TGS Group 1 Exam Question JBI
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Last updated almost 5 years ago
8 questions
1
Sodium and potassium are both in Group 1 of the Periodic Table.(a) Explain, by reference to their electronic structures, why both elements are placed in Group 1.
Sodium and potassium are both in Group 1 of the Periodic Table.
(a) Explain, by reference to their electronic structures, why both elements are placed in Group 1.
1
represents a sodium atom
represents a sodium atom
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represents a sodium ion, ........
represents a sodium ion, ........
1
Sodium and potassium both react with cold water.(i) The word equation represents the reaction of sodium with water.sodium + water → sodium hydroxide + hydrogenComplete and balance the symbol equation for this reaction.
Sodium and potassium both react with cold water.
(i) The word equation represents the reaction of sodium with water.
sodium + water → sodium hydroxide + hydrogen
Complete and balance the symbol equation for this reaction.
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1
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How does the reactivity of potassium with water differ from that of sodium with water?
How does the reactivity of potassium with water differ from that of sodium with water?
3
Explain this difference in reactivity by reference to the electronic structures of the potassium and sodium atoms.
Explain this difference in reactivity by reference to the electronic structures of the potassium and sodium atoms.
