Question

Q. Differentiate between the following (two differences each)-


(i) Lithium atom and Lithium cation.


(ii) Oxygen atom and oxide ion.


(iii) Isotopes and isobars ​

Answer 1

Answer:

༺The practical difference between Lithium batteries and Lithium-ion (Li-ion) batteries is that most Lithium batteries are not rechargeable but Li-ion batteries are rechargeable. ... A lithium battery should never be recharged while lithium-ion batteries are designed to be recharged hundreds of times.꧂

༺An oxide (/ˈɒksaɪd/) is a chemical compound that contains at least one oxygen atom and one other element in its chemical formula. "Oxide" itself is the dianion of oxygen, an O2– (molecular) ion. Metal oxides thus typically contain an anion of oxygen in the oxidation state of −2.꧂

༺Isotopes are atoms with the same number of protons but differing numbers of neutrons. Isobars are atoms of different chemical elements having equal values for atomic mass. Isotopes have the same atomic number. Isobars have different atomic numbers.꧂

Explanation:

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Answer 2

Explanation:

(iii)

ISOTOPES:-

1.Isotpes are atoms of same element having same atomic number but different mass number.

2.Chemical properties of isotopes of an element are same.

ISOBARS:-

1.Isobars are are atoms of different elements having same Mass number but different atomic numbers.

2.Isobars exhibit different chemical properties.

(i)

1 .LITHIUM atom is neutral in nature

2. It is unstable .

1.LITHIUM ion is positively charged.

2.It is stable.

(ii)

1.OXYGEN atom has electronic configuration

1s^2 2s^2 2p^4.

2.It is unstable.

1.OXIDE ion has electronic configuration

1s^2 2s^2 2p^6

2.It is stable.

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