CH-158
Electronic configuration
Chemistry · Secondary 3 · Hard · Electronic configuration
An element X has the electron configuration 2.8.2.
Which statement about X is correct?
Which statement about X is correct?
- X is a Group II metal that forms X²⁺ ions.
- X is a Group II non‑metal that forms X²⁻ ions.
- X is a Group VI non‑metal that forms X²⁻ ions.
- X is a Group VI metal that forms X⁶⁺ ions.
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