which one is the wrong one? instructure.com/courses/1303754/quizzes/1740966 Ques

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which one is the wrong one?

instructure.com/courses/1303754/quizzes/1740966 Question 2 Choose a word/phrase from the drop down list to complete the statements. Words/phrases may be used once, more than once or not at all. Electrons are shared EQUALLY in Covalent bonds stabilize the Hydrogen bonds structure of DNA and proteins Electron pairs orbit both nuclei in ALL Non-polar covalent bonds Polar covalent bonds oxygen and hydrogen atoms in a single water molecule. When an atom gives away an electron it becomes an ion with a charge A drop of water has millions of molecules of water held together by Hydrogen bonds are formed when onic bands electrons are transferred from one atom to another Not yet graded / 1 pts Question 3

Explanation / Answer

First one is wrong.

Covalent bond is a chemical bond formed by sharing of pair of electrons between atoms. Covalent bond can be polar or non-polar type. If the electron pair is shared equally, the type of bond is called non polar covalent bond. A polar covalent bond is formed when electron pair is not equally shared, which occurs when one atom has greater electronegativity than the other.

Hence, the answer that should be selected should be non-polar covalent bond and not just covalent bond.

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