Group 2 - Alkaline Earth Metals
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Science, Physics, Chemistry, Engineering
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6th Grade - University
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Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a characteristic of alkaline earth metals?
They have two electrons in their valence shell.
They are stored in oil, except for magnesium.
They form ions with a plus 2 charge.
They are located in group 1 of the periodic table.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of magnesium reacting with oxygen?
Magnesium chloride
Magnesium oxide
Magnesium sulfate
Magnesium carbonate
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does calcium's hardness compare to magnesium?
Calcium is brittle compared to magnesium.
Calcium is softer than magnesium.
Calcium and magnesium have the same hardness.
Calcium is harder than magnesium.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What color flame does calcium produce when it reacts with oxygen?
White
Blue
Green
Red
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is formed when calcium oxide reacts with water?
Calcium hydroxide
Calcium carbonate
Calcium sulfate
Calcium nitrate
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which gas is produced when magnesium reacts with steam?
Hydrogen
Nitrogen
Carbon dioxide
Oxygen
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the reactivity of calcium with water compare to magnesium?
Calcium and magnesium have the same reactivity.
Calcium does not react with water.
Calcium is more reactive than magnesium.
Calcium is less reactive than magnesium.
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