Chemistry

Chemistry, 30.09.2019 12:30, gwendallinesikes

How many neutrons does element x have if its atomic number is 44 and its mass number is 151?

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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, 02.08.2019 12:00, nyny679

Part 1: mission preparation: use the following word bank to complete the sentences accurately. atomic mass protons column electrons atomic number neutrons row 11 12 23 a. the of an element includes atomic number plus the number of neutrons. b. the atomic number represents the number of and in an element. c. elements found in the have similar chemical properties. d. an element with an atomic number of 11 and an atomic mass of 23 will have neutrons total.

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Chemistry, 18.09.2019 10:50, marqueen1

Atomic mass protons column electrons atomic number neutrons row 11 12 23 a. the of an element includes atomic number plus the number of neutrons. b. the atomic number represents the number of and in an element. c. elements found in the have similar chemical properties. d. an element with an atomic number of 11 and an atomic mass of 23 will have neutrons total. pls i'll give 20 points

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How many neutrons does element x have if its atomic number is 44 and its mass number is 151?...

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