A student working in a lab‘s reacting calcium oxide with water by dropping lumps of calcium oxide into distilled water which actions are changes in the student make to increase the number of effective collisions between calcium oxide and water

D)can be increased in a closed system

There is one s orbital, and there are three p orbitals, five d orbitals, and seven f orbitals. thus, the answer is b. do not confuse the number of orbitals in a subshell with the number of electrons the subshell can hold. each orbital can hold two electrons, so the capacity of an nf subshell is 14 electrons.

Rn in the right answer