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What is the correct name for P₄O₁₀?

What would be the charge on an atom of Pb which only has 78 electrons?  [sign][magnitude]

What is the correct name for C₂Cl₄?

The names and symbols for the transition elements used in the fictional kingdom of Narnia are different from those used by the rest of the planet, except for silver, cadmium, and zinc. For the rest of the elements and chemical entities, the kingdom uses the same names and inorganic nomenclature rules as used by the rest of the world. If the name used for a transition metal is “narnium” (symbol Nr), what would be the name of NrSO4 in the kingdom of Narnia? 

What would be the charge on an atom of Bi which only has 78 electrons?  [sign][magnitude]

For the following electron configuration, identify the element and determine if it is in the ground state or excited state. 1s²2s²2p⁶3s²3p⁶4s²3d¹

Which element has the ground-state electron configuration [Kr]5s²4d¹⁰5p³?

The fictional element Marylium (symbol Mr) makes two oxyanions: MrO32¯ and MrO42¯ What would be the name of SrMrO3?  Note: The fictional element name is a Latin word that ends with -ium like many real elements. Just use the same rules as you would with a real element name.

Prehistory is defined as..

Ancient Mesopotamia’s background belief system was based on