Question

Which one proposes the basic postulates concerning elements and atoms?

• A. Avogadro's number
• B. $P_1{V}_1=P_2{V}_2$
• C. $V_1{T}_2=V_2{T}_1$
• D. Dalton's theory
• E. Gay-Lussac's Law

Answer 1

Answer: (D)

Dalton's theory

Dalton's theory proposes the basic postulates concerning elements and atoms.

All matter is made of atoms. Atoms are indivisible and indestructible.

All atoms of a given element are identical in mass and properties.

Hence, the correct option is D.