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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

Tell Asmar Statuettes were created as an offering for those who passed away as a form of prayer.

At rest, the volume of air in the lungs is 615 mL at 760 mm Hg. When the volume of the lungs expands during inhalation, what happens to the pressure inside the lungs?

An aerosol spray can with a volume of 350 mL registers a pressure of 4.5 atm at room temperature. What happens to the pressure of the gas inside the can if the can is stored outside during the winter months?

Which of the following approaches may be viable in helping promote the positive outcomes of social media use and reduce the negative outcomes?