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प्रश्न
Name the alkali metals, How many electron(s) they have in their outermost orbit.
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उत्तर
Name of the alkali metals: Lithium, sodium, potassium, rubidium, cesium, and francium
Electrons in the outermost orbit: 1
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संबंधित प्रश्न
Consider the following elements: Be, Li, Na, Ca, K. Name the elements of (a) same group (b) same period.
What are the following group known as?
Group 1
Name the first three alkaline earth metals.
How many electrons do inert gases have in their valence shells?
Name the gas used in:
Light bulbs
Give reason:
Alkali metals and halogens do not occur free in nature.
Give reason:
Inert gases do not form compounds.
State the characteristics which remain similar in moving down in a group of the periodic table.
Write a short note on the following type of element –
halogens
Give a reason for the following:
Group 1 [I – A] elements are called alkali metals.
