Key difference – Percent abundance vs family member Abundance  

Percent abundance and relative diversity are percent values that chemical aspects that represent their occurrence in the environment. The key difference between percent abundance and also relative diversity is that percent abundance offers the variety of isotopes whereas family member abundance offers the abundance of chemical elements. The percent abundance deserve to be provided to determine the mean atomic massive of a particular chemical element. Loved one abundance provides the event of a details chemical facet in a provided environment, i.e, on earth.

You are watching: What is the difference between percent abundance and relative abundance

CONTENTS

1. Overview and an essential Difference2. What is Percent Abundance 3. What is family member Abundance4. Similarity Between Percent Abundance and Relative Abundance5. Side by side Comparison – Percent Abundance vs relative Abundance in Tabular Form6. Summary

What is Percent Abundance?

Percent abundance is the percent amount of every naturally occurring isotopes of one element. Isotopes are atoms of the same aspect that have identical atom numbers yet different massive numbers. This way isotopes room atoms having the same variety of protons in the atomic nucleus, yet different number of neutrons.


Figure 1: isotopes of Different facets can be offered to discover their typical Atomic Masses


Isotopes that each element occur naturally in different ratios. The percent diversity of one isotope shows the probability the finding that isotope in nature since aspects can be discovered as a mixture that isotopes. The percent abundance can be used to discover the atomic mass that the element. The atomic mass can be discovered using the following equation.

Average atom mass = ∑ (mass that isotope x percent variety of isotope)

Let united state consider an example to know this. The most stable, naturally occurring isotopes the chlorine room Cl-35 (mass = 34.969 and also percent diversity = 75.53%) and Cl-37 (mass = 36.966 and percent diversity = 24.47%). Then,

The mean mass the chlorine = ∑ (mass of isotope x percent abundance of isotope)

= ∑ (34.969 x 75.53/100) + (36.966 x 24.47/100)

= 26.412 amu + 9.045 amu

= 35.46 amu.


What is loved one Abundance?

Relative diversity of an element is a measure of the occurrence of an facet relative to all other facets in the environment. There room three means to recognize the family member abundance of an element:

Mass fractionMole fractionVolume fraction

Volume portion method is most common for gaseous elements in gas mixtures, i.e, the atmosphere of earth. However, many relative abundance expressions space mass fractions.


Figure 2: A Graph mirroring Relative variety of facets on Earth’s upper Crust


When considering the universe, the many abundant chemical aspects are hydrogen and also helium. As soon as considering the earth, the most common facet is iron who mass portion is 32.1%. Other facets are oxygen (32.1%), silicone (15.1%), magnesium (13.9%), sulfur (2.9%) and other aspects are present in map percentages.

What space the Similarities between Percent Abundance and also Relative Abundance?

Both percent abundance and also relative diversity are percent values.Both percent abundance and also relative abundance express the percentages of various chemical elements.

What is the Difference in between Percent Abundance and also Relative Abundance?


Percent Abundance vs family member Abundance

Percent variety is the percentage amount that all naturally arising isotopes of an element.Relative diversity of an facet is a percentage of the incident of an aspect relative to every other aspects in the environment.
 Representation
Percent abundance gives the variety of isotopes.Relative abundance offers the abundance of chemistry elements.

Summary – Percent Abundance vs relative Abundance

Percent abundance and relative abundance room two terms used to provide the variety of isotopes and also chemical elements. The key difference in between percent abundance and also relative diversity is the percent abundance offers the diversity of isotope whereas relative abundance provides the diversity of chemical elements.

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Reference:

1. “Average atomic Mass.” mean Atomic Mass, , available here.2. “Abundance the the chemistry elements.” Wikipedia, Wikimedia Foundation, 25 Feb. 2018, obtainable here.3. Simoes, Christian. “Abundance of the chemistry elements.” Astrono, easily accessible here.

Image Courtesy:

1. “Isotope CNO” by Lucquessoy – Own job-related (CC BY-SA 3.0) via Commons Wikimedia2. “Elemental abundances” by Gordon B. Haxel, Sara Boore, and also Susan Mayfield native USGS; vectorized by User:michbich – (Public Domain) via Commons Wikimedia


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Filed Under: basic Chemistry Tagged With: to compare Percent Abundance and also Relative Abundance, Percent Abundance, Percent Abundance and Relative diversity Differences, Percent Abundance and also Relative abundance Similarities, Percent diversity Characteristics, Percent abundance Definition, Percent abundance Features, Percent abundance Representation, loved one abundance, family member Abundance Characteristics, loved one Abundance Definition, relative Abundance Features, relative Abundance Representation

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