The three particles that make up atoms are
a. protons, neutrons, and electrons.
b. protons, neutrons, and isotopes.
c. neutrons, isotopes, and electrons.
d. positives, negatives, and neutrals.

14. many depressants reduce small muscle control, making it harder for a. you to steer b. your mind to consider complex problems c. the eye to scan, focus, or stay still d. the kidneys to filter alcohol out of the bloodstream

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

An atom of which element reacts with an atom of hydrogen to form a bond with the greatest degree of polarity ?