Answered

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Write the atomic symbols for isotopes with the following characteristics34 protons and 45 neutronsExpress your answer as an isotope.

Sagot :

Answer and explanation:

Isotopes have the same Atomic number (that's why the have the same number of protons), but different Mass number (that's why they have different number of neutrons).

So, to find the isotope, we have to look for in the Periodic Table of Elements, the element with the same number of protons (34), and we can find it by its Atomic number.

The atom with Atomic number 34 is Selenium with a Mass number of 79, and its symbol is:

[tex]Se^{79}_{34}^[/tex]

An isotope of Selenium could be:

[tex]\begin{gathered} Se^{78}_{34} \\ . \\ Se_{34}^{80} \end{gathered}[/tex][tex]\begin{gathered} \\ \end{gathered}[/tex]

78Se is an isotope of Selenium with 44 neutrons and 80Se is an isotope of Selenium with 46 neutrons.

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