How Many Hydrogen Atoms Are Present in 1 $\times$ 10²² Atoms
D) 1

question 98

Multiple Choice

How many hydrogen atoms are present in 1.0 g of NH₃?

• A) 0.059 atoms
• B) 0.18 atoms
• C) 3.5 \(\times\) 10²² atoms
• D) 1.1 \(\times\) 10²³ atoms
• E) 1.2 \(\times\) 10²² atoms

Analyze the advantages and disadvantages of different document testing contexts.

Describe different factors influencing the evaluation or testing of a document.

Define what a Subject Matter Expert (SME) is and their role in usability testing.

Recognize various categories of usability problems.

---

Definitions:

Exports

Products or services originating from one country and sold to buyers located in a different country.

Imports

Goods and services bought by a country from other countries. Imports can include a wide range of items, from raw materials to finished goods.

Producer Surplus

Producer surplus is the difference between the amount that a producer is paid for a good and the minimum amount they would be willing to accept for that good, essentially representing the profit made by the producer.

Trade

The exchange of goods, services, or both between two or more parties, either within a country or internationally.