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rodikova [14]
3 years ago
6

What is 15.0m= mm This is for metric conversions

Chemistry
1 answer:
RSB [31]3 years ago
7 0
15.0 meters = 15,000 millimeters
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A species with a charge of -1 contains 57 electrons and 80 neutrons. What is the identity of the species. Note: The species show
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In a neutral atom, the number of protons is equal to the number of electrons.

Given that the charge on the ion of the element is -1. This means that there is one electron more than the number of protons in the element.

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Mass number of the element = Number of protons + Number of neutrons

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14 g of N2

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28g of N2 contains 6.02 × 10^23 molecules of N2

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