Choose the electron configuration for sodium (Na) in both longhand notation and noble-gas notation. A link to the periodic table is provided for you.
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Explanation:
- Sodium is the alkali metal belonging to 1st Group of Periodic table and the 3rd row of the periodic table.
- Sodium has the atomic number 11.
- Electronic configuration of an element is the notation of electrons according to the placement of them in respective shells and subshells.
- Longhand notation - K2 L8 M1. Or 1s2, 2s2, 2p6, 3s1.
- Noble Gas notation – [Ne] 3s1.
- These are the representation of electronic configuration of sodium in both longhand as shell and subshell, as well as noble gas notations.
To know:
A hydride of 2nd period alkali metal (A) on reaction with compound of Boron (B) to give a reducing agent (C). identify A , B and C.
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Answer:
its b
Explanation:
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