Chemistry
Chemistry, 04.07.2019 13:20, yeeyee69

What is the differentences between atomic number and atomic mass?

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Chemistry, 26.06.2019 18:40, hdolly81
Select the correct answer. what is the mass defect of lithium? assume the following: atomic number of lithium = 3 atomic mass of lithium = 7.0144 atomic mass units. mass of 1 proton = 1.0073 atomic mass units. mass of 1 neutron = 1.0087 atomic mass units. a. 0.0043 atomic mass units b. 0.0423 atomic mass units c. 3.0219 atomic mass units d. 4.0348 atomic mass units e. 7.0567 atomic mass units
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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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Physics, 27.09.2019 10:00, moorealexis819owh9lb
What is the mass defect of lithium? assume the following: atomic number of lithium = 3 atomic mass of lithium = 7.0144 atomic mass units. mass of 1 proton = 1.0073 atomic mass units. mass of 1 neutron = 1.0087 atomic mass units. (a)0.0043 atomic mass units (b)0.0423 atomic mass units (c)3.0219 atomic mass units (d)4.0348 atomic mass units (e)7.0567 atomic mass units
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