Quiz on periodic table 1

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Name the neutral atom in the Periodic Table which has the same number of electrons as K+ and Cl-?

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Element ‘X’ forms a chloride with the formula XCl2, which is a solid with high melting point. X would most likely be in the same group of the periodic table as:

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Where would you locate the element with electronic configuration 2, 8 in the Modern Periodic Table?

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An atom of an element has the electronic confi-guration 2,8,2. To which group does it belong?

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In Mendeleev’s Periodic Table, gaps were left for the elements to be discovered later. Which of the following elements found a place in the Periodic Table later?

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What is the atomic number of element of period 3 and group 17 of the Periodic Table?

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A metal ‘M’ is in the first group of the Periodic Table. What will be the formula of its oxide?

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Carbon belongs to the second period and Group 14. Silicon belongs to the third period and Group 14. If atomic number of carbon is 6, the atomic number of silicon is?

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Quiz on periodic table 1
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