d and f BLOCK ELEMENTS MCQ Quiz: GKFix - Bridge of Knowledge

Question 2376

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An element forms a stable chloride with the formula MCl₃. Based on this formula, what is the likely charge of the metal cation (M) formed by this element?

+1
+2
+3
0

Question 2377

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An element forms a stable oxide with the formula M₂O. Based on this formula, what is the likely charge of the metal cation (M) formed by this element?

+1
+2
+3
0

Question 2378

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Which of the following elements (I-VI) is most likely to exhibit the electronic configuration ns² np⁵ in its ground state?

Element I
Element II
Element III
Element IV

Question 2379

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What does a very high positive value for the second ionization enthalpy (∆iH2) of an element, compared to its first ionization enthalpy (∆iH1), typically suggest?

The element has a full outer shell.
The element has only one electron in its outermost shell.
The element is a noble gas.
The element readily forms +2 ions.

Question 2380

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What is the primary factor determining the chemical properties of an element?

The total number of electrons.
The number of neutrons in the nucleus.
The number and arrangement of valence electrons.
The atomic mass.

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