4 - STRUCTURE OF THE ATOM
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Practice Questions
Test your understanding with targeted questions
What is a proton?
💡 Hint: Think about the charge and location in the atom.
Define atomic number.
💡 Hint: It's the number that defines the element.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What particle is negatively charged?
💡 Hint: Remember the charges of subatomic particles.
True or False: Isotopes have the same number of protons.
💡 Hint: Think about what isotopes are.
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Challenge Problems
Push your limits with advanced challenges
If a chlorine isotope has 17 protons and a mass number of 35, how many neutrons does it have?
💡 Hint: Use the formula: Mass Number = Protons + Neutrons.
Determine the valency of magnesium, given it has 12 protons and its outer shell can hold 2 electrons.
💡 Hint: Consider how many electrons it needs to lose or gain to achieve a stable octet.
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