nuetron and electron
nutrons
the center of an atom is called a nucleus. the nucleus contains the atom's protons and nuetrons.
The nucleus of an atom contains protons and neutrons. Different amount of neutrons- Isotopes. Different amount of protons- Different element.
The nucleus of an atom is the central part of an atom containing practically all the mass of the atom. The nucleus is composed from protons and neutrons.
11. The atomic number of any atom equals the number of protons in the atom.
nucleus
The "dense" central portion of an atom is called the nucleus. The nucleus of an atom contains neutrons and protons.
It contains the nucleons (protons and neutrons)
The nucleus, made up of protons and neutrons, contains most of an atom's mass.
The nucleus of an atom contains neutrons and protons and protons, in turn, contain quarks.
the center of an atom is called a nucleus. the nucleus contains the atom's protons and nuetrons.
nutrons
The nucleus
the nucleus
It is the nucleus. It is the middle of the atom
It contains protons and neutrons and no electrons.
The nucleus of an atom contains protons and neutrons. Different amount of neutrons- Isotopes. Different amount of protons- Different element.