State the number of protons, neutrons, and electrons in an atom of 57/26 Fe.

Protons: 26, Neutrons: 31, Electrons 26

Protons: 31, Neutrons: 26, Electrons 31

Protons: 31, Neutrons: 57, Electrons 31

Protons: 26, Neutrons: 57, Electrons 26

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Topic 2 IB Chemistry

Silje Kjær Olsen 3 questions

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1Indium has two naturally occurring isotopes: indium-113 and indium-115. The relative atomic mass of indium is 114.82. Calculate the natural abundance of each isotope.
1. A91% indium-115; 9% indium-113
2. B76% indium-115, 24% indium-113
3. C9% indium-115, 91%indium-113
4. D24% indium-115, 76% indium-113
2Rhenium has two naturally occurring isotopes, 185Re and 187Re. The relative atomic mass of rhenium is 186.2. What are the natural abundances of these isotopes?
1. A40% 185Re and 60% 187Re
2. B60% 185Re and 40% 187Re
3. C12% 185Re and 88% 187Re
4. D88% 185Re and 12% 187Re
3State the number of protons, neutrons, and electrons in an atom of 57/26 Fe.
1. AProtons: 26, Neutrons: 31, Electrons 26
2. BProtons: 31, Neutrons: 26, Electrons 31
3. CProtons: 31, Neutrons: 57, Electrons 31
4. DProtons: 26, Neutrons: 57, Electrons 26

Description: IB Chemistry SL Quiz on Topic 2 IB Chemistry, created by Silje Kjær Olsen on 27/10/2018.
Author: Silje Kjær Olsen
Language: English
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Tags: ib chemistry sl
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