How many structural isomers does CH4 have?
a. two
b. five
c. three
d. one

Hello,  there! your Answer is Below

My Answer Would be A. Two

Explanation:

Structural Isomers are molecules which have the same molecular formula but have different connectivities

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since the atomic number is the number of protons in the nucleus, as we move to the left on the periodic table, the electrostatic pull between the nucleus and the valence electron shell decreases. as we move down a group (vertical column), the valence shell energy level gets further and further from the nucleus.

a polar bond is formed when electrons are shared unevenly between atoms