nessa142 nessa142
  • 05-01-2017
  • Biology
contestada

what element has 2 energy levels and 1 valance electrons

Respuesta :

Apocrophon
Apocrophon Apocrophon
  • 05-01-2017
Lithium is the third element, has 1 valence electron, and the valence electron is in the 2nd energy level.
Answer Link

Otras preguntas

Use the diagram to find the value of x
describe how the numerators are related and how the denominators are related in 1/3 = 2/6
What are the similarities between a multi celled organism and a single celled organismplease help me
What is the area of the given trapezoid ABCD?
Solve each equaton by graphing the related function. If the equation has no real-number solution,write no solution Question #1: x^2 7=0 Question 2: 3x^2=0 3:
Ellas _______ traen. (tú)
Which ordered pair is the solution to the system of equations below using the elimination method? x+2y=10 -x-9y=4 Is it: A. (12,4) B. (13,-5) C. (14, -2) D. (15
Why do nations form alliances?
draw a shape using a rectangle and a triangle
Stephanie is on vacation in Australia and wants to see eucalyptus trees, gray kangaroos, emus, and red dragons. She should visit the __________ ecosystem in nor