Practice Test Geeks(CBJ) Certified Bench Jeweler Practice Test
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Metal Properties and Alloys Flashcards

6 cards from real CBJ practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 Metal Properties and Alloys flashcards as text

  1. What metal is added in higher quantities to create rose gold?

    Answer: Copper

    Rose gold achieves its pinkish-red color from an elevated copper content in the gold alloy.

  2. What percentage of pure gold is found in 18-karat gold?

    Answer: 75%

    18-karat gold contains 75% pure gold, calculated by dividing 18 by 24.

  3. Which metals are typically used to achieve the white color in white gold alloys?

    Answer: Nickel or palladium

    White gold is alloyed with nickel or palladium to produce a white appearance, then often rhodium-plated for brightness.

  4. What makes Argentium silver different from standard sterling silver?

    Answer: Addition of germanium for tarnish resistance

    Argentium silver contains germanium, which significantly improves tarnish resistance compared to traditional sterling silver.

  5. Which physical property makes gold ideal for fabricating pieces requiring fine engraved or chased detail?

    Answer: Exceptional malleability

    Gold's exceptional malleability allows it to be worked into extremely fine detail without cracking or tearing.

  6. Palladium belongs to which group of metals?

    Answer: Platinum group metals

    Palladium is a platinum group metal (PGM), sharing similar chemical properties with platinum, rhodium, and others.

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Sources & references

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  1. jewelers.org — Test delivery, eligibility, fees, passing score, retake fee, retake policy, score release, time limit · verified Oct 2026