Chemistry

Chemistry, 10.07.2019 03:30, fluchr6174

How to find atomic mass of an element

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Geography, 07.07.2019 15:30, viktoria1198zz

In your own words, explain what the atomic number and atomic mass of an element represent. use an example of an element if it you with your description. describe how the atomic number and atomic mass of an element are calculated. take a look at tyler's response to one of these prompts. the element i chose contains an atomic number of 30 and an atomic mass of 65. this means the element has 30 protons, 35 neutrons, and 30 electrons. what element did tyler post about?

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Chemistry, 10.07.2019 04:30, deadlydemon0500

What is the average atomic mass of the element? an element, x, has two isotopes, x-14 and x-15. use the data in the table to find the average atomic mass of element x. isotope atomic mass abundance (%) x-14 14.003 99.636 x-15 15.000 0.364 the average atomic mass of element x is blank amu.

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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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English, 28.09.2019 19:30, poohbaby7163

In the early 1880s, the british scientist john dalton worked to find the atomic mass of several common elements. how could knowing the atomic mass of an element a chemist do his or her work? a. the atomic mass could be used to convert that element into another element. b. the atomic mass could be used to identify an element. c. the atomic mass could be used to calculate the number of isotopes formed by the element.

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