The decomposition of ammonia to the elements is a first-order reaction with t1/2 = 200s at a certain T. How long (in seconds) will it take the partial pressure of NH3 to decrease from 0.100atm to 0.00625atm?​

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.

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The metal is named first

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