Dyke517 Dyke517
  • 03-06-2015
  • Chemistry
contestada

What is the total number of electrons in a
Mg2+ ion?(1) 10 (3) 14
(2) 12 (4) 24

Respuesta :

lulu1991
lulu1991 lulu1991
  • 03-06-2015
The answer is (1) 10. The protons of Mg atom is 12. So the Mg atom has 12 electrons. The Mg2+ ion has lost two electrons so it has two positive charge. Then the answer is 10 electrons.
Answer Link

Otras preguntas

Multiply help on this please
​43% of adults say cashews are their favorite kind of nut. you randomly select 12 adults and ask each to name his or her favorite nut. find the probability that
how do you slove this problem
A tape that records one hour and 30 minutes on each side moves at cm a second through the tape player. How long, in metres, is the tape?
The length of a rectangle is 4 inches more than its width. The area of the rectangle is equal to 4 inches less than 5 times the perimeter. Find the length and w
We use a reflexive verb when we are doing something to ourselves, not to someone else.
If 75% of India’s rural population lives in poverty, it most likely means that
Why are there sutures on the human skull? what does this tell you about the actual structure of the skull?
what moral dilemma did thomas jefferson face over the louisiana purchase?
Identify all correct statements about the ionization of water.check all that apply.check all that apply.water ionizes to form peroxide and hydronium ions.dissoc