Rewrite the sentence in correct form — task. Science State Board, Class 7.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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Elements contains two or more kinds of atoms, and compounds contains only one kinds of atoms.

Elements contain two or more kinds of atoms, and compounds contain two or more kinds of atoms.
Elements contain two or more kinds of atoms, and components contain two or more kinds of elements.
Elements contain two or more kinds of atoms, and compounds contain two or more kinds of elements.
Elements contain two or more kinds of ions, and compounds contain two or more kinds of elements.

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