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The Periodic Table — CHEMISTRY STD 9 — Question

ICSE BoardEnglish MediumSTD 9CHEMISTRYThe Periodic Table1 Mark
Question
Give reason:
Alkali and alkaline earth metal compounds usually form electrovalent compounds.
✓

Answer

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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