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

giving brainliest! <3 Find the total surface area of the cylinder below. Round to the nearest tenths place.
A storekeeper increased the price of hats by 5%. Write an equation to calculate the increase of the total cost, c, when the price of a hat is p dollars.
When completing addition and subtraction, according to the order of operations you should always complete the addition first. Is that true or false?
Simplify (1-x-x^2)(1-x^3)
In ΔFGH, f = 35 inches, g = 20 inches and h=30 inches. Find the measure of ∠H to the nearest degree.
Ammonia (NH3) is widely used as a fertilizer and in many household cleaners. How much ammonia is produced when 5.81 mol of hydrogen gas react with an excess of
solve for x and y please​
ONLY ANSWER IF U HAVE HORSES AND U HAVE TO BE AN EVENTER. Just want to help people get points
PLEEASEEE IT IS URGENT I NEED THE ANSWER NOW!Which best describes respiration? A. a cell process that releases energy from food B. a cell process that converts
A small liberal arts college in the Northeast has 350freshmen. One hundred five of the freshmen are female. Suppose sixty freshmen are randomly selected (withou