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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.
Name two elements of each group.
How do atomic structures (electron arrangements) change in a period with an increase in atomic numbers moving left to right?
What happens to the number of valence electrons in atoms of elements as we go down a group of the periodic table?
How do alkaline earth metals occur in nature?
Give reason:
Alkali metals are kept in an inert solvent.
State the main helpful features of the long form of the periodic table.
Select the correct answer from the options given below.
The most reactive halogen from group 17.
Give a reason for the following:
Group 1 [I – A] elements are called alkali metals.
State the following:
The group from the groups 1 [IA], 2 [IIA], 16 [VIA] and 7 [VIIA] whose elements are most electronegative.
