The Atomic Number of Chlorine Is 17

question 20

Multiple Choice

The atomic number of chlorine is 17. The atomic number of calcium is 20. What is the chemical formula for calcium chloride?

• A) CaCl
• B) CaCl2
• C) Ca2Cl
• D) Ca2Cl2
• E) CaCl3

---

Definitions:

Tacit Knowledge

Knowledge that is difficult to transfer to another person by writing it down or verbalizing it, often gained through personal experience and context.

Intuition

The ability to understand something instinctively, without the need for conscious reasoning, often involving quick and effective decision-making based on experience.

Logical Reasoning

Logical reasoning encompasses the ability to analyze a situation and come to a logical conclusion.

Biased

showing an unfair preference for or against something based on personal opinion.