Question

Identify the correct statements:
(i) Dalton's atomic theory proposed that the atoms of each element have their characteristic mass. (ii) The mass of an atom is expressed relative to the mass of a reference atom, so that the atomic mass becomes a simple number.
(iii) At present, the standard for comparison of atomic masses is fixed as the mass of an atom of carbon is taken as 12 units.
(iv) One twelfth (1/12) of the mass of carbon atom (C12) is taken as one unit and is called as atomic mass unit.
(a) (i) and (ii) b. (iii) and (iv) c. (ii) and (ii) (d) All of these​

Answer 1

Answer:

(d) All of these

Explanation:

Dalton's atomic theory proposed that the atoms of each element have their characteristic mass

The mass of an atom is expressed relative to the mass of a reference atom, so that the atomic mass becomes a simple number.

At present, the standard for comparison of atomic masses is fixed as the mass of an atom of carbon is taken as 12 units.

One twelfth (1/12) of the mass of carbon atom (C12) is taken as one unit and is called as atomic mass unit.

All of the statements are correct

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