ما هو الاختيار الصحيح

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Understand the Problem

السؤال يطلب تحديد الخيار الصحيح بناءً على معادلات كيميائية تتضمن الفلزات A و B وطاقة عالية. الهدف هو فهم التفاعلات المحتملة بين الفلزات المعطاة.

Answer

Sc, Ti

The correct choice is (ب) Sc, Ti.

Answer for screen readers

The correct choice is (ب) Sc, Ti.

More Information

Scandium (Sc) and Titanium (Ti) are known for their ability to form stable +3 oxidation states, and require significant energy to reduce to a +1 state.

Tips

Ensure to check the oxidation states and required energy changes of elements while analyzing such problems.

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