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  3. 4. cr has four isotopes: cr 50 cr 52 cr 53 cr 54 a

4. Cr has four isotopes: Cr 50 Cr 52 Cr 53 Cr 54 A) Determine how many protons, neutrons and...

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Chemistry

4. Cr has four isotopes:

Cr 50

Cr 52

Cr 53

Cr 54

A) Determine how many protons, neutrons and electrons eachisotope has.

B) The atomic mass reported for Cr is 54.94. What does this tellus about the relative abundance of each isotope? What isotopeshould be the most abundant?

C) Write the electronic configuration of the Cr, taking intoaccount that studies show that it has a paramagnetism equivalent to6 unpaired electrons. Determine the quantum numbers for the lastelectron 4s of Cr.

D) Determine the effective nuclear charges for the following Crelectrons:

---An electron 4s
---A 3d electron

Please try to write everything in an organized maner and legiblehandwritting.

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