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प्रश्न
Give reason:
Alkali and alkaline earth metal compounds usually form electrovalent compounds.
उत्तर
Alkali metals and alkaline earth metals have 1 and 2 valence electrons, respectively, in their outermost shell.
They can lose electrons to atoms of non-metals to form an electrovalent compound.
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संबंधित प्रश्न
What are the following group known as?
Group 1
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 and state the following with reference to the elements of the first three periods of the periodic table.
Group whose elements have zero valencies.
Name the alkali metals, How many electron(s) they have in their outermost orbit.
Name the gas used in:
Filling balloons
Name the gas used in:
Bright colour advertising light works
Write a short note on the following type of element –
alkali metals
Write a short note on the following type of element –
alkaline earth metals
Write a short note on the following type of element –
noble gases
State the following:
The group from the groups 1 [IA], 2 [IIA], 16 [VIA] and 7 [VIIA] whose elements are most electronegative.
