chiomaezike14p0rvjy chiomaezike14p0rvjy
  • 24-03-2021
  • Chemistry
contestada

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?

Respuesta :

rocksrock rocksrock
  • 24-03-2021
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
Answer Link

Otras preguntas

which is greater 0.7 or 7/9
What is the theory of slow change over long time periods
Explain the meaning of the term water-soluble
Si al resultado de la diferencia de dos numeros le suma el producto de dichos numeros nos da 50. Hallar los numeros: a)7 y 5 b)7 y 8 c)8 y 6
Are there 9 factors of 20 maths
Given the function f(x) = −5x2 − x + 20, find f(3).
explain 2 ways to evaluate 15(90-3)
Marcia uses 5 ounces of chicken stock to make one batch of soup. She has a total of 400 ounces of chicken stock. How many batches of soup can Marcia make
what is the value of current when the voltage is 8 volts
What were the farms the Spanish operated in the Americas called?