GK
GENERAL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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An element has an atomic number of 76. The number of protons and electrons in a neutral atom of the element are
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152 p+, 76 e-
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76 p+, 0 e-
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38 p+, 38 e-
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76 p+, 76 e-
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Explanation:
Detailed explanation-1: -By definition, the atomic number, Z, is the number of protons, positively charged, massive, nuclear particles, contained in the nucleus. Z specifies the identity of the atom. And if there are 76 positively charged particles, there must also be 76 negatively charged particles, 76 electrons, associated with the atom.
Detailed explanation-2: -An atom of gold (Au) has 79 protons and 118 neutrons and 76 electrons.
Detailed explanation-3: -Answer and Explanation: Osmium-190 has an atomic number of 76 and a mass number of 190. This means that in its unionized state, it has 76 protons, 76 neutrons, and 114 neutrons.
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