An anion
nucleus
The "dense" central portion of an atom is called the nucleus. The nucleus of an atom contains neutrons and protons.
Protons carry positive charge and electrons carry negative charge, the central region of an atom composed of protons and neutrons is called the nucleus.
The central part of an atom is called the nucleus. Which contains electrons, protons and neutrons.
the center of an atom is called a nucleus. the nucleus contains the atom's protons and nuetrons.
That region is called the nucleus of the atom.
The part of the atom that contains neutrons and protons is called the nucleus.
The center of an atom (which contains the protons and neutrons) is called the atomic nucleus.
the denser part of an atom is the nucleus. about 99% of the mass of an atom is concentrated within the atom.
The nucleus of an atom is made up of particles called neutrons and protons. Neutrons have no charge, but protons are positively charged. Therefore the only charge present is a positive one.
The nucleus of the atom contains the protons and neutrons. The number of protons, called the "atomic number", determines what kind of element this is. There are almost always more neutrons in the nucleus than protons, except for very light elements. For example, hydrogen has one proton and no neutrons, while helium contains two protons and two neutrons.
The nucleus is in the middle, which consists of neutrons and protons. The electron cloud surrounds it in order to create a balance of electrical charge between the protons and the electrons. A cluster of protons and neutrons.