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An isotope of the element

Element X has three isotopesIsotope 1 Isotope 2 Isotope 3 Mass 28 29 30 Abundance % 92.18 4.71 3.12 ii)Use the isotope
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2. asked by 0oooooooo0
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What information is needed to calculate the average atomic mass of an element?A. The relative abundance of its isotope** B. The
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2. asked by HELP PLEASE!
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A fictitious element X is composed of 78.0% of the isotope X-50, 15.0% of the isotope X-51 , and 7.0% of the isotope X-52.
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2. asked by Gxlden
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What is the difference between an element and an isotope?An isotope is an element with a different number of neutrons. An
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A fictitious element X is composed of 70.0 percent of the isotope X^45, 20.0 percent of the isotope X^ 46, and 10.0 percent of
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2. asked by PLEASE HELP
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A fictitious element X is composed of 10.0 percent of the isotope 55^X , 20.0 percent of the isotope 56^X , and 70.0 percent of
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2. asked by Cassie
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Element xIsotope 55x 60% Isotope 56x 30% Isotope. 57x 10% 55× 60 =3300 56×30=1650 57× 10= 570 Add them up5520 divide by 100
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2. asked by lulu
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I don't understand, according to the periodic table at web elements;An isotope of Element 116 (292Uuh) was identified in the
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2. asked by Shove
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An element consists of 1.40% of an isotope with mass 203.973 amu, 24.10% of an isotope with mass 205.9745 amu, 22.10% of an
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2. asked by Caleb
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What information is needed to calculate the average atomic mass of an element?A. the charge on each isotope B. the relative
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