What would be the charge on an atom of Ni which only has 25 electrons?  [sign][magnitude]

An unknown element X has the following isotopes: ⁵⁸X (68.00% abundant), ⁶⁰X (26.00% abundant), ⁶²X (6.00% abundant). What is the average atomic mass in amu of X? Show your work.

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? 

The fictional element Chaffium (symbol Ch) makes two oxyanions: ChO3¯ and ChO4¯ What would be the name of ChO4¯?  Note: The fictional element name is a Latin word that ends with -ium like many real elements. Just use thesame rules as you would with a real element name.

Which of these ions is isoelectronic to the oxide anion O²⁻? 

What would be the name of the acid formed by the fictional anion magnite?  Note: Yes, the fictional anion name is an American online advertising technology firm based in Los Angeles, California. But you must know which part you need to pay attention to and apply the naming rules.

Predict the chemical formula for the ionic compound formed by Cu²⁺ and P³⁻

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.

For the following electron configuration, identify the element and determine if it is in the ground state or excited state. 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

Fertile Crescent is seen in the presentation of Egypt and the terminology means that the soil in the area is good to grow plants and crops.