Which of the following elements has greater 1st ionization energy__________________?

Related Mcqs:

One mole of CO2 contains?

A. 6.022 x 1023 atoms of oxygen B. 22-gram electrons C. 6.022 x 1023 atms of carbon D. both B. & C....

Molecular ions are formed by passing______________________?

A. High energy electron beam B. ? – particle C. X-rays D. All of the above...

Methyl alcohol is not used as___________________?

A. a solvent B. an anti freezing agent C. a substitute for petrol D. for denaturing of ethyl alcohol...

When aquious bromine is added to aqueous phenol a creamy white ppt is obtained. What does this reaction show ?

A. phenol is unsaturated B. 2-bromophenol is insoluble in water C. a hydroxy group makes the benzene ring more susceptible to electrophilic attack D. acid-base reaction...

Which of the following elements conduct electricity and also melts below 100°C ?

A. Aluminium B. Sodium C. Carbon D. Sulphur...