Multiple choice

The element present in the largest amount in rocks and minerals is

  1. carbon

  2. silicon

  3. hydrogen

  4. aluminium
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Silicon is the most abundant element in the Earth's crust, making up about 28% of its mass. It's primarily found in silicate minerals which are the main constituents of rocks. While oxygen is the most abundant element overall by mass, silicon dominates the rock and mineral composition specifically.

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