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

It is believed that when electrons spin on their axes as they orbit the nucleus of the atom, the spinning motion causes each electron to become
!!!!!PLEASE HELP!!!!!
here's the answer for edge. The French Revolution Begins introduction - match each key term with its correct definition
hello i have an summary assienmeant i dont know how to write a summary can someone please help
What does Sergei believe is the reason for Yoni's visit? What action does he take as a result? What does this reveal about Sergei's personality? How might this
Two fair dice one ble and one red are tossed define events E={A1on the ble die} F={the numbers are equal Find P(E)=?
Dec. 1 Received $19,000 cash from Conner in exchange for common stock. Dec. 2 Received $3,800 cash from customers for services performed. Dec. 5 Paid $200 cash
Please help. Thank you
PLS HELP I DONT UNDERSTAND D: (srry if you already answered my previous question, i should be doing the work not you guys.)
The length and width of a rectangle are consecutive even integers. The perimeter of the rectangle is 100 cm. What is the length and what is the width