Place the Following Ions in Order from Smallest to Largest

question 79

Multiple Choice

Place the following ions in order from smallest to largest ionic radii: K⁺,Na⁺,Mg²⁺,and Al³⁺.

• A) Al³⁺ < Mg²⁺ < Na⁺ < K⁺
• B) Na⁺ < Mg²⁺ < Al³⁺ < K⁺
• C) K⁺ < Mg²⁺ < Na⁺ < Al³⁺
• D) K⁺ < Al³⁺ < Mg²⁺ < Na⁺
• E) Mg²⁺ < Al³⁺ < Na⁺ < K⁺

Differentiate between dependent and independent variables in experiments.

Understand the concept of correlation, including positive and negative correlations, and their implications.

Grasp the importance of representative samples in research and how they are constituted.

Understand the concept and function of control groups, random assignment, and placebo effects in experimental research.

---

Definitions:

Oil Well

A drilling operation focused on extracting petroleum or natural gas from underground reservoirs, usually involving significant exploration and investment.

Goodwill

The excess of the purchase price over the fair value of identifiable assets and liabilities acquired in a business combination.

Excess Cost

This refers to the additional amount paid over the book value of an asset in a purchase consideration.

Goodwill

An intangible asset that arises when a company is purchased for more than the fair market value of its net assets, representing reputation, brand, or intellectual property.