A SUBATOMIC particle is a particle that composes an atom.
Everything in the universe is made of atoms, microscopic pieces of matter.
Which subatomic particle has a negative charge?
Atoms are incredibly tiny and are difficult to see even under a microscope.
There are 100 different kinds of atoms – 92 natural and 8 man-made.
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They consist of smaller particles called subatomic particles.
The subatomic particle can either be a composite particle such as a proton, neutron, or meson or an elementary particle such as an electron, photon, or muon.
The subatomic particle that has a negative charge is the electron.
Out of the three subatomic particles that compose an atom, the electron has the smallest mass.
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An atom contains an equal number of positively charged protons and negatively charged electrons.
For example, the hydrogen atom has one electron and one proton, and the uranium atom has 92 protons and 92 electrons.
An electron can either be free or attached to an atom in spherical shells representing energy levels.
Unlike protons and neutrons, electrons are not constructed from smaller components.
What are the other subatomic particles?
The subatomic particles are divided into three types, protons, neutrons and electrons.
Protons
A proton is a stable subatomic particle with a positive electric charge in the nucleus of an atom.
Every element in nature has at least one proton.
Its mass is the same as a neutron but 1840x greater than the mass of electron.
Neutrons
Neutrons have no charge.
The number of neutrons in a nucleus can determine the atom’s mass and radioactivity.
The tiny particles are found in all atoms except hydrogen and they are slightly heavier than protons.
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There are even stars made of neutrons.
When they are free neutrons are radioactive which is the reason they are the key Neutrons are the key to nuclear power and nuclear weapons.
