Mass number is denoted by:
Mass number is denoted by:
Harshit Singh , 4 Years ago
Grade 12th pass
9 grade science> Mass number is denoted by:...
1 AnswersYash Patari
Dear student
The mass number (represented by the letter A) is defined as the total number of protons and neutrons in an atom. Consider the table below, which shows data from the first six elements of the periodic table. Consider the element helium. Its atomic number is 2, so it has two protons in its nucleus.
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