Nucleus

The small central region of an atom in which almost all its mass and its positive charge are concentrated.

The small central part of an atom that contains protons and neutrons and therefore has an overall positive charge.

The very small, central part of an atom that contains its protons and neutrons and almost all its mass.

A small, dense part at the centre of an atom that contains protons and neutrons.

The central part of an atom, containing protons and neutrons.

The very small central part of an atom, containing its protons and neutrons.

The small, positively charged central region of an atom introduced in Rutherford's nuclear model.

The very small, positively charged central region of an atom, containing protons and neutrons and almost all the atom's mass.

The compact central part of an atom containing its protons and neutrons.

The small, dense, positively charged centre of an atom.

The very small, positively charged central region of an atom in which most of the atom’s mass is concentrated.

A compact central region of an atom that contains most of its mass and has an overall positive charge.