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1. Build a atom for Fe

2. What is in your nucleus?

3. Is it stable or unstable?

1 answer

  1. Building an Atom for Iron (Fe):

    • An iron atom has an atomic number of 26, which means it has 26 protons in its nucleus.
    • The most common isotope of iron has 30 neutrons, giving it a mass number of 56 (26 protons + 30 neutrons).

  2. Contents of the Nucleus:

    • The nucleus of an iron atom contains:
      • 26 protons: These positively charged particles define the element as iron and determine its position on the periodic table.
      • 30 neutrons: These neutral particles contribute to the atomic mass and stability of the nucleus.

  3. Stability:

    • The common isotope of iron, \(^{56}\text{Fe}\), is considered stable. It does not undergo radioactive decay under normal conditions. Iron has several isotopes, but the lighter isotopes tend to be less stable, while \(^{56}\text{Fe}\), along with \(^{54}\text{Fe}\) and \(^{57}\text{Fe}\), are stable forms found in nature.