gunner06 gunner06
  • 01-11-2018
  • Chemistry
contestada

A calcium ion has a +2 oxidation number it has 20 protons and _____ electrons.

Respuesta :

autumnhuntmarch1 autumnhuntmarch1
  • 02-11-2018
a calcium ion has 20 protons and 18 electrons.
Answer Link

Otras preguntas

Question 5 of 12 Potential employers cannot use information they find about you on the Internet when you are applying for a job. OA. True OB. False SUBMI
PLEASE HELP!!!! Triangle ABC is translated using the rule (x, y) → (x + 1, y − 4) to create triangle A′B′C′. If a line segment is drawn from point A to point A′
6x -8=16 solve equation
also can someone check this too? just want to make sure i got the the first part right before proceed further​
Question 34 (1 point) 4.00 moles of Ar gas and 5.00 of Xe gas are added to a flask, giving a total pressure of 15.00 atm. What is the partial pressure, in atm,
Select the correct answer. in jane austen's time, the law dictated that a man’s property was inherited by his closest male heir instead of by the women in his f
Describe the processes that occur after pollination, including fertilisation and seed formation.
The quality of what experience as a whole turns “good” artwork into “great” artwork?
The formula for the surface area of a sphere that has a radius 7 is shown in the box below. SA = 4tr-2 A sphere and one of its dimensions are shown in the diagr
A 200-gram liquid sample of Alcohol Y is prepared at -6°C. The sample is then added to 400 g of water at 20°C in a sealed styrofoam container. When thermal equi