Questions: How many protons are there in Rb^+?

How many protons are there in Rb^+?
Transcript text: Page 5 of 23 Question 5 How many protons are there in $\mathrm{Rb}^{+}$? Add your answer Integer, decimal, or E notation allowed
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Solution

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Solution Steps

Step 1: Determine the Atomic Number of Rubidium
  • The atomic number of rubidium (Rb) is 37. This means that a neutral rubidium atom has 37 protons.
Step 2: Consider the Ion Charge
  • The ion \(\mathrm{Rb}^{+}\) indicates that the rubidium atom has lost one electron, but the number of protons remains unchanged.
Step 3: Conclude the Number of Protons
  • Since the number of protons does not change when an atom becomes an ion, \(\mathrm{Rb}^{+}\) still has 37 protons.

Final Answer

\(\boxed{37}\)

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