Chemistry
Grade-9
Easy
Question
Which are the alkaline earth metals?
- Calcium, Magnesium, Beryllium, Strontium, Barium, Radium.
- Calcium, Strontium, Barium.
- Calcium, Magnesium, Strontium, Barium.
- Calcium, Magnesium, Beryllium, Strontium, Barium.
Hint:
Second group elements except beryllium are alkaline earth metals.
The correct answer is: Calcium, Magnesium, Strontium, Barium.
First group elements of periodic table are called alkali metals. Alkali metals comprises of sodium, potassium, rubidium, cesium, francium.
Second group of the periodic table are called alkaline earth metals. Alkaline earth metals comprises of magnesium, calcium, strontium, barium.
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