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

Which would be considered a secondary source about the assassination of Abraham Lincoln?
works with no known authors should be listed by their
Please help ASAP! If -3 is a zero of P(x) = 2x^3 + 3x^2 - kx - 27, Find the value of k. Show steps, please.
which of the following facts indicates that the man does not acknowledge the forces of nature? A. He is frostbitten B. he is wet C.he cannot light a match with
Did thomas jefferson want a strong central government
Elements in the first group of the periodic table are ( ) ?
whats is Phospholipid..? A.) Structure of cell membranes B.)insulation C.)energy..?
A toy airplane costs $4.84.. It costs 4 times as much as a toy car. What is the cost of the toy car? Show your work.
a sedimentary rock containing a fossilized sea shell had been found. what does this tell you about the area at the time the rock was formed?
Which group in the box best describes the way Germany became an important industrial power during the nineteenth century