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4 votes
Which pair of species have the most nearly

identical atomic and molecular properties?
1. 35/17Cl and 80/35Br
2. 7/3Li and 9/4Be
3. 23/11Na and 23/11Na+
4. 19/9F and 19/9F−
5. 12/6C and 13/6C

2 Answers

6 votes

Final answer:

Option 3, 23/11Na and 23/11Na+, have the most nearly identical atomic and molecular properties.

Step-by-step explanation:

The pair of species with the most nearly identical atomic and molecular properties is option 3, 23/11Na and 23/11Na+.

User Lknls
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8.0k points
0 votes
Since Electro Negativity will change their reactions the answer should be number 5. 12/6c and 13/6c. This is due to the fact that there is only one neutron difference between the two.
User Stefan Scherfke
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8.0k points
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