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Loading... Mar 26, 2019 · In chemistry, a nucleus is the positively charged center of the atom consisting of protons and neutrons. It's also known as the "atomic nucleus". The word "nucleus" comes from the Latin word nucleus, which is a form of the word nux, which means nut or kernel.
- Anne Marie Helmenstine, Ph.D.
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What is a nucleus in chemistry?
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Aug 26, 2021 · The atomic nucleus is the tiny, dense core of an atom that contains protons and neutrons held together by the strong force. Collectively, the protons and neutrons in the nucleus are called nucleons. The number of protons in the atomic nucleus identifies the element of an atom.
Feb 2, 2023 · The nucleus (plural, nuclei) is defined as the dense, central part of an atom, consisting of two subatomic particles, namely protons and neutrons. A nucleus accounts for more than 99.9% of an atom’s mass but is 100,000 times smaller than it in size. They are thus the densest part of an atom.
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The nucleus consists of subatomic particles called neutrons, which are electrically neutral, and protons, which are positively charged. Because an atom is neutral overall, the number of positive protons in the nucleus and the number of negative electrons surrounding the nucleus are the same.
Jan 15, 2023 · Atoms are comprised of protons, neutrons and electrons. Protons and neutrons are found in the nucleus of the atom, while electrons are found in the electron cloud around the nucleus. The relative …
The atomic nucleus is the small, dense region consisting of protons and neutrons at the center of an atom, discovered in 1911 by Ernest Rutherford based on the 1909 Geiger–Marsden gold foil experiment.
Aug 10, 2022 · Bohr’s model and the current model are described in Chapter 6, "The Structure of Atoms." Image used with Permission (CC BY-SA-NC). The nucleus (plural, nuclei) is a positively charged region at the center of the atom. It consists of two types of subatomic particles packed tightly together.
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