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Science Bowl Question

📅 NSB Round Robin 2008🎓 MS🔄 Round 7#️⃣ Question 21🌟 BONUS📝 Multiple Choice

Which best explains the idea of conservation of matter in chemical reactions:

W) atoms are neither created or destroyed
X) the number of reactant molecules must equal the number of product molecules
Y) energy and matter are equivalent
Z) bond are either formed and/or broken
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