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Elina [12.6K]
3 years ago
12

The metal which is actually oxidized/reduced in a lithium ion battery is: a. Cobalt b. Lithium c. Manganese d. Zinc

Chemistry
1 answer:
Usimov [2.4K]3 years ago
8 0

Answer:

b. Lithium

Explanation:

<u>Lithium-ion batteries (LIB) is a rechargeable battery</u>. It was first proposed by M stanley  Whittingham in 1970s. These kind of batteries are commonly used in electrical vehicles and portable electronics. It also have military , naval and aerospace applications.

<u> In LIB, the lithium ions move from the negatively charged electrode to the positively charged electrode during the discharge process and move in the reverse direction when the during the charging process.</u> The battery uses an intercalated lithium compound is used to form anode and graphite is used to form cathode.

<u>Thus, Lithium is oxidized/reduced in a lithium ion battery.</u>

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Sodium electron configuration in longhand notation
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Answer:

Na₁₁ = 1s² 2s² 2p⁶ 3s¹

Explanation:

Sodium is present in group 1.

It is alkali metal.

It has one valence electron.

The atomic number of sodium is 11.

Its atomic mass is 23 amu.

The longhand notation of electronic configuration of sodium can be written as,

Na₁₁ = 1s² 2s² 2p⁶ 3s¹

The electronic configuration in shorthand notation( noble gas) would be written as,

Na₁₁ = [Ne] 3s¹

Sodium loses its one valence electron to complete the octet and get stable thus form +1 cation.

It react with halogen and form salt. Such as sodium chloride.

2Na + Cl₂  →  2NaCl

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