What Is the Symbol for an Element Which Contains 57

question 56

Multiple Choice

What is the symbol for an element which contains 57 neutrons and has a mass number of 101?

• A) Er
• B) Ru
• C) Md
• D) La
• E) Os

---

Definitions:

Physical Environments

concerns the tangible, physical conditions or surroundings in which individuals live or operate.

Social Environments

The immediate physical and social setting in which people live or in which something happens or develops, including cultural, economic, and demographic conditions.

Stewardship

The responsible management and care of resources or property for the well-being of others and future generations.

Liden Et Al.'s Research

Studies conducted by Robert C. Liden and his colleagues, often focusing on leadership, work teams, and organizational behavior.