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Ask community Community Discussion Question: The atomic number of an element is 20. Its valency is(a) 1 (b) 2 (c) 3 (d) 4..in book its 4..but acc
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[Post New] 18 May 2009 19:47:40 IST
   Subject: The atomic number of an element is 20. Its valency is(a) 1 (b) 2 (c) 3 (d) 4..in book its 4..but
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anakonda (798)

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The atomic number of an element is 20. Its valency is(a) 1 (b) 2 (c) 3 (d) 4..in book its 4..but acc. to me its 2...explain
    
[Post New] 18 May 2009 19:49:17 IST
   Subject: The atomic number of an element is 20. Its valency is(a) 1 (b) 2 (c) 3 (d) 4..in book its 4..but acc
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NugoRama (4800)

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its calcium ..valency is 2 ...cook the book !!
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[Post New] 18 May 2009 20:21:21 IST
   Subject: The atomic number of an element is 20. Its valency is(a) 1 (b) 2 (c) 3 (d) 4..in book its
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vinay " the game is not over" (116)

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 there is no dought . it is calshium..you are right...
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[Post New] 18 May 2009 22:58:17 IST
   Subject: The atomic number of an element is 20. Its valency is(a) 1 (b) 2 (c) 3 (d) 4..in book its 4..but acc
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ashish tiwari (35)

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frds, it should be 2calcium 20-2,8,8,2
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