In an electrically neutral atom the number of protons in the nucleus is equal to the number of
A) electrons that surround the nucleus.
B) neutrons in the nucleus.
C) both electrons and neutrons.
D) none of the above
Correct Answer:
Verified
Q3: To become a negative ion, an atom
Q4: An electron and a proton
A)attract each other.
B)repel
Q5: A fundamental rule of electricity is that
A)like
Q6: The unit of electric charge, the coulomb,
Q7: An electrically charged atom is an
A)ion.
B)isotope.
C)both of
Q9: Which of these has the greatest mass?
A)proton
B)electron
C)both
Q10: The pair of protons in the nucleus
Q11: To say that electric charge is conserved
Q12: To become a positive ion, an atom
Q13: Which of these does NOT have an
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