Question

Delton atomic theory successful explaineddelton atomic theory successful explain law of conservation of mass law of constant composition law of radioactivity law of multiple proportion

Answer 1

Answer:

Law of conservation of mass

This law was proposed by scientist A.Lavoisier.The law states that, the total mass of products remains equal to the total mass of reactants .'

law of conservation of mass is also known as law of indestructibility of matter.

Law of constant composition/proportion

This law is proposed by the scientist Joseph Proust, this law says, 'A chemical compound always contains same elements combined in same proportion by mass.

Law of multiple proportion

stated by John Dalton,the law is,when two elements are combined with each other to form two or more than two compounds,the masses of one element which combines with the fixed mass of the other element bears a simple whole number ratio

Dalton's atomic theory

Dalton rationalised the various laws of chemical combination which were in existence at that time.

His basic ideas are:

• The atoms of a given element are different from those of any other elements.Atoms of different elements can be distinguished from one another by their respective relative atomic weights.
• All atoms of a given element are identical.
• Atoms of one element can combine with atoms of other elements to form other chemical compounds;a given compound always has the same relative types of atoms.
• Atoms cannot be created,divided into small particles,nor destroyed in the chemical process;a chemical reaction simply changes the way atoms are grouped together.
• Elements are made of tiny particles called atoms.

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