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

Why did the protection of civil liberties gain importance in the early 1920s?

Compare and contrast the processes of mitosis and meiosis Describe two processes that occur in both mitosis and meiosis think about the cells at the outcome

1. Under a dilation, the points (-3, -4) is moved to (-15, -20). What is the scale factor of the dilation? 2. Under a dilation, the point (3, 5) is moved to (6,

A triangle with an area of 10 ft² is dilated by a factor of 4.5. What is the area of the scaled image? Enter your answer, as a decimal, in the box. ft²

Describe three ways that you can make sure that you understand what your boss is asking for in his/her email or memo

which is the equation of the line passing through...7.04

can someone please help me figure this out??

name what are the features of ram

When converting the volume of a gas to the mass of a gas, the first step is to convert volume to _____. A. moles B. pressure C. particles D. temperature

Plz answer for me I need it if you cant read it plz contact