Use the drop-down menus to fill in the corresponding cells in the table to the right.
Particle
Relative
mass
Charge
A
B В
proton
А
B
D
D
neutral
DONE

1) how many electrons are in each energy level of the following elements? a. he b. na c. na d. ne 2) how many valence electrons are percent in the following atoms? a. s b. mg c. be d. cl 3) which of the following elements are stable as atoms? a. he b. o c. cl d. ar if you are able to provide the work as to how you got the answers that would be greatly appreciated. : )

An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5