"hese are also called inner transition elements. The first member of l

1.	"hese are also called inner transition elements. The first member of lanthanoids is lanthanum. These are the elements in which the last electron enters into 4f-orbital"
Answer» so what U WANT to ASK..... MAKE IT CLEAR !

"hese are also called inner transition elements. The first member of lanthanoids is lanthanum. These are the elements in which the last electron enters into 4f-orbital"

Answer»

so what U WANT to ASK.....