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2C - Inorganic Chemistry (a) Group 1 (alkali metals) - lithium, sodium and potassium
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Total cards: 1•Content version: v3•Public deck•Updated: 8/1/2026
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#1
Front (Question)
Why are elements more reactive as you go down group 1?
Back (Answer)
Group one elements only need to lose one electron. This means that the atoms further down the group have more electron shells, and the outer shell of electrons (which they need to lose) is further from the nucleus and so has less attraction to the nucleus, making it easier to lose this electron as it is only weakly attracted to the nucleus.