Electron Configurations Question Preview (ID: 16279)


A Test On Electron Configurations. Short Version And Full Version. TEACHERS: click here for quick copy question ID numbers.

Whats the electron configuration for oxygen?
a) 1s2 2s2 2p4
b) 1s2 2s2 2p6 3s1
c) 1s2 2s2 2p5
d) 2p6

Whats the electron configuration for Magnesium?
a) 1s2 2s2 3s2
b) 1s2 2s2 2p4 3s2
c) 1s2 2s2 2p6 3s2
d) 1s2 2s2 2p6 3s2 3p2

Whats the electron configuration for P?
a) 1s2 2d2 2p6 3s2 3p3
b) 1s2 2s2 3p6 4s2 5p3
c) 1s2 2s2 2p6 3s2 3p3
d) 6p4

Whats the electron configuration for Ru?
a) 1s2 2s2 2s6 3s2 3p6 4s2 3d10 4p6 5s2 4d5
b) 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d6
c) 1s2 2s2 2p6 3s2 3p6 4p2 3d9 4p6 5s2 4d6
d) 1s2 2s2 2p6 3s2 3p6 4s2 3d4

What element is (Ar) 4s2?
a) Argon
b) potassium
c) magnesium
d) calcium

What element is (Kr) 5s2 4d2?
a) zirconium
b) titanium
c) Hafnium
d) All of the above

What element is (Ne) 3s2 3p5
a) Neon
b) Calcium
c) Iron
d) Chlorine

Whats the shortened EC for Arsenic?
a) (Ar) 4s2 3d10 4p4
b) (Ne) 4s2 3d10 4p3
c) (Ar) 4s2 3d10 4p3
d) (Ar) 4s2 3d10 4p10

Whats the shortened EC for sulfur?
a) (Ne) 3s2 3p4 4s1
b) (Ne) 3s1
c) (Ar) 4s2 3d10 4p4
d) (Ne) 3s2 3p4

Whats the EC for hydrogen?
a) 1s2
b) 1s1
c) 3p9
d) 10s1

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