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  1. Atomic Mass | Definition, Characteristics & Examples - Study.com

    Atomic mass is the total mass of particles of matter in an atom, i.e., the masses of protons, neutrons, and electrons in an atom added together.

  2. Atomic Nucleus | Definition & Structure - Lesson | Study.com

    The nucleus contains two subatomic particles: the protons and the neutrons. Protons are positively charged particles with a mass of approximately 1 amu (atomic mass unit).

  3. The Three Isotopes of Hydrogen | Differences & Properties

    Learn the three isotopes of hydrogen. Learn the number of protons and neutrons in each of the isotopes of Hydrogen along with their atomic and mass numbers.

  4. Atomic & Mass Number | Overview & Difference - Study.com

    What is Atomic Number and Mass Number? All atoms contain subatomic particles with various masses, locations, and charges. These subatomic particles are known as protons, neutrons, …

  5. nuclear physics - Can an electron and a proton be artificially or ...

    Jan 10, 2021 · I think the electrons and protons should be very close to eachother for a "long" time, what is not the case in this setup, but I'm not completly sure. In fusion the source of …

  6. Why can atoms only gain or lose electrons and not protons?

    Jan 23, 2022 · I know that an object can become net negative or net positive by losing or gaining electrons, and having more or fewer protons than electrons but why can't protons be …

  7. Subatomic Particles | Properties, Characteristics & Types - Study.com

    Subatomic particle examples include the protons, neutrons, and electrons found in an atom. They also include other particles that make up these protons, neutrons, and electrons. Alpha and …

  8. energy - Why protons and neutrons don't have less mass than …

    Feb 12, 2023 · Why protons and neutrons don't have less mass than their constituents? Ask Question Asked 2 years, 9 months ago Modified 2 years, 8 months ago

  9. Isotope | Examples, Types & Identification - Lesson | Study.com

    The protons and neutrons are found in the atom's nucleus, while the electrons occur in a cloud around this nucleus.

  10. How to Determine the Number of Neutrons in an Isotope from its …

    Learn how to determine the number of neutrons in an isotope from its mass number, and see examples that walk you through step-by-step to improve your physics knowledge and skills.