How many f orbitals have n = 6?

An element has the electron configuration 5s24d105p2. The element is a(n)

Which of the following electron configurations is correct?

Which of the following atoms or ions has three unpaired electrons?

Choose the element with the highest ionization energy.

What is the specific heat capacity of a metal if it requires 178.1 J to change the temperature of 15.0 g of the metal from 25.00°C to 32.00°C?

All matter exhibits either particulate or wave properties exclusively.

Which of the following statements about quantum theory is incorrect?

Consider the following portion of the energy-level diagram for hydrogen:   n = 4   –0.1361 x 10–18 J   n = 3   –0.2420 x 10–18 J   n = 2   –0.5445 x 10–18 J   n = 1   –2.178 x 10–18 J In the hydrogen spectrum, what is the wavelength of light associated with the n = 3 to n = 1 electron transition?

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