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

Write the decimal expansion for 4/11
Pls help me Select the correct answer. Which statement is true regarding flexibility? OA. A joint's range of motion cannot be maintained with age. O B. A joint
What is the solution to the equation 1/4x+2=-5/8x-5 O X=-8 O x=-7 O X= 7 O X=8
I need the answers for number 7 & 8.
An effect of the Great Peasants' Revolt was that O about 100,000 peasants died. Martin Luther voiced his support. German princes were defeated. serfdom ended in
(Canterbury)How does the narrator respond to the monk's preference for hunting and riding over studying or working?A. He is angered by the monk's unprincipled b
5 – 7k = -40k + 1) – 3 Do we have to distribute?
Which organism is defined as something that lives deep in the ocean in areas with very high temperatures and pressure? A. crustacean B. decomposer C. extremophi
Where is germany? I think its in asia
Nosotros __en la clase. What goes in the blank?