An atom that contains 20 protons, 21 neutrons, and 20 electrons has
A) a positive charge.
B) a negative charge.
C) no charge (electrically neutral) .
D) not enough information is given to determine its charge.
Correct Answer:
Verified
Q9: Bonds that usually dissociate in water to
Q10: The bonds formed when electrons are shared
Q11: Which subatomic particle is found in the
Q12: The atomic mass of an atom is
Q13: Which subatomic particle has a negative charge?
A)
Q15: Which subatomic particle has no charge?
A) Proton
B)
Q16: Which subatomic particle has a positive charge?
A)
Q17: Acids have
A) a pH less than 7.
B)
Q18: Electrons are found
A) in the nucleus.
B) in
Q19: The subatomic particle that determines how an
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