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The electron configuration for the carbon atom (C) is 1s2 2s2 2p2. The atomic number of carbon is

The Pauli exclusion principle states that no two electrons in the same atom can

The frequency of electromagnetic radiation is measured in waves/second, or

What is the electron configuration for nitrogen, atomic number 7?

Who is considered to be the father of the periodic table?

The number of electrons in the highest energy level of the argon atom (atomic number 18) is

Protons and neutrons have roughly the same mass.

Which of the following describes the shape of an orbital?

The set of orbitals that are dumbbell shaped and directed along the x, y, and z axes are called

“Orbitals of equal energy are each occupied by one electron before any is occupied by a second electron, and all electrons in singly occupied orbitals must have the same spin” is a statement of