Choose correct statement for Group 1 metals

Reactivity increases when going down the group

Reactivity in Group 1 ....

increases when going down the group

Choose correct pair of uses for noble gases

Helium : Fill airships and weather balloons

What happened when potassium is reacted with water? [You can choose more than one answer]

The solution turns red litmus paper to blue, Potassium metal floats on water, Burns with lilac flame

Choose INCORRECT observation when alkali metals are added to water

blue litmus paper turn red when tested on water

Why is sodium stored in paraffin oil?

to keep it away from water and air

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PERIODIC TABLE

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#Periodic Table for Checkpoint

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Questions 12

Answers

1
Choose INCORRECT chemical reaction for Alkali Metals
React with halogens
React with oxygen (air)
React with Noble Gases
React with water
2
Alkaline earth metals are found in group number ... of the Periodic Table
8
7
2
1
3
Why does elements in Group 8 are inert gasses?
Gas particles move randomly
Weak forces of attraction between particles
They are chemically unreactive
They exist as gas at room temperature
4
Choose correct statement for Group 1 metals
Group 1 metals are chemically unreactive
Reactivity for group 1 metals are similar
Reactivity increases when going up the group
Reactivity increases when going down the group
5
Sodium, potassium and .... are all alkali metals
magnesium
hydrogen
argon
lithium
6
Rubidium is found below potassium in the Periodic Table, therefore ...
more reactive than potassium
less reactive than potassium
more reactive than lithium but less than potassium
more reactive than sodium but less than potassium
7
Reactivity in Group 1 ....
decreases when going down the group
shows no trend
increases when going down the group
increases when going up the group
8
Choose correct pair of uses for noble gases
Helium : Fill airships and weather balloons
Xenon : Treatment of cancer
Neon : Fill light bulbs
Argon : Used in advertising lights
9
Choose correct list of elements for Alkali Metals
lithium,sodium, potassium
fluorine, chlorine,bromine
beryllium, magnesium, magnesium
helium, neon,argon
10
What happened when potassium is reacted with water? [You can choose more than one answer]
Potassium metal sink in water
The solution turns red litmus paper to blue
Potassium metal floats on water
Burns with lilac flame
11
Choose INCORRECT observation when alkali metals are added to water
blue litmus paper turn red when tested on water
bubbles of gas released
red litmus paper turns blue when tested on water
metals float on the surface of water
12
Why is sodium stored in paraffin oil?
to make it nice and slippery
to prevent it from floating
to make the metal becomes softer
to keep it away from water and air

PERIODIC TABLE Flashcards | StudBud