PHYSICAL SCIENCE
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Science Bowl Question

📅 NSB Middle School 2009🎓 MS🔄 Round 7#️⃣ Question 6❓ TOSS-UP📝 Multiple Choice

What is the mass of an electron:

W) about the same as a proton
X) about 1/2 as much as a proton
Y) about 1/1,800th of a proton
Z) electrons have no mass
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