Chemical reactivity and the formation of chemical bonds between atoms is a
function of which subatomic particles?
neutrons
protons
electrons
nuclei
Carbon-12 has six protons and six neutrons in its nucleus. Carbon-14 has six
protons and eight neutrons in its nucleus and is radioactive. Carbon-14 is an
example of a(n) ________.
isomer
isotope
ion
molecule
Glucose is an example of a ________.
disaccharide
polysaccharide
lipid
monosaccharide
How does the H+ concentration of a solution with a pH of 5 compare to a solution
with a pH of 3?
Its H+ concentration is 1,000 times less.
Its H+ concentration is 100 times less.
Its H+ concentration is 100 times greater.
Its H+ concentration is 20 times greater
Hydrogen bonds occur between ________.
two oppositely charged ions in a solution
two hydrogen atoms
the hydrogen atom and the oxygen atom of one water molecule
oppositely charged regions of polar molecules that contain covalently
bonded hydrogen