Question

Atomic theory was given by:

• A. John Dalton
• B. Neils Bohr
• C. E. Rutherford
• D. Haber Bosch

Answer 1

Answer: (A)

John Dalton

$\left(A\right)$ John Dalton

$Reason$ : Atomic theory was given by John Dalton ,represented as ,

$1$ Everything is composed of atoms, which are the building blocks of matter and cannot be destroyed.

$2$ All atoms of an element are identical.

$3$ The atoms of different elements vary in size and mass.

$4$ Compounds are produced through different whole number combinations of atoms.

$5$ A chemical reaction results in rearrangement of atoms in the ractant and product compounds.