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.Management Sciences
A. Ca and P
B. S and P
C. Ca and S
D. we could not apply
Related Mcqs:
- Alkali and alkaline earth metals impart colours when heated over burner. It is due to______________?
- A. Smaller electronegativity of alkali metals B. Smaller ionic radius of these metals C. De-excitation of electrons from higher energy levels to low energy level D. Excitation of electrons from low energy levels to higher energy levels...
- First ionization potential of alkaline earth metal is greater than alkali metals because___________________?
- A. They are more reactive B. They have greater atomic radii C. They have smaller atomic sizes D. All...
- Which one of the following pairs shown diagonal relationship in the periodic table ?
- A. Sodium and Lithium B. Lithium and magnesium C. Lithium and beryllium D. Boron and Beryllium...
- Sodium is not observed in +2 oxidation state because of its__________________?
- A. high first ionization potential B. high second ioniation potential C. high ionic radius D. high electronegativity...
- Magnesium metal does not burn in the vessel containing_______________?
- A. N2 B. O2 C. N2 and O2 D. Ne...
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