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 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

PLEASE HELP THIS IS EASY BUT I DONT GET IT
Please help me on this problem
The number issued to physicians by the internal revenue service for income tax purposes is known as:
Help please!!!!!!!!!!.........
The "popular front" movement after 1935 showed intellectuals and activists growing in support for:
how did technological advances in agriculture affect in the industrial revolution
Does H₂ have a coefficient?
Which characteristic do glycogen and starch share? A)Both are storage forms of glucose. B)They are proteins. C)They are the most energy-rich organic molecules.
What memory below is the largest? 1TB 1GB 10GB 55000Bytes
In one or two sentences, describe the effect of competition on price.