theory:

• All matter is made up of indivisible particles, and atoms.
• Atoms of the same element are similar in shape and mass but differ from atoms of other elements.
• Atoms neither be created nor destroyed.
• Atoms of different elements can combine in fixed simple integer ratios to form elements and compounds.
• Atoms are the smallest units of matter that can participate in chemical reactions.
• The formation of new products produced from the rearrangement of existing atoms.

"Atoms of a single element can have different masses" does not appear in Dalton's atomistic hypothesis. This is actually not true of Dalton's atomic theory.

              Hence, All atoms of elements have different masses is the correct answer.

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