1 Atomic Number The atomic number is equal to the number of protons in the nucleus. Sometimes given the symbol Z. On the periodic chart Z is the uppermost. - ppt download
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⏩SOLVED:Prior to 1961, the atomic mass unit was defined as 1/16 the… | Numerade
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Figure 1 from Atomic weights of the elements 2013 (IUPAC Technical Report) | Semantic Scholar
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