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

Please help! Directions: Complete each sentence with the best choice from the word list below. restrained equate sustain theoretical intervention 14. Perfect c

Consecutive angles in a parallelogram are A. supplementary B. convex C. congruent D. acute E parallel

If f([tex]x[/tex]) =[tex]81 {x}^{2} [/tex][tex]0 < x < \frac{1}{3} [/tex][[find the E ([tex]x[/tex]) and var(a)

The area of a circle is 100 pi ft2. What is the circumference, in feet? Express your answer in terms of pi

Why was the Oregon Territory important to the United States?

Which of the following led many Chinese groups to rebel against their Mongol rulers?A. the banning of foreign travelersB. the establishment of a state religionC

the illustration below shows the graph of y as a function of x complete the following sentences based on the graph of the function

How can you estimate statistics from data displayed in a histogram?

The acrobats _________ (perform) for two hours before the show got over. A)had performed B)was performing C)had been performing

How long did it take the shuttle shock to fall 12 meters