taybambie
taybambie taybambie
  • 01-01-2015
  • Chemistry
contestada

What are the electronic configurations for the first twenty elements

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 02-01-2015
H   1s¹
He 1s²
Li    [He] 2s¹
Be  [He] 2s²
B    [He]2s²2p¹
C    [He]2s¹2p²
N   [He] 2s²2p³
O   [He]2s²2p⁴
F     [He]2s²2p⁵
Ne    [He]2s2p⁶
Na   [Ne]3s¹
Mg    [Ne]3s²
Al    [Ne]3s²3p¹
Si    [Ne]3s²3p²
P    [Ne]3s²3p³
S    [Ne]3s²3p⁴
Cl    [Ne]3s²3p⁵
Ar    [Ne]3s²3p⁶
K    [Ar]4s¹
Ca  [Ar]4s²
Answer Link

Otras preguntas

Please help answering questions 215 and 216.
Using 8, 11, 9, 1, and 8 create a problem in which the answer equals 2.  You may use operations more than once.
Find the polar equation for the cartesian curve x^2-y^2 = sqrt(x^2+y^2)
Solve for x. (Round your answer to two decimal places) log x = -2
PLEASE ANSWER QUICK! THIS IS SO VERY IMPORTANT!!!!!!!!!! PLease translate latin to english (not using google for it will be wrong). I have part of the answer bu
What is the relationship between intimate partner violence (ipv) and marriage?
which of the following was a territory the united states took from Spain after the Spanish american war
Find BC. Round to the nearest tenth. A. 19.1 B. 20.8 C. 23.1 D. 23.3
Gage is trying to get his staff to take on an extra case, pro bono. he thinks that it is important to give back to society and to take care of his community. he
What is the slope of the line passing through the points (6, 7) and (1, 5) ? 1/6 5/2 2/5 6