How Many Valence Shell Electrons Does an Atom of Thallium

question 125

Multiple Choice

How many valence shell electrons does an atom of thallium have?

• A) 1
• B) 4
• C) 3
• D) 81
• E) 7

---

Definitions:

Import Quota

A government-imposed limit on the quantity of a specific good that can be imported into a country within a given timeframe.

Specific Tariff

A fixed fee imposed on imported goods based on quantity, such as units, weight, or volume, rather than value.

Ad Valorem Tariff

A tax imposed on imported goods, calculated as a percentage of the value of the imports rather than a fixed rate.

World Price

The global market cost for a product or service, set by the overall demand and supply dynamics.