Atoms are the basic building blocks of ordinary matter. Atoms can join together to form molecules, which in turn form most of the objects around you.
Atoms are composed of particles called protons, electrons and neutrons. Protons carry a positive electrical charge, electrons carry a negative electrical charge and neutrons carry no electrical charge at all. The protons and neutrons cluster together in the central part of the atom, called the nucleus, and the electrons 'orbit' the nucleus. A particular atom will have the same number of protons and electrons and most atoms have at least as many neutrons as protons.
Protons and neutrons are both composed of other particles called quarks and gluons. Protons contain two 'up' quarks and one 'down' quark while neutrons contain one 'up' quark and two 'down' quarks. The gluons are responsible for binding the quarks to one another.
From inside to out, describe the components of an atom. What makes one element's atoms differ from another element's atoms?
3 answers
Proton. Protons are positively charged, and you can find them in the center of the atom in the nucleus. ...
Neutron. At the heart of all known atoms, except for a single hydrogen isotope, is the neutron. ...
Electron. Electrons are negatively charged, and they are the tiniest part of the atom with the least amount of mass.
Neutron. At the heart of all known atoms, except for a single hydrogen isotope, is the neutron. ...
Electron. Electrons are negatively charged, and they are the tiniest part of the atom with the least amount of mass.
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