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IGCSE - Group 1 Elements Flashcards | StudBud

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IGCSE - Group 1 Elements

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A #chemistry #quiz on the #Group 1 elements.

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Questions 8

Answers

1
Which of these observations can be made when any Group 1 metal reacts with water?
There is fizzing.
There is a flame.
Metal melts into a ball.
The metal sinks.
2
Which of these elements is not in Group 1 of the Periodic Table?
Potassium
Lithium
Calcium
Sodium
3
Which of these is evidence for the trend in reactivity?
They all float on the surface.
Only potassium gives a flame.
They all get smaller and disappear.
The fizzing gets more vigorous down the group.
4
Which of these is not an observation for sodium reacting with water?
Flames.
Movement across the surface, leaving a white trail.
Metal fizzes and gets smaller.
Melting into a ball.
5
What colour will the solution formed turn with Universal indicator?
Blue.
Orange.
Green.
Red.
6
What are the products when a Group 1 metal reacts with water?
Metal hydroxide + hydrogen
Metal hydroxide + oxygen
Metal oxide + hydrogen
Metal hydroxide + chlorine
7
What colour flame does potassium give?
Lilac.
Red.
Orange/yellow.
Blue.
8
What is the pattern of reactivity in Group 1?
There is no pattern of reactivity.
Reactivity increases down to potassium, then decreases.
The elements get less reactive down the group.
The elements get more reactive down the group.