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Rina8888 [55]
3 years ago
10

Is air a molecule or a mixture

Chemistry
1 answer:
kherson [118]3 years ago
7 0
Air is a mixture.  Air is a mixture of different air molecules such as nitrogen, oxygen, carbon dioxide, and so on.

I hope this helps.  Let me  know if anything is unclear.
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What is the isotope notation for an ion of silver-109 with a charge of positive 1
Arisa [49]

Answer:

The isotope notation for an ion of silver-109 with a charge of positive 1 is _{47}^{109}Ag^{1+}.

Explanation:

The elements with same atomic number with different mass numbers are called isotopes.

The isotopes of silver is as follows.

_{47}^{109}Ag,_{47}^{107}Ag

From the above two isotopes have same atomic number and different mass number.

From the given,the isotope notation for an ion of silver-109 with a charge of positive 1

It can be represented is as follows.

_{47}^{109}Ag^{1+}

General representation of isotope is as in attachment.

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