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Ernest Rutherford discovered that atoms contain electrons, protons, and neutrons through his gold foil experiment in 1909. This experiment led to the development of the nuclear model of the atom.
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Which particle is not found in the nucleus?
Atoms are the building blocks of matter. Atoms are made up of electron, neutron and proton particles. Electrons are negatively charged, neutrons are neutral and protons have a positive charge.
Describe the charges and types of particles that make up all atoms?
All atoms are made up of protons, neutrons, and electrons. Protons have a positive charge, neutrons have no charge, and electrons have a negative charge. Protons and neutrons are located in the nucleus of the atom, while electrons orbit the nucleus in electron shells.
Does electron weigh more or less then proton and neutron?
Protons are made up of Subatomic Particles, in this case a Proton Atom is made up of two Up quarks, and one Down quark. The mass of an Up Quark is 2.4 MeV/c2 and the mass of a Down quark is 4.8 MeV/c2. Electrons are still in the Subatomic Particle Table, an Electron is a type of Lepton. An Electron's mass 0.511 MeV/c2 which is a lot less than a Proton, even less than a Up quark itself (the lightest quark). In most cases when talking about Atoms and their mass Electrons don't normally have an effect on their mass, only the Neutrons and Protons in the Atom. This should answer the Question.
Three particles that make up an atom?
Protons, neutrons, and electrons are the three particles that make up an atom. Protons and neutrons are found in the nucleus of the atom, while electrons orbit around the nucleus.
Who was the scientist that discovered neutrons?
James Chadwick is the scientist credited with the discovery of neutrons in 1932. He conducted experiments that led to the identification of the neutron as a fundamental particle found in the nucleus of atoms.
What component of atoms have no charge?
The neutron has no charge. The proton is + and the electrons is -
What is the organization of atoms?
It is proton neutron in the nucleus and then electrons in the electron cloud.
Which particle has no charge Electron Positron Neutron Proton?
Atoms have equal numbers of protons and electrons.
Which two particles have roughly the same mass?
Protons and neutrons have almost the same mass.
If a proton is negative and a neutron is positive when they come together equally how can there be positive and negative atoms?
Loss or gain of electrons.
Who discovered that atoms contain subatomic particles?
J.J. Thomson discovered the first subatomic particle, the electron, in the late 19th century through his experiments with cathode rays. This discovery led to the understanding that atoms contain subatomic particles.
Which particle is not found in the nucleus?
Atoms are the building blocks of matter. Atoms are made up of electron, neutron and proton particles. Electrons are negatively charged, neutrons are neutral and protons have a positive charge.
Are the proton atoms and the neutron atoms in the nucleus?
yes they are what makes up the atom
What are the three particles found in atoms?
Proton, Neutrons and Electrons. The protons and neutrons are found in the nucleus of tha atom, and are collectively named as 'nucleons'. Electrons are found in energy shells outside the nucleus. The analogy is the Sun is the nucleus , and the planets are the electrons!!!!
What word describes the group proton electron neutron?
Atoms
How many atoms are in atoms?
One! An atom is not made up of other atoms, but has a nucleus of a positively-charged proton and a neutrally-charged neutron. It is surrounded by a network of positively-charged particles called electrons. (sorry, NEGATIVELY charged particles called electrons!)
What are the subparticlles of atom?
Protons, neutrons and electrons. There are other particles that in turn make up these particles [but that was not the question]
