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

Jana continues training for a triathlon that includes a 112-mile bike ride. Today, she rode her bike 12 miles in 60 minutes. Then she ran for 15 miles in 2 hour

−2y−8+4y using distributive property

jane eyre connection to gender/ and or class

Drag each incentive to the correct location on the chart. Classify the incentives as monetary or nonmonetary.

Select the correct answer. Alyssa is working on a project on the contribution of Claude Bourgelat to veterinary science. She has included the point that he foun

will give brainliest

Find one example of assonance... some help me???

pleasee help me ASAP ITS DUE SOON I just need to know 1. slope 2. y-intercept 3. slope intercept form

Which expression is undefined? A. ---5-5) 5 c. O D. 12 = 0

True or False: Only fractions with a denominator greater than the numerator can be converted to a decimal.