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A bit of chemistry help?
Hi there,
I'd like to know what the product of 13 cm and 5.7 cm is correctly reported as. The choices are 74cm^2, 74.0cm^2, 74.1cm^2,or 75cm^2. Also, in metallic bonds, the mobile electrons surrounding the positive ions are called what? A Lewis structure, an electron sea, an electron cloud, or a dipole. Any help would be greatly appreciated. Thanks.
First question: 74 cm^2 (each of the multipliers only have 2 significant figures)
Second Question: electron sea
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