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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 17
Name and state the following with reference to the elements of the first three periods of the periodic table.
Noble gas with duplet arrangement of electrons.
Name the method by which alkali metals can be extracted.
Write the electronic configuration of the first two alkaline earth metals.
Name the gas used in:
Light bulbs
Select the correct answer from the options given below.
The most reactive halogen from group 17.
Give a reason for the following:
Noble gases do not form compounds readily.
State the following:
The group whose elements are unreactive or inert.
State the following:
The group which contains highly reactive electronegative non-metals including chlorine.
