PRACTICE QUESTION THE PERIODIC TABLE
Authored by septina restu
Chemistry
8th Grade
Used 17+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Rubidium is a Group I metal.
Which statement about rubidium is not correct?
It has a higher melting point than lithium.
It has one electron in its outer shell.
It reacts vigorously with water.
It reacts with chlorine to form rubidium chloride
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which statements about Group I and Group VII elements are correct?
1 In Group I, lithium is more reactive than potassium.
2 In Group VII, chlorine is more reactive than fluorine.
Statement 1 : true
Statement 2 : true
Statement 1 : true
Statement 2 : false
Statement 1 : false
Statement 2 : true
Statement 1 : false
Statement 2 : false
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Element X is in Group I of the Periodic Table.
Which row shows the type of oxide and whether element X is metallic or non-metallic?
Type of oxide : acidic
It's metallic
Type of oxide : acidic
It's non-metallic
Type of oxide : Basic
It's metallic
Type of oxide : Basic
It's non-metallic
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Part of the Periodic Table is shown.
Which element is a gas that does not form a compound with potassium?
A
B
C
D
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Hydrogen and helium have both been used to fill balloons.
Which property of helium makes it the preferred choice to hydrogen?
easily compressed into a gas cylinder
forms monatomic molecules
lower density
unreactive
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
An inert gas X is used to fill weather balloons.
Which descriptions of X are correct?
number of outer electrons in atoms of X is 2
structure of gas X is single atom
number of outer electrons in atoms of X is 2
structure of gas X is diatomic molecule
number of outer electrons in atoms of X is 8
structure of gas X is single atom
number of outer electrons in atoms of X is 8
structure of gas X is diatomic molecule
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Why is argon gas used to fill electric lamps?
It conducts electricity.
It glows when heated.
It is less dense than air.
It is not reactive.
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