An element has 2 naturally occurring isotopes with the following masses and abundances. A. Calculate the atomic weight of the element. ( Percentage 75.78% 24.22% Isotope mass 34.97 amu 36.97 amu B. What is the element? C. How many neutrons does the haavier.isotope have? (Round to whole number D. Write out the electron configuration for the element. E. What type(metalinonmetal) of olement is it? F. If the element above gains 1 electron what neutral element has the same number of electrons with it?

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ChapterU1: Alchemy: Matter, Atomic Structure, And Bonding
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**Isotopic Calculation and Element Identification Exercise**

An element has 2 naturally occurring isotopes with the following masses and abundances:

A. **Calculate the atomic weight of the element.**

| Isotope mass | Percentage |
|--------------|-------------|
| 34.97 amu | 75.78% |
| 36.97 amu | 24.22% |

B. What is the element? ______

C. How many neutrons does the heavier isotope have? ______ (Round to whole number)

D. Write out the electron configuration for the element. ______

E. What type (metal/nonmetal) of element is it? ______

F. If the element above gains 1 electron, what neutral element has the same number of electrons with it? ______
Transcribed Image Text:**Isotopic Calculation and Element Identification Exercise** An element has 2 naturally occurring isotopes with the following masses and abundances: A. **Calculate the atomic weight of the element.** | Isotope mass | Percentage | |--------------|-------------| | 34.97 amu | 75.78% | | 36.97 amu | 24.22% | B. What is the element? ______ C. How many neutrons does the heavier isotope have? ______ (Round to whole number) D. Write out the electron configuration for the element. ______ E. What type (metal/nonmetal) of element is it? ______ F. If the element above gains 1 electron, what neutral element has the same number of electrons with it? ______
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