electron configuration / Alzain -Abdulaziz- fay- Khaled.O

guess the name of the element : 1s2 2s2 2p6 3s2

• zinc

• Magnesium

• manganese

• chromium

guess the name of the element : 1s2 2s2 2p6 3s2 3p2

• phosphorus

• aluminum

• Silicon

• sulfur

guess the name of the element : 1s2 2s2 2p6 3s2 3p6 4s1 3d5

• carbon

• chlorine

• calcium

• Chromium

guess the electron configuration : Sodium

• (1s² 2s² 2p⁶ 3s¹)

• (1s2 2s2 2p3 3s7 )

• (1s2 2s1 2p6 3s2 )

• (1s2 2s2 2p5 3s)

guess the electron configuration : aluminum

• (1s2 2s2 2p6 3s2 3p1 )

• (1s2 2s2 2p6 3s5 3p2 )

• (1s2 2s3 2p6 3s2 3p4 )

• (1s1 2s2 2p5 3s2 3p1 )

guess the electron configuration : cobalt

• (1s2 2s2 2p0 3s2 3p6 4s2 3d8)

• (1s2 2s2 2p6 3s9 3p6 4s2 3d9)

• (1s2 2s2 2p6 3s2 3p8 4s2 3d0)

• (1s2 2s2 2p6 3s2 3p6 4s2 3d7)

guess the electron configuration : Krypton

• 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6

• 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p8

• 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p0

• 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p

guess the noble gas configuration : Selenium [Ar]

• 4s2 3d10 4p4

• 4s2 3d10 4p5

• 4s2 3d10 4p7

• 4s2 3d10 4p3

what's the electron configuration of Ca ion

• ( +21)

• ( +3)

• ( +2)

• ( +7)

Given the electron configuration : 1s2 2s2 2p6 3s2 which ion is this?

• Mg: magnesium +2

• Mg: manganese -2

• Mg: magnesium -2

• Mg: Maganese +2