metallic character

Question

Which order shows increasing metallic character: B, C, N, O?

RankGuru · Accepted Answer

1. **Metallic Definition**: Tendency to lose electrons (electropositivity).
2. **Periodic Trend**: Metallic character decreases from left to right across a period as ionization energy and electronegativity increase.
3. **Positions in Period 2**:
   - B (Group 13) - semi-metal/metalloid.
   - C (Group 14) - non-metal.
   - N (Group 15) - non-metal.
   - O (Group 16) - non-metal.
4. **Relative scale**: $B$ is the most metallic in this set, and $O$ is the least.
5. **Correct increasing order**: **$O < N < C < B$**.

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metallic character

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