Mathematics, 22.11.2019 14:31 phillipselijah2
If the atomic number of an element is 7 and its mass number is 16, how many neutrons are in the atom's nucleus
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What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.
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The lengths of all sides of a triangle are integers when measured in decimeters. one of the sides has length of 1 dm and another of 3 dm. find the perimeter of the triangle.'
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If the atomic number of an element is 7 and its mass number is 16, how many neutrons are in the atom...
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