llfngrs9022 llfngrs9022

15-04-2020
Chemistry

contestada

What is the valence electron configuration of the group 2a elements?

Respuesta :

Ajiduah1 Ajiduah1

18-04-2020

Answer: nS2

Explanation: The valence electronic configuration of group 2a elements is "nS2",they have a complete filled "S" orbital with 2 valence electrons. e. g, Berrylium = 1s2 2S2, Calcium = 1s2 2s2 2p6 3s2 3p6 4s2

Answer Link

Otras preguntas

A bus travels two different routes: the green route and the blue route the roots are different lengths. - On Monday the bus traveled the green route 6 times a

The ratio of pens to pencils in Mrs. Bosworth's desk is 3:1. What does this mean?

GIVING 15 POINTS!! PLEASE HELP QUICK!!! WILL GIVE BRAINLIEST!!! Which statement best describes the event shown in the diagram? A. A polymer in the nucleus is b

How do the material of the three major compositional layers of earth differ ?

A cross section of a hollow circular pipe shows that its inner diameter is 2 1/10 inches and that the pipe is 3/5 inch thick. What is its outside diameter?

True of False | Genetic tests give exact answers so a patient knows what to do next.

What is the length of a side of the cube shown with given volume? 3 ft 9 ft 27 ft 243 ft

Who is the current president.A. ObamaB. WashingtonC. Trump

Sabrina and three friends share 2 3/4 pizzas. If they all ate the same amount, which expression could be one of the steps in determining how much pizza each per

please help I need it today (show solving steps please)