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25 November, 02:39

An unknown atom has 26 neutrons and an approximate atomic mass of 48 amu. what is the name of this element?

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  1. 25 November, 04:15
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    Answer is: the name of this element is titanium (Ti).

    n ° = 26.

    A = 48, atomic mass.

    The mass number A is sum of the atomic number Z and the number of neutrons.

    A = n° + p⁺.

    p⁺ = A - n°.

    p⁺ = 48 - 26.

    p⁺ = 22, number of protons.

    Z = p⁺, atomic number.

    The atomic number (proton number) uniquely identifies a chemical element.

    Titanium is transition metal with a silver color.
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