Based on the electron configuration of the two atoms, predict the ratio of metal cationic (+) atom
to nonmetal anionic (-) atom in the compound.
Beryllium 1s22s2
Chlorine 1s22s22p%3s23p5
A. 2:3
B. 1:2
C. 2:1
D. 3:2

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Sylvanite is a mineral that contains 28.0% gold by mass. how much sylvanite would you need to dig up to obtain 77.0 g of gold? explain how you got your answer and the steps you took. you

How does concentration affect reaction rate