10. The statement that no two electrons in the same atom can have the 7. Among the following groups
of atoms, which have the same
number of electrons in their
outermost energy level?
A) Na, Mg, Al and Si
B) Ca, K, Al and Ne
C) Mg, Ca, Sr and Ba.
D) H and He

10.the pauli exclusive principle statues that, in an atom

or molecules, no two electrons can have same four electronic quantum numbers.as an orbit can contain a maximum of only two electrons.the two electrons must have opposing spins

away from the curb

explanation:

the wheels would then hit the curb if it started to rolling, decreasing the chance of an accident.

i think it's c. i'm not sure but i think so.