Question

1.The emitted electrons from metals are called

a) Valence electrons
b) Mobile electrons
c) Core electrons
d) Ultimate electrons

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Answer 1

$\huge{\underline{\underline{\mathfrak{Answer :}}}}$

$\implies$ The emitted electrons from metals are called :

• Valence electrons ✔️
• Mobile electrons
• Core electrons
• Ultimate electrons

The correct answer is Option A (Valance electrons).

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$\huge{\underline{\underline{\mathfrak{Additional \ Information :}}}}$

• Valence electrons are the outermost electrons in any atom.
• These are the electrons that are available for bonding with other atoms.
• First Known Use of valence electron was done in 1922.
• For example, oxygen has six valence electrons, two in the 2s subshell and four in the 2p subshell.

Answer 2

Required Answer:-

The emitted electrons from metals are called

• a) Valence electrons ✔︎
• b) Mobile electrons
• c) Core electrons
• d) Ultimate electrons

Explanation:

The emitted electrons from metals are called valence electrons. They are emitted from the outer shell. Not only, the electrons are removed from metal but also some non metals.

• Valence electrons : This are electrons in an atom that participate in bond formation.
• Mobile electrons : This electrons move from one atom to another in any chemical structure.
• Core elements : This are electrons other than valence electrons that don't participate in bond formation.
• Ultimate electrons : This are electrons present in outermost shell of an atom from where electron can be added or removed.