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

9 meters equal how many feet
An exponential function, f, passes through the points (-2,-4) and (1,10). Which two points would lie on the graph of function g if g(x) = 3f(x)?
what Causes: Battle Of new orleans (jan 1815)
I NEED HELP ASAP.... the mass of 8m^3 of copper is 44800kg. work out the density of copper. The density of zinc is 7125kg/m^3. work out the mass of 5m^3 of z
Ericka's book is 675 pages long and she has read 375 pages so far. If Ericka reads 80 pages per day. How many more days will it take her to finish the book
This is a statement of a political party's beliefs and positions on many- if not most- issues
Under the modified accrual basis of accounting used by the General Fund, financial resources are considered available if the revenue or other financing source i
Write the quadratic equation whose roots are 2 and -1, and whose leading coefficient is 1.
BRAINLIEST AND 10 POINTS Please hELP ME IN THE QUESTION LIMITED TIME !!!!!!!!!!!
How many electoral votes are there in the Electoral College? A) 50 B) 100 C) 270 D) 538