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

"when a user clicks "submit" on a web-based survey"

Simplify the expression

Plz help me with this question plz it's due tomorrow

No puedes abordar el vuelo si no tienes ______.

PLEASE HELPPP ASAP 1. Consider the function y = 1/x. a. What happens to the value of the function as the value of x gets very large? b. For what value

Please choose all of the following. WILL GIVE BRAINLIEST if I get it correct

holly is making a stir fry holly measures 5/8 cup of chicken and then adds 1/9 cup more how much chicken did holly use altogether?

The radius of a sphere is increasing at a rate of 4 mm/s. how fast is the volume increasing when the diameter is 40 mm?

Extras you receive for employment, which could include retirement plans, health insurance, and vacation time, are called ______. a. Flextime b. Income c. Benefi

Is rolling doubles a simple event or compound event? Explain.