Acompound is broken down into 34.5 g of element a, 18.2 g of element b, and 2.6 g of element
c. what is the percent (by mass) of each element?

8

explanation:

each principal energy level above the first contains one s orbital and three p orbitals. a set of three p orbitals, called the p sublevel, can hold a maximum of six electrons. therefore, the second level can contain a maximum of eight electrons - that is, two in the s orbital and 6 in the three p orbitals.

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pie chart because it is in percents ( % )