MDCAT Chemistry MCQ #732

Moseley's study of X-ray frequencies revealed that the square root of the frequency is directly proportional to which property of the target metal?

MDCAT Chemistry MCQ #732

  1. Question 1

    Q1. Moseley's study of X-ray frequencies revealed that the square root of the frequency is directly proportional to which property of the target metal?

    • A) Atomic number
    • B) Atomic mass
    • C) Neutron number
    • D) Density of metal

    Answer: Atomic number

    Explanation: Moseley showed frequency depends on atomic number (Z); atomic mass (A) was previously thought to be the fundamental property.