The mass number of an atom of ⁷⁹Br is ________. A) 35 B) 114 C) 44 D) 79 E) 72

Name: The mass number of an atom of 79 Br is ________. A) 35 B) 114 C) 44 D) 79 E) 72
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The mass number of an atom is the sum of its protons and neutrons. The symbol "Br" refers to Bromine, which has an atomic number of 35 (indicating 35 protons). The mass number given as "⁷⁹" cryptically indicates 79, which is the mass number for a common isotope of Bromine, accounting for both its protons and neutrons.

The Mass Number of an Atom of 79Br Is ________

The Mass Number of an Atom of ⁷⁹Br Is ________