An element Q forms a compound QCI5. In which group of the periodic table is Q?
A. l B. lll C. V D. VII Correct Answer: Option C C. VWhich of the following electronic configurations correctly represents an element in period 3 of the periodic table?
A. 1s² 2s² 2p² B. 1s² 2s² 2p6 C. 1s² 2s² 2p6 3s² 3p4 D. 1s² 2s² 2p6 3s² 3p6 4s¹ Correct Answer: Option C C. 1s² 2s² 2p6 3s² 3p4Which of the following ions is isoelectronic with neon? [3Li, 3F, 10Ne, 17CI, 19K]
A. CI- B. F- C. K+ D. Li,+ Correct Answer: Option B B. F-The following properties are characteristics of transition elements except?
A. formation of complex ions B. fixed oxidation states C. formation of coloured compounds D. catalytic abilities Correct Answer: Option B B. fixed oxidation statesProducts
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