For which element the first ionization enthalpy (KJ mol-1) is 403?
Caesium
Sodium
Potassium
Rubidium
For which element the boiling point is 961.0?
Lithium
For which element the electro negativity is 0.79?
What is the melting point of lithium?
370.8
453.5
336.2
312.0
For which element the second ionization enthalpy (KJ mol-1) is 2633?
Caesium.
What is the second ionization enthalpy (KJ mol-1) for the element lithium?
3051
7298
4562
2230
__________________ is much less abundant element.
Magnesium.
Calcium.
Strontium.
Beryllium.
Lithium hydroxide is a __________ while the hydroxides of other alkali metals are _____________.
Weak base, Strong base.
Strong base, Weak base
Very weak base,Strong base.
Weak base,very strong base.
________________ is the seventh most abundant element in earth crust.
Lithium.
Sodium.
Potassium.
Rubidium.
The elements of group 1 are collectively known as _______________.
Representative elements.
Normal elements
Alkali metals
Main group elements.