Reactive metals are metals that readily combine with oxygen at elevated temperatures to form very stable oxides, for example titanium, zirconium, and beryllium. Reactive metals may also become embrittled by the interstitial absorption of oxygen, hydrogen, and nitrogen.
Generalic, Eni. "Reactive metal." Croatian-English Chemistry Dictionary & Glossary. 29 June 2022. KTF-Split. {Date of access}. <https://glossary.periodni.com>.
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Periodic Table