QQuestionChemistry
QuestionChemistry
Consider an atom of gold in which the nucleus contains 79 protons and 118 neutrons. If it is doubly ionized, what is the charge of the gold ion and how many electrons remain in the ion?
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Answer
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Step 1:Let's solve this step by step:
Step 2:: Determine the number of protons in a gold atom
- A gold atom has 79 protons by definition - This means the atomic number of gold is 79
Step 3:: Calculate the number of electrons in a neutral gold atom
- In a neutral atom, the number of electrons equals the number of protons - Neutral gold atom has 79 electrons
Final Answer
- Number of remaining electrons: 77 - Charge of the gold ion: + 2 \text{ elementary charges}
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