Which of these elements is not one of the four elements that make up most of the human body?
A) carbon
B) nitrogen
C) oxygen
D) calcium
Correct Answer:
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Q4: The end product of a reaction between
Q5: Which subatomic particle has a negative charge?
A)
Q6: Bases have
A) a pH less than 7
B)
Q6: The process of hydrolysis
A) uses water to
Q7: The atomic number of an atom is
Q9: Which subatomic particle is found in the
Q9: Bonds that usually dissociate in water to
Q14: A solution with a pH of 4
A)
Q18: Electrons are found
A) in the nucleus.
B) in
Q19: The subatomic particle that determines how an
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