2. Hydrogen and metals form positively charged ions by electrons from their valence shell.
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When a metal loses its valence electrons it becomes a positively charged ion It is called an atom that loses one or more valence electrons to become a positively charged ion is known as a cation, while an atom that gains electrons and becomes negatively charged is known as an anion.
Explanation:
Why shell of an atom is positively charged?
Answer. chemical bonding. … atoms was the realization that electrons are arranged in shells that surround a central positively charged nucleus. ... Each ion thus attains a closed outer shell of electrons and takes on a spherical shape
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