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A space probe identifies a new element in a sample collected from an asteroid

Chemistry

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A space probe identifies a new element in a sample collected from an asteroid. Successive ionization energies (in attojoules per atom) for the new element are shown below.

Ion. Energy 1: 0.507
Ion. Energy 2: 1.017
Ion. Energy 3: 4.108
Ion. Energy 4: 5.074
Ion. Energy 5: 6.147
Ion. Energy 6: 7.903
Ion. Energy 7: 8.294

To what family of the periodic table does this new element probably belong?

() 1 (1A)
() 2 (2A)
() 3 (3A)
() 14 (4A)
() 15 (5A)
() 16 (6A)
() 17 (7A)
() 18 (8A)