An Isotope with 22 Neutrons and 18 Protons Is What ${ }_{18}^{42} \mathrm{Ar}$

question 61

Multiple Choice

An isotope with 22 neutrons and 18 protons is what?

• A) \({ }_{18}^{42} \mathrm{Ar}\)
• B) \({ }_{18}^{22} \mathrm{Ar}\)
• C) \({ }_{18}^{40} \mathrm{Ar}\)
• D) \({ }_{22}^{18} \mathrm{Ar}\)

Know common names and chemical formulas of compounds.

Explain the mathematical relationship between pH and hydrogen ion concentration.

Understand the role and properties of platinum in electrochemistry.

Comprehend the process and significance of mitosis.

---

Definitions:

GED Exam

A test that provides individuals who have not completed high school the opportunity to earn a certificate equivalent to a high school diploma.

High School Equivalency Test

A test that assesses whether a person has academic knowledge and skills equivalent to those of a high school graduate.

Developmental Needs

The requirements necessary for a person to grow, develop, or achieve milestones, varying greatly across different ages and stages of life.

Low-Income Families

Households earning significantly less than the median income, struggling to meet basic needs such as food, housing, and healthcare.