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

what is 3a + 1 = -3.6(a - 1)
A bus slams on its breaks and goes from 30 km/hr to 15km/hr in 4 seconds. What is its acceleration?
Solve for the variable X=5y for y
A meal of a chicken sandwich and some pasta salad had 150 grams of carbohydrates. The pasta salad had 30 grams more than twice the grams of carbohydrates in the
Solve by completing the square X squared -6x+8=0
19-10x+4=4x-5 i dont understand this equation
what is 9/25 as a decimal terminating or repeating decimal
If five notebooks cost $5.25, how much will three notebooks cost?
write three ratios that are equivalent to the one given 18 rights handed student for every 4 left handed students
rounding 672,831 to the tens place? hundreds place? thousand place? ten thousand place? and hundred thousands place?