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

To find the quantity chosen by a monopolist, find the point at which marginal revenue equals _____.
which philosophy was used primarily within the qin dynasty
What is the value of x in the equation x-2/3 + 1/6 =5/6 ?
1.) What is the most important source of energy that our body craves more than any other? 2.) What are the organelles in each cell that burn this energy?
an obtuse angle in the figure is
Luis knows that his pool holds 3,050 gallons and that his water pump will pump the water out at a rate of 9 gallons per minute. How long will it take Luis to ha
Have to arrange this from greatest to least
Which British law allowed tax placed on legal documents, newspapers, cards, etc?
Why is Abbasid period considered a golden age for Muslim culture
PLEASE HELP!!!!! :D The Sun rotates faster at its center than at its poles. Which statement in this passage describes the reason for this behavior? Similar to