Write on the flame colours of the salts of alkaline earth metals .

Write on the thermal stability of alkaline earth metal carbonates.

Comment on the ionisation potentials of alkaline earth metals .

Beryllium and magnesium do not give colour to flame whereas other alkaline earth metals do so. Why ?

Following are some statements about alkaline earth metals I) The electronegativity of Ca, Sr, Ba is almost same II) Be and Mg do not give flame colors III) The most abundant alkaline earth metal is Ca in earth's crust The correct combination is

Write the order of density of alkaline earth metals. Why density of calcium is least?

Discuss on : (iii) Nitrates of alkaline earth metals.

Compare the solubility and thermal stability of the following compounds of the alkali metals with those of the alkaline earth metals. (a) Nitrates (b) Carbonates (c) Sulphates.

Write on the reactions of alkaline earth metals with different non-metals and ammonia. Account for the differences.

How beryllium differs from the other alkaline earth metals .

BeF_(2) is highly soluble in water whereas the fluorides of other alkaline earth metals are almost insoluble because