Liluzitrey Liluzitrey

07-06-2017
Chemistry

contestada

How many valence electrons are represented in the following electron configuration? 1s22s22p5
A. 2
B. 4
C. 5
D. 7

Respuesta :

JoshEast JoshEast

08-06-2017

The element above has 7 (OPTION D) valence electrons. This is because on the second shell, two electrons occupy the S orbital of the second shell (2s²)and five occupy the P orbital (2p⁵) , for a total of 7 valence electrons (1s² 2s² 2p⁵)

Answer Link

osoriovanessa472 osoriovanessa472

15-12-2021

Answer:

7

That's your answer!!

Answer Link

Otras preguntas

What do financial planning skills ultimately enable an individual to do? to prepare for the future to process their own tax returns to stop spending to become w

Who or what establishes the guidelines for grading the quality of meat and eggs that are sold in a supermarket? The United States Department of Agriculture (USD

in a following chapter we will be able to show, under certain assumptions, that the velocity v(t) of a falling raindrop at time t is v(t) = vt(1 − e−gt⁄vt)

Given △XYZ with vertices X(2, 4), Y(6, 0), and Z(7, 2) what is its image after the composition Translation: (x, y) → (x + 12, y + 4)Translation: (x, y) → (x − 5

Which of the following economic systems is the most common? Group of answer choices command market mixed traditional

find the angle between the vectors. (first find an exact expression and then approximate to the nearest degree.)

50 PTS Which relation is a function?

Economic consequences of tea act (1773) included a/an __________ in the price of tea in the colonies and a/an ___________ in the revenues of colonial tea wholes

ormative: The Revolutionary War Started: Sep 8 at 8:37am Quiz Instructions Flag question: Question 1 Question 1 1 pts Which battle of the Revolutionary War is w

in 2016, taxicabs in los angeles charged an initial fee of $2.85 plus $2.70 per mile. in equation form, fare