Complete the anology
(Li,Na,K):____::(F,CI,Br): Group 17

Complete the anology: F = ma : : p = ……….

Complete the anology: f : force : : p : ………

Complete the anology Fe:Electropositive :: CI:____

Complete the anology Valency of Na(2,8,1):1(One)::Valency of P(2,8,5):______

Complete the anology Group 1:Alkali metals :: ______: alkaline earth metals

Select the appropriate options and complete the following paragraph. (metals, nonmetals, metalloids, four, seven, s-block, p-block, d-block, f-block) On the basis of electronic configuration, elements in the modern periodic table are classified into ________ block. Groups 1 and 2 elements are included in _______ and all these elements are metals (except hydrogen). Group 13 to 18 elements are included in ________. This block contains metals, nonmetals and metalloids. Groups 3 to 12 elements are included in _______ and all these elements are _______. elements shown at the bottom of the periodic table i.e., Ianthanides and actinides constitute ______ and all these elements are metals.

Consider the following statements and choose the CORRECT statement . (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 metal 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 , (iv)

The elements in the third period, namely, Na, Mg, AI, Si, P, S, CI and Ar have electrons in the three shells: K, L and M. Write down the electronic configuration of these elements and confirm.

Answer the following questions: Divide the metals Cu, Zn, Ca, Mg, Fe,Na, Li in to three groups , namely , reactive metals, moderately reactive metals and less reactive metals .

Of the following alkyl halides CH_3F , CH_3CI , CH_3Br and CH_3I ,which will have the higest boiling point.Justify your answer.