Multiple choice general knowledge science & technology

The atomic number of oxygen is

  1. Ten

  2. Sixteen

  3. Eight

  4. Thirty Two
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Oxygen has 8 protons in its nucleus, giving it atomic number 8. Carbon has atomic number 6, sulfur has 16, and germanium has 32. The atomic number defines an element and equals its proton count.

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