A. Isotones B. Isotopes C. Isobars D. Isomers
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A. Infinite B. 3j C. 9j D. Zero
A. High charge on ion, small cation, small anion B. High charge on ions, large cation, small anion C. Low charge on ions, large cation, small anion, D. Low charge on ions, small cation, large anion
A. High vapour pressure B. Low vapour pressure C. High surface tension D. High density
A. Argon B. Oxygen C. Carbon dioxide D. Carbon monoxide
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A. Hydrogen B. Nitrogen C. Oxygen D. Mercury
A. Evolution of light and water B. Evolution of heat C. Absorption D. None of these
A. Different atomic numbers B. Same atomic numbers C. Sometimes different sometimes same atomic numbers D. Very high actual masses
A. Calcined dolomite B. Limestone C. Haematite D. Silica
A. Red phosphorus B. Yellow phosphorus C. Black phosphorus D. Violet phosphorus