Multiple choice general knowledge science & technology

What do two or more elements combine to form?

  1. metal

  2. noble gas

  3. compound

  4. atom

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

When two or more different elements chemically bond together, they form a compound. A compound is a substance made from two or more different elements that are chemically combined in fixed proportions. Elements are pure substances that cannot be broken down, while compounds are combinations of elements.