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The three major components of an atom are protons, neutrons, and electrons. Protons and neutrons are found in the nucleus at the center of the atom, while electrons orbit the nucleus in energy shells.
The main three particles that make up the atom are, in the nucleus, positively charged protons and neutral neutrons and, in the various electron shells surrounding the nucleus, negatively charged electrons. The number of protons determines the atomic number of the atom and its properties. The number of neutrons can vary for any given atomic number, providing isotopes of the element. Electrons can be gained or lost to form negative or positive ions. Protons, neutrons, and electrons are the basic components. If you need to be more in detail, there are things called quarks that make up those components.
The modern atom is known to have three main components located in two regions.
- At the center of the atom is the nucleus, which consists of:
> protons: positively charged particles
> neutrons: neutrally charged particles
It is assumed that the neutrons are needed to hold the protons together in the nucleus. The force holding these particles together is known as the 'nuclear binding force', known to be one of the strongest forces in nature.
- The other region is the one which surrounds the nucleus and is called an electron cloud. It consists of:
> electrons: negatively charged particles
The electrons are present in different energy levels around the nucleus in so-called electron shells. Each shell can only contain a limited number of electrons
The 3 major componests of an atom are called subatomic particles, which are electron, proton and neutron.
The atom is made up of the nucleus and orbiting electrons. The nucleus is made up of protons and neutrons.
A nucleus comprised of protons and neutrons, along with electrons.
Proton(s), Neutron(s) [Not necessary eg. Hydrogen], and Electron(s).
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