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Question
Rewrite the following statement after correction, if necessary:
The metallic character of elements in a period increases gradually on moving from left to right.
Solution
The metallic character of the elements in a period decreases gradually on moving from left to right.
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RELATED QUESTIONS
The atomic masses of three elements A, B and C having similar chemical properties are 7, 23 and 39, respectively.
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The elements Be, Mg and Ca each having two electrons in their outermost shells are in periods 2, 3, and 4 respectively of the modern periodic table. Answer the following questions, giving justification in each case:-
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(ii) Name the least reactive element.
(iii) Name the element having largest atomic radius.
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(b) Na
(c) K
(d) Ca
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Name the first and last element in period 2.
The following questions refer to the Periodic Table.
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An oxide which dissolves in water forming an acid.
