Answer :
Final answer:
The isotope Au-195 has 79 protons, 79 electrons, and 116 neutrons. Its atomic number is 79 and its mass number is 195.
Explanation:
The isotope Au-195 refers to gold. In any isotope of Gold (Au), the number of protons is always the same and is equal to the atomic number. For gold, this number is 79. Thus, Au-195 has 79 protons. As it is neutral, it also has 79 electrons. The number of neutrons can be found by subtracting the atomic number from the mass number. So, Au-195 has 195 - 79 = 116 neutrons. The atomic number for Au-195 is therefore 79 and the mass number is 195.
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We Know, Atomic number of Gold (Au) = 79
1) Number of Protons = Atomic number = 79
Number of Electrons = Number of Protons = 79
Number of Neutrons = mass number - Atomic number = 195-79 = 116
2) Atomic number = 79 [ written on top of the element ]
Mass number = 195 [ written on bottom of the element ]
Hope this helps!
1) Number of Protons = Atomic number = 79
Number of Electrons = Number of Protons = 79
Number of Neutrons = mass number - Atomic number = 195-79 = 116
2) Atomic number = 79 [ written on top of the element ]
Mass number = 195 [ written on bottom of the element ]
Hope this helps!
