Qu 4.
How many protons, neutrons, and electrons are present in an atom of gold, Au,
with a ma...
Chemistry, 15.12.2020 22:40 yourfreeshoppep3u91x
Qu 4.
How many protons, neutrons, and electrons are present in an atom of gold, Au,
with a mass number of 197?
197 protons, 276 neutrons, 79 electrons
79 protons, 118 neutrons, 79 electrons
Du Do
79 protons, 197 neutrons, 118 electrons
&
118 protons, 72 neutrons, 118 electrons
Answers: 3
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