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Goryan [66]
3 years ago
13

Which of the following chemical formulas is a compound? a. Ne b. NaCl c. Cu d. C

Chemistry
2 answers:
Leya [2.2K]3 years ago
8 0

A compound is a combination of two or more elements. NaCl is a combination of sodium and chlorine which form table salt therefore it is the answer you are looking for.

You're welcome! :)

qaws [65]3 years ago
4 0

NaCl beacuse it has 2 elements combined

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Answer:

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Explanation:

Writing electronic configuration of any element you should know atomic number of that element ,

and also electrons are filling according to their energy level and first electron is filled in the lower energy orbital

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writing electronic configuration of ion can be done like first for their neutral atom and then add or remove electron it will make things easy because there are also some eception case their you may do wrong.

AU : [Rn] 5f^3 6d^1 7s^2

remove three electron from outer most shell of AU

AU^{3+} : [Rn] 5f^3

4 0
3 years ago
NEED HELP FAST!!
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Answer:

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Explanation:

Download pdf
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