The nucleus.
nucleus
The nucleus is the central part of the atom. (It's in the center)
In the nucleus of an atom, the positively charged particles are called Protons.
The central part or the nucleus
the mitochondria
a nucleus cant be a central atom. the nucleus is part of the atom. you are probably talking about why certain atoms are central atoms in a molecule and why some arent. the answer to that question is that the more electronegative atom will always appear as a central atom.
The central part of an atom is called the nucleus. It contains protons and neutrons, surrounded by orbiting electrons.
The nucleus is the central part of the atom. (It's in the center)
... is called the nucleus.
The part of the atom that contains neutrons and protons is called the nucleus.
Protons are the positively charged particles located in an atom's nucleus.
It is neither. It is the central part of an atom.