Chemistry

Chemistry, 30.07.2019 16:40, andybiersack154

An unknown element has an atomic number of 6 and an atomic mass of 13 .based on this information what is the identity of this unknown element

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Chemistry, 08.07.2019 21:30, jluvit6135

An unknown element (called z) is being researched in the lab. scientists perform mass spectrophotometry on a sample of the element z and find the element has four isotopes (mass data below). use the data in the table to determine the average atomic mass of the unknown element z. isotope atomic mass abundance z - 24 23.985 amu 78.90% z - 25 24.995 amu 10.00% z - 26 25.982 amu 11.00% z - 28 27.967 amu 0.10% fun question. best answer 10 points. : ) show your work!

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Chemistry, 11.07.2019 09:00, faithtunison

N1913, henry moseley discovered a way to calculate the atomic number for each element and it was determined to arrange the periodic table by atomic number and not atomic mass. why is atomic number the better way to organize the elements of the periodic table and not organizing by atomic mass? a: the atomic number and atomic mass are equivalent, so the atomic number is used because it is a smaller number. b: the atomic number can be different for atoms of the same element, so it makes the patterns of the periodic table more varied. c: the atomic number can vary based on the number of neutrons the atoms of the same element have, so the atomic mass may not be in order. also, the atomic mass is unique to each element. d: the atomic mass can vary based on the number of neutrons the atoms of the same element have, so the atomic mass may not be in order. also, the atomic number is unique to each element.

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Chemistry, 12.07.2019 04:30, cruzhazeL999

98 points hurry in 1913, henry moseley discovered a way to calculate the atomic number for each element and it was determined to arrange the periodic table by atomic number and not atomic mass. why is atomic number the better way to organize the elements of the periodic table and not organizing by atomic mass? question 12 options: the atomic number can vary based on the number of neutrons the atoms of the same element have, so the atomic mass may not be in order. also, the atomic mass is unique to each element. the atomic number and atomic mass are equivalent, so the atomic number is used because it is a smaller number. the atomic mass can vary based on the number of neutrons the atoms of the same element have, so the atomic mass may not be in order. also, the atomic number is unique to each element. the atomic number can be different for atoms of the same element, so it makes the patterns of the periodic table more varied.

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Chemistry, 12.07.2019 04:30, simoncastro1

In 1913, henry moseley discovered a way to calculate the atomic number for each element and it was determined to arrange the periodic table by atomic number and not atomic mass. why is the atomic number the better way to organize the elements of the periodic table and not organizing by atomic mass? the atomic mass can vary based on the number of neutrons the atoms of the same element have, so the atomic mass may not be in order. also, the atomic number is unique to each element. the atomic number and atomic mass are equivalent, so the atomic number is used because it is a smaller number. the atomic number can vary based on the number of neutrons the atoms of the same element have, so the atomic mass may not be in order. also, the atomic mass is unique to each element. the atomic number can be different for atoms of the same element, so it makes the patterns of the periodic table more varied.

Answers: 1

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An unknown element has an atomic number of 6 and an atomic mass of 13 .based on this information wha...

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