11. The four cylindrical steps are placed in a stream to enable crossing. The radius of each step is
21 cm, and the heights are each 1 metre. Calculate the volume of sand, gravel and cement
22
used to lay all four steps. Use π=22
7
​

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.

It conforms what ever surface its in.

Answeramino acids;