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

Thinking critically is something you have to do on purpose. true or false help?
six-packs of cola were on sale at a grocery store. John bought the limit, which was 8 six-packs. how many individual cans of cola is this?
LOWERCASE letters denote the __________ of the set.
Why did santa Anna allow some people to leave the Alamo??? Pls answer
graph the function f(x)=1.5x^2 and identify domain and range
30 POINTS!!!!!!! Which statement accurately describes the tissues indicated by the arrow in the microscopic image? The connective tissues that protects the out
A room has an area of 60 square meters and a perimeter of 32 meters. What are the length and width of the room
Which of the following events did NOT contribute to the decline of feudalism and the end of the medieval period in europe? A) the great famine B) the battle of
President Franklin d. Roosevelt plan to increase the size of the Supreme Court reflected his desire to make the court
The speed of light is now defined to be c-2.99792458 x 10^8 m/s