F9RK. Mgmt. 42, task 2

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Uploaded: 16.02.2017
Content: Ф9РК. Упр. 42, задача 2.rar (8,56 kB)

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2. Which particles or nuclei of chemical elements are presented in the following symbols: p (1,1), He (2,4); n (0,1); e (-1,0); H (1,2)? Determine their charge, mass and charge number.

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