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

Preschoolers __________. are more likely than older children to claim that lying is always wrong cannot distinguish moral imperatives from social conventions ca

1. What are some common barriers that keep people from exercising? 2. Select two of the barriers you listed above, and provide ideas for how people can overcome

solve the inequality 10-3x>-11

the atomical plane denoting the vertical field running through the body from front to back dividing the body into the right and left sides is the what

Which of the following is equivalent to 2 ln e^ln 5x = 2 ln 15?

Find the measure of ∠M.

percentage of Americans living paycheck to paycheck

Type the correct answer in the box. Spell all words correctly. What is another term for accountability?

What does the farmhouse Represent in the story. A. A palace. B. A jail house. C. A church. D. A storeroom

Jetstream airway's decision to acquire rex fuels inc. proved to be ill-fated because its managers had overestimated their abilities and skills. they believed th