Y
Z
Y - Z
Z - Y
Correct answer is B
The chemical properties of elements depend on their atomic numbers. The atomic number is represented by Z.
Which of the following factors characterize members of the same homologous series? ...
Which of the following pairs has compounds that are isomers? ...
Which of the following reactions is accompanied by the first ionization energy of an element X? ...
The acid anhydride that will produce weak acid in water is ...
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