Which element is likely more reactive, and why

There is one s orbital, and there are three p orbitals, five d orbitals, and seven f orbitals. thus, the answer is b. do not confuse the number of orbitals in a subshell with the number of electrons the subshell can hold. each orbital can hold two electrons, so the capacity of an nf subshell is 14 electrons.

500bc indiais the answer.

No. an alpha particle is a pair of protons and a pair of neutrons, i.e. a helium

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