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

What are all the country's in UnitedStates

Explain how do you solve an equation by using zero product property?

Amy scores an 82% on her math test with Ms. Smith. The average score for her class is a 75% with a standard deviation of 2%. Amy’s friend Karina is taking the

50 POINTS Write about a conflict you have experienced with another person, such as a parent. What happened to create the conflict? How did it make you feel? We

How do judicial decisions affect the executive branch? A.) Judicial decisions have no affect on the executive branch B.) Judicial decisions enforce the laws o

Amir has a stand where he sells lemonade for $1.00 per cup and packages of chocolate chip cookies for $1.50. If he earns $280 on his first weekend and sells twi

Which of the following could cause a habit change A. Introduction of an invasive species B. a wildfire C. a mudslide D. all of the above

Please help ! What are the solutions to the equation? a) x=-6 and x= -2/3 b) x=-6 and x= 2/3 c) x=6 and x= 2/3

50 POINTS! A Boy throws a ball horizontally a distance of 22m downrange from the top of a tower that is 20.0m tall. What is his throwing velocity?

Simplest form 5√a4/3√a2