Group 2 (OCR A-Level Chemistry A): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the alternative name for Group 2 elements?
What is the alternative name for Group 2 elements?
Alkaline earth metals
How many electrons do Group 2 elements have in their outermost s-subshell?
How many electrons do Group 2 elements have in their outermost s-subshell?
Two electrons
What charge do Group 2 elements always form when they react?
What charge do Group 2 elements always form when they react?
+2 ions
What is the general formula for oxides formed when Group 2 elements react with oxygen?
What is the general formula for oxides formed when Group 2 elements react with oxygen?
How does the reactivity of Group 2 elements change down the group?
How does the reactivity of Group 2 elements change down the group?
Increases down the group
Why do ionisation energies decrease down Group 2?
Why do ionisation energies decrease down Group 2?
Increasing radius & shielding
What are the products when Group 2 metals react with water?
What are the products when Group 2 metals react with water?
Metal hydroxide & hydrogen
How does the solubility of Group 2 hydroxides change down the group?
How does the solubility of Group 2 hydroxides change down the group?
Increases down the group
What is the approximate pH of solution compared to ?
What is the approximate pH of solution compared to ?
pH ~10 (Mg), pH ~13 (Ba)
Why is calcium hydroxide used in agriculture?
Why is calcium hydroxide used in agriculture?
To neutralise acidic soils