(b) alpha emission by curium-243 O 243 96 243 95 C e + Am Lfe + Bk Cm + e Am 243 Cm 96 O 243 96 243 O 243 Cm - 96 239 He + Pu 94 Hint X Incorrect. (c) electron capture by vanadium-49 V + ge + T He + Se V 23 Hint శ్లీకి ఇి

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A:

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A:

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A:

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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.