kaitlyn1511
kaitlyn1511
21-03-2016
Chemistry
contestada
Can you help answer #10 please?
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nobrains
nobrains
21-03-2016
Just like in algebra, coefficients are before the variable, in chemistry it's before the element name/letters. So in 2Al, 2 is the coefficient.
Subscripts are the small numbers (sub) that you see after the element letters. In H2, the subscript is 2.
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