Seudónimo Seudónimo

17-08-2021
Chemistry

contestada

Which is the electron configuration for lithium?
1s2
2s3
1s22s1
1s12s2

Respuesta :

rabec433 rabec433

17-08-2021

Answer:

1s2, 2s1

Explanation:

Lithium is the first element in the 2nd row of elements meaning its 1s orbital is completely filled and 1 electron is in the 2s orbital.

Answer Link

longtay03 longtay03

25-10-2021

Answer:

the answer is C

Explanation:

Answer Link

Otras preguntas

Can somebody help me with math? it asks make -0.43 as a fraction but i dont know how. i really need the answer fast!

On a separate sheet of paper, graph the function. In the answer box, describe the function. f(x) = {-5x+2 if x 2 2x - 2 if x 22 Please type your explanation (no

What is value? a Addition of white to a color b How light or dark a color is c The name of a primary color d When light reflects off an object

help meeee pls pls pls

Can you describe a time when you had to deal with an unhappy customer as a cashier?

What did Elizabeth Cady Stanton believe was an essential key to American women's rights?.

What was the goal of the Ku Klux Klan under the leadership of former Confederate general Nathan Bedford Forrest in 1866

Which table represents the same proportional relationship as the equation Y= 36x?

What is the solution of the system of equations? Solve algebraically y+2x=2 y+4x=0

"You are not to go into the gooseberry garden," said the aunt, changing the subject. 11"Why not?" demanded Nicholas. 12"Because you are in disgrace," said the a