Chemistry: Scandium 15. Write the nuclear symbol for an ion with a charge of +2,20 protons, and 24 neutrons. _a. How many electrons are in this ion? b. Is it an anion or cation?

Scandium 15. Write the nuclear symbol for an ion

Ответ:

joe1591

23.04.2021

If the element has a charge of +2 it has lost two electrons giving it an overall positive charge making it a cation. In order to find the number of electrons, take the elements atomic number and subtract two since it lost two electrons

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ericpatterson14

01.12.2021

Chemistry

value of R=0.0821atm,mol-¹k-¹

Which value of gas constant (R)use and when ?in ideal gas equation.

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Scandium 15. Write the nuclear symbol for an ion with a charge of +2,20 protons, and 24 neutrons.
_a. How many electrons are in this ion?
b. Is it an anion or cation?

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