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Which of the following elements is least likely to combine with another element? ✔Correct
Answer--helium
Which of the following is not one of the major elements present in the human body? ✔Correct
Answer--zinc
AB + CD → AD + CB is an example of a(n) _____ reaction. ✔Correct Answer--exchange
An example of a catabolic process is ✔Correct Answer--hydrolysis
The approximate pH of gastric fluid is ✔Correct Answer--2
A solution that contains a greater concentration of hydroxide ions (OH-) than hydrogen ions (H+) is
a(n) _____ solution ✔Correct Answer--alkaline (basic)
Which of the following represents properties of water? ✔Correct Answer--High specific heat
High heat of vaporization
Strong polarity
Answer : All of the above
Atomic mass is determined by the number of ✔Correct Answer--protons and neutrons.
The study of metabolism includes examination of ✔Correct Answer--catabolism
anabolism.
ATP requirements.
Answer : all of the above.
A example of a catabolic process is ✔Correct Answer--hydrolysis
The octet rule refers to the ✔Correct Answer--stability of the atom when there are eight electrons
in the outermost energy level.
Substances that accept hydrogen ions are called ✔Correct Answer--base
When atoms combine, they may gain, lose, or share ✔Correct Answer--electrons
Acids ✔Correct Answer--are proton donors.
taste sour.
release hydrogen ions in an aqueous solution.
Answer : All of the above are true of acids.
The formation of sucrose involves the removal of a molecule of water. This is called ✔Correct
Answer--dehydration synthesis