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9 Dec 2018
7. Order the following elements in terms of increasing atomicradii: Ar, Cl, Na, S
A: Na, S, Ar, Cl
B: Cl, Ar, S, Na
C: Ar, Cl, S, Na
D: Na, S, Cl, Ar
8. What is the correct electronic structure for Calcuim?
A 1s2, 2s2 2p6 3s2 3p4 4s2
B: 1s2 2s2 2p6 3s2 3p6 4s2
C: 1s2 2s2 2p6 3s2 3p6 4d2
D: 1s2 2p6 3d10 4f2
7. Order the following elements in terms of increasing atomicradii: Ar, Cl, Na, S
A: Na, S, Ar, Cl
B: Cl, Ar, S, Na
C: Ar, Cl, S, Na
D: Na, S, Cl, Ar
8. What is the correct electronic structure for Calcuim?
A 1s2, 2s2 2p6 3s2 3p4 4s2
B: 1s2 2s2 2p6 3s2 3p6 4s2
C: 1s2 2s2 2p6 3s2 3p6 4d2
D: 1s2 2p6 3d10 4f2
Elin HesselLv2
9 Dec 2018
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