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Chemicals of Life

question 1 of 1 Grade: Form 3
question 1 of 1 Grade: Form 3

Q: Which combination of chemical elements is present in a protein molecule?

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Did You Know?

Sodium chloride has ionic bonding. Sodium (metal) transfers an electron to chlorine (non-metal), forming Na⁺ and Cl⁻ ions.

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Did You Know?

Sodium chloride has ionic bonding. Sodium (metal) transfers an electron to chlorine (non-metal), forming Na⁺ and Cl⁻ ions.

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