Structural isomers are chemical compounds that have:
the same atoms that are arranged in different orders.
the same atoms that are arranged in the same order.
the same types of bonds that are bonding the same number of carbon atoms to different atoms.
different types of bonds that are bonding the same number of carbon atoms to different atoms.

Timed ! in which of these statements are protons, electrons, and neutrons correctly compared? quarks are present in protons and neutrons but not in electrons. quarks are present in protons, neutrons, and electrons. quarks are present in neutrons and electrons but not in protons. quarks are present in protons and electrons but not in neutrons.