An atom of a certain element has 21 protons, 21
electrons, and a mass number of 45. How many
...
Mathematics, 08.02.2021 06:50 marcedezebrown4736
An atom of a certain element has 21 protons, 21
electrons, and a mass number of 45. How many
neutrons are in this atom?
Answers: 3
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If a distance of 75 yds is measured back from the edge of the canyon and two angles are measured , find the distance across the canyon angle acb = 50° angle abc=100° a=75 yds what does c equal?
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Benefit(s) from large economies of scale, in which the costs of goods decrease as output increases. natural monopolles perfect competition
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