You advise: Science Atom Molecules
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Your email address will not be published. The total mass of reactants equals the total mass of products. A found always has its constituent in a fixed proportion c.
Ploughing the field
A reaction happens only if there is the liberation of energy d. Both a and b Answer.
Both a and b. Molexules a depicts law of conservation of mass while option b is law of constant proportion. Both together make law of chemical combination. Antonie L. Pakudha said all matters consist of tiny particle that can not be further divided. Democritus and Leucippus used the term atom for the smallest molecule.
Both these were philosophical ideas with no real explanation. Lavoisier first observed the reactions and gave laws of chemical combination. Chemical compounds.
The atomic power couple
Here half mole of sodium is limiting factor. It will react with only half mole of chlorine atom. Law of constant proportion. CaCl 2.
Atoms reacts as per their valence electrons. Option b is correct for chemical combination but belong to valence bond theory. Leave a Comment Cancel Reply Your email address will not be published. Go to mobile version. We would like to show you notifications for the latest news and updates.]
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