[" The only i most stoble nucleus formed by bomboding "],[" either "27" a by neutions or "23Na" by deations is "],[13],[[" o) "30p," b) "3051" c) "24mg,14,12,56]]

Identify the most stable atom from the following .Alson given the reason for your answer: ltbr. Na_(11)^(23),CI_(17)^(35),AI_(13)^(27),Ar_(18)^(40)

Form a grouped frequency distribution from the following data by inclusive method taking 4 as the class size of class intervals. 31, 23, 19, 29, 22, 20, 16, 10, 13, 34, 38, 33, 28, 21, 15, 18, 36, 24, 18, 15, 12, 30, 27, 23, 20, 17, 14, 32, 26, 25, 18, 29, 24, 19, 16, 11, 22, 15, 17,10

Which of the following can form cations ?i) 11 Na ii) 15 P iii) 13 Al iv) 17 Cl

Arrange the following fractions in ascending order and descending order. (i) 7/9, 13/15,23/27, 20/21 (ii) 4/5 , 11/20, 11/15, 22/25

Consider the following statements. (I) Cs' ion is more highly hydrated than other alkali metal ions (II) Among the alkali metals, only lithium forms a stable nitride by direct combination with nitrogen. (III) Among alkali metals, Li,Na,K,Rb, the metal, Rb has the highest melting point (IV) Among alkali metals Li,Na,K,Rb only Li forms peroxide when heated with oxygen.