Nuclei with the same number of neutrons but different mass numbers are called isotones. Write the symbols of four possible isotones of 185W

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Q: Draw the most stable formation for the following compound.

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Q: 2. Predict the structure of the product formed in the following reaction.

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Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.