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Chapter 4: Problem 30
In the sixth period, the orbitals which are completely filled are (a) \(6 \mathrm{~s}, 6 \mathrm{p}, 5 \mathrm{~d}, 5 \mathrm{f}\) (b) \(6 s, 6 p, 6 d, 6 f\) (c) \(6 \mathrm{~s}, 5 \mathrm{f}, 6 \mathrm{~d}, 6 \mathrm{p}\) (d) \(6 s, 4 f, 5 d, 6 p\)
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If the consecutive ionization energies of an element A are \(496,4564,6918,9542 \mathrm{~kJ} / \mathrm{mole}\) respectively, the formula of the oxide formed by \(\mathrm{A}\) is (a) \(\mathrm{A}_{2} \mathrm{O}_{3}\) (b) \(\mathrm{AO}\) (c) \(\mathrm{AO}_{2}\) (d) \(\mathrm{A}_{2} \mathrm{O}\)
An element with atomic number " \(32 "\) "belongs to (a) \(4^{\text {th }}\) period, VIA group or \(16^{\text {th }}\) group (b) \(3^{\text {rd }}\) period, IVA group or \(14^{\text {th }}\) group (c) \(4^{\text {th }}\) period, IVA group or \(14^{\text {th }}\) group (d) \(5^{\text {th }}\) period, VA group or \(15^{\text {th }}\) group
An element with atomic number " 32 " belongs to (a) 4 th period, VIA group (b) 3 rd period, IVA group (c) 4 th period, IVA group (d) 5 th period, VA group
Which of the following properties is a periodic property? (a) colour (b) melting point (c) refractive index (d) atomic size
State whether the following statements are true or false. Electronegativity is the property of an atom in a bonded molecule.
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