A Metallic Object Holds a Charge of -2

question 7

Multiple Choice

A metallic object holds a charge of -2.9 *10^-5 C. What total number of electrons does this represent? (e = 1.6 *10^-19 C is the magnitude of the electronic charge.)

• A) 1.8 *10¹⁴
• B) 2.4 * 10¹³
• C) 6.1 * 10¹³
• D) 4.2 * 10¹⁴

---

Definitions:

Reflectivity

The measure of the proportion of light or radiation that is reflected by a surface, often impacting climate and temperature.

Earth's Climate

The global patterns of weather and atmospheric conditions affecting the entire Earth, influenced by solar radiation, oceans, landforms, and human activity.

Temperature

A physical quantity expressing hot and cold, measured with a thermometer and quantitatively determined by the average kinetic energy of the particles in a substance.

Precipitation

Any form of water - liquid or solid - falling from the sky, including rain, snow, sleet, and hail, which is a crucial component of the water cycle.