QQuestionChemistry
QuestionChemistry
An element has 35 protons, 36 electrons, and 45 neutrons. This is called a(2$) __________ because there are __________ electrons compared to protons.
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Answer
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Step 1:Let's solve this step by step:
Step 2:: Identify the number of protons
- The element has 35 protons - The number of protons determines the atomic number and element identity - This corresponds to the element Bromine (Br)
Step 3:: Analyze the number of electrons
- Difference: $$36 - 35 = 1$$ extra electron
- The element has 36 electrons - The number of protons is 35
Step 4:: Determine the ion type
- Specifically, this is a $$1^{-}$$ ion (one extra electron)
- Since there is one extra electron compared to protons, this is a negative ion (anion)
Step 5:: Calculate the mass number
- Mass number = protons + neutrons = $$35 + 45 = 80
- Number of protons: 35 - Number of neutrons: 45
Final Answer
The specific isotope is \ce{^{80}Br^{-}} (Bromine- 80 with a negative charge).
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