carlos6178 carlos6178

10-12-2017
Chemistry

contestada

What is the name of the element with a valence electron configuration of 2s^22p^4

Respuesta :

wluo329 wluo329

10-12-2017

Since the configuration contains the number 2s and 2p, you can assume that it is in period 2 of the periodic table. By noble gas shorthand, you start with helium, which is atomic number 2. 2s²2p^4 has 2+4 = 6 valence

Add 2+6 = 8, which is Oxygen.

Answer Link

Otras preguntas

SOMEONE, PLEASE HELP ME AS FAST AS YOU CAN, I WOULD GIVE MORE POINTS BUT THIS IS THE REST OF MY POINT, PLEASE SOMEONE WHO IS SUPER KIND HELP ME.

How do I get the result for 1/8 out of 40?

PLEASE HELP WILL CROWN YOU

9. Read this dictionary definition. impressed: adjective 1. affected 2. urged 3. dented 4. emphasized Now read this sentence from "A Concerned Teammate." Nate o

Solve for B: 19 (less than or equal too sign) B + 17

Nominal GDP targeting implies that

The diagram shows structures that form the surface of the trachea. Which level of organisation is the structure labelled S? A. Cell B. Organ

Can you please help me find number for D

How to find total mass of water in final solution

Solve the system of equations -x+ 2y = –11 and 5x – 8y = 39 by combining the equations.