Iron Has Atomic Number 26

question 67

Multiple Choice

Iron has atomic number 26.Naturally mined iron contains isotopes of mass numbers 54, 56, 57, and 58.Which of the following statements is FALSE?

• A)every atom of iron has 26 protons
• B)some iron atoms have 30 neutrons
• C)some iron atoms have 54 neutrons
• D)the isotopes may be separated in a mass spectrometer
• E)there are four kinds of naturally occurring iron atoms with the same chemical properties

---

Definitions:

United States

A country located primarily between Canada and Mexico in North America, known for its significant influence on global politics, economy, and culture.

Big Five Model

A psychological model outlining five broad dimensions of personality: openness, conscientiousness, extraversion, agreeableness, and neuroticism.

Extroversion

A personality trait characterized by outgoingness, high levels of social energy, and a preference for social interaction.

Conscientiousness

Conscientiousness is a personality trait marked by diligence, carefulness, thoroughness, and the desire to do a task well, often linked to better job performance and productivity.