What is the trend of reactivity as you go down Group 1 in the periodic table?
Reactivity increases as you go down the group
Explanation:As you go down the group, the number of electron shells increases, meaning the electron remaining on the outer shell is further away from the nucleus. The electrostatic force of attraction between positive protons in the nucleus and the negative electron will get weaker, so less energy is needed to remove the outer electron and form a compound. This means reactivity will increase.
GR
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