Vertical Column is a group
Horizontal is Period
Aliki earth metals is a group
Lithium- Neon is both
Based on electrons are both
Number of electron shells is both
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<u>Question</u><u>:</u>-</h2>
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<u>Answer</u><u>:</u></h2>

The reaction in which more reactive element replace a less reactive element from its compound is called displacement reaction.
Ex:-
