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

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

please help me I need to know each quotient for each step and the final quotient.

read the last 10 words of the poem you may observe a change in the tone what is that about

Using the image below: a. when is kinetic energy at its highest? Explain. b. when is kinetic energy at its lowest? Explain.

What numbers are the arrows pointing to? a) 300 400

Can somebody help me on this?

Deep trenches in the ocean mark places where. . . - plates pull apart, leaving great rifts in the crust - plates push together, creating ocean mountain chains -

how many Americans died from the Spanish Flu ?

Algebra Explain how to use mental math to find the unknown Number in the equation 12 xb= 480.Solve

no link or bot answer the question

Which provides evidence that political parties are not as strong as they once were?