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

Item 10 Write the word sentence as an inequality. Then solve the inequality. A number x divided by 7 is less than −3. An inequality is . The solution of this i

short description about your penfriend

Mi amiga es Ella La primera clase termina a las 9:30 de la mañana Le gustan los vestidos y los zapatos make this esier to pronunce

What is the main opinion of this text’s writer? When I first left school and got a job, I had to pay a third of my wages to my parents for board. Another third

pleaze help im gonna fail this semesterhydrogen peroxide mixed with vinegar makes wich deadly gas?

How did the rise of Islam change Southwest Asia? -lt invited a cultural exchange and a peaceful transition to Mongol rule. -It served as a unifying force that h

a balloon filled with hydrogen gas is left inside a car, on a hot summer day. What would happen to the volume and pressure of hydrogen gas

3/5 of a pound of clay to make a bowl. How many bowls could the potter make from 10 pounds of clay?

what is the purpose of chemistry?

The current global human population is about 7.6 billion and is growing at an annual rate of 1.35 percent. If world population were to grow at this rate for the