The Valence Shell of the Element X Contains 2 Electrons

question 144

Multiple Choice

The valence shell of the element X contains 2 electrons in a 5s subshell. Below that shell, element X has a partially filled 4d subshell. What type of element is X?

• A) alkali metal
• B) chalcogen
• C) transition metal
• D) halogen
• E) main group element

---

Definitions:

Compliance

The act of adhering to laws, regulations, standards, and ethical practices applicable to an organization or activity.

Code of Ethics

A set of guidelines created by an organization to guide its members in making ethical decisions and conducting themselves appropriately.

Natural Environment

The physical and biological factors along with their chemical interactions that affect an ecosystem or the planet as a whole.

Cause Marketing

A marketing strategy where a company partners with a non-profit organization or cause to market a product or service with the promise of benefiting the cause, thereby creating a positive social impact and boosting the company's image.