Correct order of abundance in earth's crust is (A) Ca>Mg>Ba (B) Sr>Ba>Be (C) Ba>Be>Sr (D) Ca>Sr>Ba

The correct order of density of following elements is: - (Be,Mg,Ca,Sr)

Carbonates of Ba,Sr and Ca are

The 2^(nd) group element the least density is: (A) Be (B) Mg (C) Ca (D) Ba

What is the order of the second ionisation enthalpy of K,Ca and Ba ?

The charge/size ratio of a cation determines its polarizing power. Which one of the following sequences represents the increasing order of the polarizing power of the cationic species, K^(+), Ca^(2+), Mg^(2+), Ba^(2+) ?

The charge/size ratio of a cation determines its polarizing power. Which one of the following sequences represents the increasing order of the polarizing power of the cationic species, K^(+), Ca^(2+), Mg^(2+), Ba^(2+) ?

(a). Mention the most abundant and least abudant alkaline earth metal in the earth's crust. b. Arrange alkaline earth metals in order of decreasing hydration enthalpy. c. Ca, Sr and Ba generally form ionic compounds. why? d. Mention colours of Ca,Ba and Sr in flame test.

The decreasing order of the second ionization potentials of K, Ca and Ba is

The decreasing order of the second ionization potentials of K, Ca and Ba is

Which has the largest ionic radius Ca^(2+) , Mg^(2+) , Ba^(2+) ?