in modern periodic table , give information about reactivity of elements
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reactivity along th period decreases and down the group increases
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THE MOST REACTIVE METALS ARE KEPT IN LEFT HAND CORNER WHICH ARE FIRST TWO GROUPS AND REACTIVITY INCREASE DOWN A GROUP WHILE DECREASE ACROSS A PERIOD LEFT TO RIGHT.
HOPE IT HELPS
THE MOST REACTIVE METALS ARE KEPT IN LEFT HAND CORNER WHICH ARE FIRST TWO GROUPS AND REACTIVITY INCREASE DOWN A GROUP WHILE DECREASE ACROSS A PERIOD LEFT TO RIGHT.
HOPE IT HELPS
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