What Is the Ground-State Electron Configuration of Tantalum (Ta)

question 61

Multiple Choice

What is the ground-state electron configuration of tantalum (Ta) ?

• A)1s²2s²2p⁶3s²3p⁶4s²4p⁶4d¹⁰4f¹⁴5s²5p³
• B)1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p⁶4d¹⁰5s²5p³
• C)1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p⁶4d¹⁰4f¹⁴5s²5p⁶5d³6s²
• D)1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p⁶4d¹⁰5s²5p⁶5d³
• E)1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p⁶4d¹⁰4f³

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