The type of bond formed depends on the valence electrons (no: of electrons in the outermost shell)
When two atoms share one electron pair between each other, then they are said to be bonded by single covalent bond
When two atoms share two electron pairs between each other, they are said to be bonded by double covalent bond
When two atoms share three electron pairs between each other, they are said to be bonded by triple covalent bond.
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The radioisotope U-238 is primarily used in dating geologic formation. This method is used for dating sediments from either a marine or playa lake environment. Because this method is used for the period between 100,000 years and 1,200,000 years before the present, it aids in bridging the gap between the carbon-14 dating method and the potassium-argon dating method.
your answer would be C hope this helps
Answer:4)Wind energy can harm migrating birds.
Explanation:
Nothing. Many salad dressings are a mixture of sugar and vinegar.
