which subatomic particles make up most of the mass of the atom brainly?
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Neutrons are located in the nucleus with the protons. Along with protons, they make up almost all of the mass of the atom. The number of neutrons is called the neutron number and can be found by subtracting the proton number from the atomic mass number.
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There are two types of subatomic particles: elementary and composite particles.
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The model suggests that atoms are made of smaller subatomic particles. In the middle of every atom is the nucleus. The nucleus contains two types of subatomic particles, protons and neutrons. The protons have a positive electrical charge and the neutrons have no electrical charge.
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Neutrons and protons constitute almost all of an atom's mass. The third type of stable particle is the electron. Electrons have a negative charge but are extremely small and have a mass only 1/1850 that of a proton or neutron. They are so small that for practical purposes they do not contribute to the mass of the atom.
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The three subatomic particles are protons, neutrons, and electrons. What are the 3 main subatomic particles? The nucleus contains protons and neutrons.
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Protons have a mass that is 1,836 times that of the electron, at 1.6726×10-27 kg, while neutrons are the most massive of the three, at 1.6929×10-27 kg (1,839 times the mass of the electron). The total number of protons and neutrons in an atoms' nucleus (called "nucleons") is called the mass number.
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Subatomic particle, also called elementary particle, any of various self-contained units of matter or energy that are the fundamental constituents of all matter.
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Three kinds of subatomic particles are electrons, protons, and neutrons.
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Sub-Atomic Particles. A typical atom consists of three subatomic particles: protons, neutrons, and electrons (as seen in the helium atom below). Other particles exist as well, such as alpha and beta particles (which are discussed below).
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Scientists once thought the most fundamental building block of matter was a particle called the atom. Now we know that the atom is made of many smaller pieces, known as subatomic particles. Every atom contains a central core called the nucleus, made of particles called protons and neutrons.
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The nuclei of most atoms also contain neutrons . The masses of subatomic particles are very tiny. Instead of writing their actual masses in kilograms, we often use their relative masses . The relative mass of a proton is 1, and a particle with a relative mass smaller than 1 has less mass.
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The nucleus of an atom normally contains two types of particle: the proton and the neutron. From what you have learned before, it may seem that protons and neutrons are fundamental particles. This would be a nice simple picture of matter: three particles that make up the Universe - protons, neutrons and electrons.
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The Brainliest Answer! Protons, neutrons, and electrons are the three main subatomic particles found in an atom.
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Sub-Atomic Particles. A typical atom consists of three subatomic particles: protons, neutrons, and electrons (as seen in the helium atom below). Other particles exist as well, such as alpha and beta particles (which are discussed below). The Bohr model shows the three basic subatomic particles in a simple manner.
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Protons and neutrons, each with masses of approximately one atomic mass unit, are collectively referred to as "nucleons" (particles present in atomic nuclei). One or more protons are present in the nucleus of every atom; they are a necessary part of the nucleus.
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Answer and Explanation: The subatomic particle with the largest mass is the neutron. However, the difference in mass between a neutron and proton is very small.
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Protons and neutrons are responsible for most of the atomic mass e.g in a 150 person 149 lbs, 15 oz are protons and neutrons while only 1 oz. is electrons. The mass of an electron is very small (9.108 X 10-28 grams). Both the protons and neutrons reside in the nucleus.