When concentrated H2SO4 is added to dry KNO3,
brown fumes evolve. These fumes are
brown fumes evolve. These fumes are
Anonymous Quiz
22%
(1) SO2
31%
2) SO3
14%
3) NO
33%
(4) NO2
Nickel (Ni) has atomic number 28. The correct electronic configuration is?
Anonymous Quiz
17%
1s² 2s² 2p⁴ 3s² 3p⁸ 3d¹⁰
8%
1s² 2s² 3s² 3p⁸ 3d¹⁰
70%
1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁸ 4s2
5%
1s² 2s² 2p⁴ 3s² 3p⁶ 4s²
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