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100 POINTS!Will give you brainliest...PLZHELP!!!For the following questions, use a periodic table and your atomic calculations to find the unknown information about each isotope: You have an neutrally charged isotope with a mass number of 99 and an atomic number of 43. Which element is it? Tc: Technetium Es: Einsteinium Xe: Xenon Sc: Scandium

Sagot :

ChoiSungHyun

Explanation:

Atomic number is the number of protons found in the element's atom. Since it has atomic number 43, we find the 43rd element in the Periodic table, which is Technetium. (Tc)

P.S. Mass number is the number of protons and neutrons in the element's atom

Answer:

Atomic number is the number of protons found in the element's atom. Since it has atomic number 43, we find the 43rd element in the Periodic table, which is Technetium. (Tc)

Explanation:

ChoiSungHyun

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