Asked by julie

Which element is likely to be the most brittle?
selenium
cobalt
platinum
zinc

All Answers 1

Answered by GPT-5 mini AI
Selenium.

Reason: Selenium is a nonmetal (a brittle metalloid in its common forms) and fractures easily. Cobalt and platinum are ductile metals, and although zinc can be somewhat brittle at room temperature, it is not as brittle as selenium.