How many orbits/shells/energy levels does Rubidium have?

Answers

Answer 1

Answer: Rubidium has 5 orbits/shells/energy levels.

Explanation: It's electron configuration is as follows: 2-8-18-8-1.

Related Questions

Read this excerpt from Through the Looking-Glass by Lewis Carroll.

There were a number of tiny little brooks running straight across it from side to side, and the ground between was divided up into squares by a number of little green hedges, that reached from brook to brook.
"I declare it's marked out just like a large chessboard!” Alice said at last. "It's a great huge game of chess that's being played—all over the world—if this IS the world at all, you know. Oh, what fun it is! How I WISH I was one of them! I wouldn't mind being a Pawn, if only I might join—though of course I should LIKE to be a Queen, best.”

Which sentence from the excerpt is a simile?
Answers:
A. There were a number of tiny little brooks running straight across it from side to side .

B. [T]he ground between was divided up into squares by a number of little green hedges, that reached from brook to brook.

C. “I declare it's marked out just like a large chessboard!” Alice said at last.

D. “I wouldn't mind being a Pawn, if only I might join—though of course I should LIKE to be a Queen, best.

Answers

Answer:

Explanation:

i did the tested

PLEASE HELP ASAP!! THIS IS DUE IN 15 MUNITES!! Explain what a Precipitate (Not Precipitation) is and tell me if it is a Physical or Chemical Change.

Answers

Answer:

A precipitate is a solid that separates out of a liquid solution when it is supersaturated (insoluble). This is a chemical change.

Explanation:

Precipitation is when a chemical substance converts into a solid from a solution by converting the substance into an insoluble form or a super-saturated solution. When the reaction occurs in a liquid solution, the solid formed is called the precipitate.

Hope that helps.

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