The Mass Number of an Atom of ⁶⁷Ga Is ________

question 17

Multiple Choice

The mass number of an atom of ⁶⁷Ga is ________.

• A) 31
• B) 76
• C) 36
• D) 67
• E) 70

---

Definitions:

Economic Independence

The condition of having sufficient personal wealth to live, without needing to work actively for basic necessities, allowing an individual or country to operate independently of others financially.

LEED

Leadership in Energy and Environmental Design, a globally recognized green building certification system.

Green Jobs

Employment opportunities that contribute to preserving or restoring environmental quality, often associated with renewable energy, energy efficiency, and pollution reduction.

Agrihoods

Residential communities built around farms, providing residents with access to fresh, local produce and fostering a sense of community and sustainability.