1s2 2s2 2p1
fifth electron is in 2p orbital
so answer is 2 2 -1 -1/2 , or 2 2 -1 1/2
*1/2 and -1/2 are spins, so they are interchangeable when writing the first electron in the ml
Fe2O is the formula for that
“Metal ions are typically smaller than their corresponding neutral atoms”
Answer) Smaller
A scientific theory is a well tested explanation of a natural phenomenon.
