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If only an element's atomic

name the element wsith the atomic number z= 15 and the atomic mass number 31.How many electrons does the neutral of this lement
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2. asked by CHEMISTRY
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Part 1:Find the % by mass of each element in camphor (C10H20O). Step 1: Find the atomic mass of each element in the molecule.
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2. asked by Chelsea
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Element X consists of two major isotopes with the following percent abundances and atomic masses: 35.0% and 85.0 amu; and 65.0%
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2. asked by Anonymous
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An element has 8 protons and 8 neutrons in its nucleus and 8 electrons revolving around the nucleus. What is the atomic number
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How is the periodic table arranged?element name element symbol atomic mass atomic number
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What is unique about how the periodic table of the elements is organized?(1 point)ResponsesElements are in order so that each
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Which of the following statements about elements is false?A. An element is a pure substance. B. An element is made up of
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2. asked by ella
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What is unique about how the periodic table of the elements is organized?(1 point)Responses Elements are in order so that each
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2. 12 views
What is unique about how the periodic table of the elements is organized?(1 point) ResponsesElements are in order so that each
1. 1 answer
2. 51 views
The atomic mass of an element is the weighted average of all of its isotopes. The percent abundance for the element boron is
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2. asked by urgent please thxx
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