An s-block element is a substance that has an electron in an s orbital.
An p-block element is a substance that has an electron in an p orbital.
An d-block element is a substance that has an electron in an d orbital.
An s-block element is a substance that has an electron in an s orbital.
An p-block element is a substance that has an electron in an p orbital.
An d-block element is a substance that has an electron in an d orbital.