Gamingirl9600 Gamingirl9600

03-08-2017
Chemistry

contestada

Calcium’s atomic number is 20. it forms ions with 18 electrons. what is the electrical charge of a calcium ion?

Respuesta :

Vannah123456789 Vannah123456789

04-08-2017

It would be a positive charge because it lost two electrons, if the charge was neutral it would be the same amount of protons and electrons, if the charge was negative the electrons would be 20 instead of 18. So in this case it is positive.

Answer Link

Otras preguntas

how do means and resources affect the development process of a country ?

find the estimates for the following:

The nth term of 8, 8^4, 8^7, 8^10

How many liters of hydrogen can be produced at a pressure of 2 atm and a temperature of 298 K

Explain relationship between ≠2 and the factor x – 2.

plz help me asap plz i will give brainliest

5. A cylindrical pipe is placed in a rectangular trench that is 5m x 4mand 2.5m deep, is placed across the shorter side of the trench.5.1 How much volume of cem

What is the theme of Ovid’s “The Story of Daedalus and lcarus?”

if C{1,2} and D={4,5,6}, find C×D by tabulation method. i need for exam

Why is it that although Nocardia spp. grow well on most common nonselective laboratory media, many are missed when the cultures are read