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

is a The wire in a simple circuit which forms an unbroken pathway, allowing the electric charges to flow. A. switch B. insulator C. resistor D. conductor

3 The author appeals to the reader's ernotions by: (A) highlighting problerns people have identified with the bill (B) including quotes from the speech by Harri

A sample of an unknown metal has a mass of 120.4 g. As the sample cools from 90.5°C to 25.7°C, it releases 7020 J of energy. Usinf the chart below, what is the

work out the area of the triangle?

I need help with what's on the attachment

PLEASE HELP I NEED THE ANSWER FOR NUMBER 2 AND NUMBER 3

Help PLZ!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!4 Sentences on why so good about Nintendo Switches?

District 2 presents what problem for the rebels? *

How did the propaganda influence the civil war?

A student was asked to determine the activity of four unknown metals W,X,Y and, Z.