Molecule

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Molecule: Overview

This topic covers concepts, such as, Atomic Radius, Atomic Mass, Molecule of Carbon Dioxide & Size of Molecules etc.

Important Questions on Molecule

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How do you determine the size of a molecule?

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Does size of the molecules affect volume of the container?

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What is the approximate size of a molecule?

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The diameter of the constituents particles of molecule should be

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The diameter of the constituents particles of molecule cannot be

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The diameter of the constituent particles of a molecule is larger than 10-5 mm,

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Ammonia, NH3 , is a chemical compound composed of one nitrogen atom and three _____ atoms. 

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List the combining elements in a molecule of ammonia. Also find their ratio by mass.

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Ammonia is a chemical compound composed of one oxygen atom and three hydrogen atoms.

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The chemical formula of ammonia is _____.

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Name the combining elements in the molecule of ammonia.

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Explain; oxygen as a reference for measuring relative atomic mass.

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Why was oxygen used as a reference element to measure atomic mass initially? Then why was it rejected?

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Oxygen is chosen as a reference for measuring relative atomic mass.

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How the measuring standard for relative atomic mass can be the oxygen ?

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What is the reason behind choosing oxygen as a reference for measuring relative atomic mass?

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Dalton's atomic theory stated that all atoms of a given element have different size, mass and chemical properties.

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The law of multiple proportions, the law of conservation of _____, and the law of constant proportions are not violated by Dalton’s atomic theory.

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What is the Dalton's atomic theory of matter?

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How does Dalton’s atomic theory explain the law of conservation of mass?