A. Cs and F B. Cl and F C. P and O D. H and O
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A. C B. F C. Be D. N E. Ne
A. Electronegativity B. Atomic volume C. Covalent radii D. Atomic mass
A. Rb B. Na C. K D. Sc
A. Increase in the number of electrons B. Increase in the number of protons and neutrons C. Increase in the number of protons D. Increase in the number of electrons, protons and neutrons
A. Oxygen B. Nitrogen C. Fluorine D. Sulphur
A. Bond energies B. Bond lengths C. Atomic radii D. Covalent radii
A. Chlorine B. Oxygen C. Sulphur D. Fluorine
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A. P<S<B<F B. B<P<S<F C. B<S<P<F D. F<S<P<B
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A. Mass B. Volume C. Surface tension D. Enthalpy