The most distinctive property of the noble gases is that they are:
As we move from left to right in a period in modern periodic table, Atomic sizes of the elements generally
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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 Modern Periodic Table, if an element with atomic number ‘X’ is an inert gas, than an element with atomic number (X-1) will be placed in:
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79 videos|263 docs|65 tests
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