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

Which fossil occurs on the most landmasses? & What does this suggest about when these particular continents broke up?
my teddy bear gave me a hug is an example of 1.metaphor 2.personification 3.simile 4.alliteration
Which fossil occurs on the most landmasses? & What does this suggest about when these particular continents broke up?
does a solution have to involve a liquid? explain.
Propane and oxygen react according to the equation: C₃H₈(g) + 5O₂(g) → 3CO₂(g) + 4H₂O(g). How many grams of water can be produced from the complete combustion o
What is the 50th term of the arithmetic sequence 4, 10, 16, 22, … ? Can someone explain this one?
which is longer 635 millimeters or 535 centimeters ?
WHICH EXPRESSION IS EQUIVALENT TO SIN 22 COS 18 + COS 22 SIN 18?
what SI unit would best be used to express the height of your classroom ceiling ?
THE EXPRESSION (TAN THETA) (CSC THETA) IS EQUAL TO?