Cytosine is one of the 4 main bases in DNA. The formula for cytosine is C₄H₂N₃O. How many atoms in all are in each molecule of cytosine? *

Answerionic bond imfs are stronger than covalent;

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3-isopentane; 3-methylbutane, and 1,2-methylpropane do not meet iupac rules, so they are wrong names.the only valid name onthe list is 2-methylbutane, which is the same isopentane.this is its formula:                   ch2                    |ch3 - ch - ch2 - ch3answer: 2-methylbutane

Elements that have complete valence shells are found in group 18, also known as the noble gases. these gases possess the stable octet, and are neon, radon, xenon, etc.