Why Is an Iron Atom a Different Element Than a Sodium

question 2

Multiple Choice

Why is an iron atom a different element than a sodium atom?

• A) A sodium atom has fewer neutrons in its nucleus than an iron atom.
• B) An iron atom has more protons in its nucleus than a sodium atom.
• C) A sodium atom is bigger than an iron atom.
• D) All of the above are true.

---

Definitions:

Efficiency

The optimal allocation of resources to maximize the production of goods and services or the achievement of a given objective with the least amount of waste.

Equality

Having parity in terms of opportunities, rights, and social status.

Progressive Income Tax

A tax system where the tax rate increases as the taxable amount of an individual's or entity's income increases, aiming to redistribute income more equally.

Efficiency

The degree to which an entity optimizes the use of its resources to achieve its objectives, minimizing waste and maximizing output.