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Science Bowl Question

๐Ÿ“… NSB 2011 Set 4๐ŸŽ“ HS๐Ÿ”„ Round 7#๏ธโƒฃ Question 15โ“ Toss-Up๐Ÿ“ Multiple Choice

What is the mass of an electron relative to a proton?

W) 9.1 x 10โปยณยน
X) 8.2 x 10โปยนโด
Y) 1/1836
Z) 0.51
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