The four most abundant elements in the human body are
A) carbon, hydrogen, oxygen, and iron.
B) carbon, hydrogen, oxygen, and nitrogen.
C) calcium, hydrogen, sodium, and potassium.
D) carbon, oxygen, magnesium, and zinc.
E) carbon, sulfur, calcium, and potassium.
Correct Answer:
Verified
Q5: The amount of matter in an object
Q6: Isotopes of the same element have
A) the
Q7: Electrons
A) comprise the majority of the mass
Q8: In ionic bonding,
A) only non-polar molecules are
Q9: Which of the following best describes a
Q11: A neutral atom will become a cation
Q12: The three forms of matter are
A) air,
Q13: Covalent bonds form when
A) atomic nuclei fuse.
B)
Q14: The smallest particle of an element that
Q15: The amount of matter in an object
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