Answer to Question #241069 in General Chemistry for Ma'am

Question #241069

If the atomic radius of sodium atoms is 1.86 × 10⁻¹⁰ m, how many sodium atoms are needed to make a line that is 1.00 cm in length?

Expert's answer

= 1.86 × 10^-10×100 = 1.86 × 10^-8

= 1/1.86 × 10^-8 = 5.376344086 × 10⁷ sodium atoms

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