AP BIOLOGY

BIOCHEMISTRY

PH

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What bond holds Oxygen to Hydrogen
A
Covalent Bond
B
Hydrogen Bond
C
Ionic Bond
Explanation: 

Detailed explanation-1: -Strong linkages-called covalent bonds-hold together the hydrogen (white) and oxygen (red) atoms of individual H2O molecules. Covalent bonds occur when two atoms-in this case oxygen and hydrogen-share electrons with each other.

Detailed explanation-2: -Oxygen has 6 valence electrons while hydrogen has 1 valence electron. The oxygen requires two electrons to complete its octet, therefore it is two hydrogen atoms that form a polar covalent bond with one oxygen atom to make a water molecule.

Detailed explanation-3: -Because of the unequal distribution of electrons between the different nuclei, a slightly positive (

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