Which element has the symbol Si?

Prepare for the Pre-IB Grade 9 Science Exam with detailed flashcards and multiple-choice questions. Each question is paired with hints and thorough explanations. Ace your test with confidence!

Multiple Choice

Which element has the symbol Si?

Explanation:
Chemical symbols are shorthand for elements, usually built from the element’s name. The symbol Si comes from Silicon, matching its name exactly. Among the other options, Sodium is represented by Na, Neon by Ne, and Magnesium by Mg, so they don’t fit Si. Silicon (atomic number 14) is notable for its role in semiconductors and electronics.

Chemical symbols are shorthand for elements, usually built from the element’s name. The symbol Si comes from Silicon, matching its name exactly. Among the other options, Sodium is represented by Na, Neon by Ne, and Magnesium by Mg, so they don’t fit Si. Silicon (atomic number 14) is notable for its role in semiconductors and electronics.

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