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Chapter 8
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Total cards: 6•Content version: v4•Public deck•Updated: 8/1/2026
Card preview (6)
#1
Front (Question)
What do Group 2 elements react with oxygen to form?
Back (Answer)
metal oxide - MO
#2
Front (Question)
What do Group 2 elements react with water to form?
Back (Answer)
1) alkaline hydroxide - M(OH)₂ 2) hydrogen gas - H₂(g)
#3
Front (Question)
What do metals react with dilute acids to form?
Back (Answer)
salt + hydrogen
#4
Front (Question)
Does the reactivity increase/decrease down Group 2?
Back (Answer)
increase
#5
Front (Question)
Why does the reactivity increase down Group 2?
Back (Answer)
1) loss of electrons to form +2 ions 2) ionisation energies decrease down the group - attraction between nucleus + outer electrons decreases
#6
Front (Question)
What do Group 2 oxides react with water to form?
Back (Answer)
hydroxide ions, OH⁻