Which element is a metal from the lanthanide series?

rutherfordium (Rf)
americium (Am)
mendelevium (Md)
dysprosium (Dy)

The teacher is mostly talking about the distillation of a mixture

Bis the

Idon't know hope someone you

The atomic nucleus made up from protons (yellow) and neutrons (blue) and held together by nuclear forces. nuclear forces (also known as nuclear interactions or strong forces) are the forces that act between two or more nucleons. they bind protons and neutrons (“nucleons”) into atomic