A 
Mn2+ ion has ________ protons, ________ neutrons, and ________electrons.
A) 23; 30; 25
B) 25; 30; 23
C) 30; 25; 23
D) 25; 30; 25
E) 30; 25; 30
Correct Answer:
Verified
Q8: What is the correct symbol for an
Q9: Which statement is not correct? In atomic
Q10: Protons and neutrons are examples of _
A)nuclei.
B)nuclides.
C)nucleons.
D)isotopes.
E)charged
Q11: Which particle-level diagram is the best representation
Q12: Which statement is correct?
A)Electrons, protons, and neutrons
Q14: Who discovered electrons?
A)Robert Boyle
B)Robert Millikan
C)Joseph John Thomson
D)John
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