Which of the given elements A, B, C, D and E with atomic number 2, 3, 7, 10 and 30 respectively belong to the same period ?
Which among the following elements has the largest atomic radii ?
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Which of the following is the outermost shell for elements of period 2 ?
Which of the following gives the correct increasing order of the atomic radii of O, F and N ?
Where would you locate the element with electronic configuration 2, 8 in the Modern Periodic Table ?
Which one of the following elements exhibit the maximum number of valence electrons ?
Which of the following statements about the Modern Periodic Table is correct ?
The elements of group 16 are called
Arrange the following elements in the order of their increasing non-metallic character
Li, O, C, Be, F
Which of the following is correct order of atomic size
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79 videos|263 docs|65 tests
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