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Chapter quiz
Atomic Structure Quiz
Answer each question, submit once, and review explanations for every item.
Question 1
Foundation
An atom has 11 protons, 12 neutrons, and 10 electrons. Which statement is correct?
Answer choices
It is a neutral neon atom
It is a sodium ion with a +1 charge
It is a magnesium ion with a -1 charge
It is a sodium isotope with a -1 charge
Question 2
Foundation
What is the mass number of an atom with 8 protons and 10 neutrons?
Numerical answer
Question 3
Foundation
Which change creates an isotope of carbon rather than a different element?
Answer choices
Add one proton
Remove one proton
Add two neutrons
Remove all electrons
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