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1 |
The electron configuration for boron is: |
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1s22s22p3 |
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1s22s22p1 |
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1s22s1 |
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1s22p3 |
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None of the previous answers. |
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2 |
The electron configuration for sulfur is: |
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1s22s22p63p6 |
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1s22s22p63d6 |
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1s22s22p63s23p4 |
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1s22s22p63s23p2 |
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None of the previous answers. |
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3 |
The electron configuration for manganese is: |
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1s22s22p63s23p64s23d5 |
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1s22s22p63s2 |
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1s22s22p63s23p64s24p5 |
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1s22s22p63s23p64s23d4 |
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None of the previous answers. |
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4 |
The electronic configuration for strontium is: |
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1s22s22p63s23p64s23d104p64d2 |
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1s22s22p63s23p64s23d104p65p2 |
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1s22s22p63s23p64s23d104p65s1 |
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1s22s22p63s23p64s23d104p65s2 |
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None of the previous answers. |
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5 |
The electronic configuration for bromine is: |
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1s22s22p63s23p64s24p65s24d7 |
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1s22s22p63s23p64s23d15 |
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1s22s22p63s23p64s23d104p5 |
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1s22s22p63s23p64s23d94p6 |
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None of the previous answers. |
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6 |
The electron configuration for argon is: |
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1s22s22p63s23p6 |
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1s22s22p63s23d6 |
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1s22s22p63p63d2 |
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1s22s22p63s8 |
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None of the previous answers. |
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7 |
The electron configuration for arsenic is: |
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1s22s22p63s23p64s24p6 |
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1s22s22p63s23p64s23d104p3 |
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1s22s22p63s23p64s23d13 |
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1s22s22p63s23p64s23d104p6 |
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None of the previous answers. |
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8 |
The element with the electron configuration 1s22s22p63s23p64s23d6 is: |
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iron |
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Ni2+ |
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manganese |
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cobalt |
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None of the previous answers. |
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9 |
1s22s22p62d1 could be the electron configuration of:: |
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sodium |
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an excited state of neon |
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an impossible electron configuration |
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sodium ion |
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None of the previous answers. |
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10 |
The element with the electron configuration 1s22s22p63s23p64s23d10 is |
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copper |
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krypton |
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galium |
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zinc |
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None of the previous answers. |
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11 |
1s22s22p63s23p54s1 could be the electron configuration of:: |
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the ground state of potassium |
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the ground state of potassium ion |
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an excited state of argon |
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an impossible electron configuration |
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None of the previous answers. |
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12 |
Nickel has how many unpaired electrons? |
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0 |
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1 |
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2 |
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3 |
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None of the previous answers. |
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13 |
Arsenic has how many unpaired electrons? |
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0 |
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1 |
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2 |
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3 |
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None of the previous answers. |
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14 |
Sulfur has how many unpaired electrons? |
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0 |
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1 |
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2 |
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3 |
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None of the previous answers. |
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15 |
Calcium has how many unpaired electrons? |
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0 |
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1 |
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2 |
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3 |
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None of the previous answers. |
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16 |
Cadmium has how many unpaired electrons? |
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0 |
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1 |
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2 |
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3 |
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None of the previous answers. |
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17 |
Neodymium has how many unpaired electrons? |
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0 |
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3 |
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4 |
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6 |
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None of the previous answers. |
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18 |
Diamagnetic elements have no unpaired electrons and paramagnetic elements have at least one unpaired electron. Which one of the following elements would be diamagnetic? |
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potassium |
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barium |
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tin |
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iodine |
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None of the previous answers. |
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19 |
When the quantum numbers n,l,m,s are represented by 5,0,0,1/2, the symbolism for the electron is: |
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5s |
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5p |
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1s |
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impossible set of quantum numbers |
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None of the previous answers. |
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20 |
When the quantum numbers n,l,m,s are represented by 4,2,1,1/2, the symbolism for the electron is: |
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4s |
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4p |
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4d |
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impossible set of quantum numbers |
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None of the previous answers. |
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21 |
When the quantum numbers n,l,m,s are represented by 3,1,0,1/2, the symbolism for the electron is: |
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3s |
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3p |
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3d |
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impossible set of quantum numbers |
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None of the previous answers. |
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22 |
When the quantum numbers n,l,m,s are represented by 4,1,2,1/2, the symbolism for the electron is: |
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4s |
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4p |
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4d |
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impossible set of quantum numbers |
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None of the previous answers. |
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23 |
When the quantum numbers n,l,m,s are represented by 3,3,2,1/2, the symbolism for the electron is: |
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3s |
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3d |
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3f |
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impossible set of quantum numbers |
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None of the previous answers. |
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24 |
For a 6s electron the values of n,l,m,s respectively could be: |
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6,4,4,1/2 |
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1,0,0,1/2 |
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6,1,0,1/2 |
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6,0,0,1/2 |
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None of the previous answers. |
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25 |
For a 4p electron the values of n,l,m,s respectively could be: |
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4,1,0,1/2 |
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4,1,2,1/2 |
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4,2,2,1/2 |
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4,0,0,1/2 |
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None of the previous answers. |
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26 |
For a 5d electron the values of n,l,m,s respectively could be: |
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5,1,0,1/2 |
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5,2,3,1/2 |
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5,2,2,1/2 |
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5,3,0,1/2 |
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None of the previous answers. |
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27 |
Absorption of light by an atom causes an electron to: |
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be promoted from a ground state orbital to an excited orbital. |
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conduct electricity. |
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move into the nucleus. |
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fall to a lower energy orbital. |
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None of the previous answers. |
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