I am the building block of matter, yet I am not stable alone. In pairs, I can form a bond or decay. What am I?
Category: Science · Difficulty: expert
Hint: Think about the fundamental components of protons and neutrons.
Answer
A fundamental particle
Explanation
Quarks are elementary particles that combine to form protons and neutrons but cannot exist independently in nature.
This is a expert science riddle — one of the harder riddles here. The answer is A fundamental particle.
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