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X : The halogen in the 2nd period
Y : The noble gas in the 3rd period
Z : The alkali metal in the 2nd period
Which one of the following shows the correct
order of increasing atomic number on the
pe...
X : The halogen in the 2nd period
Y : The noble gas in the 3rd period
Z : The alkali metal in the 2nd period
Which one of the following shows the correct
order of increasing atomic number on the
pe...
The metallic property decreases in direction II.
The non-metallic property increases in direction I.
The atomic number decreases in direction I.
The atomic number decreases in direction II.
The non...
