Quiz: Calculating Protons, Neutrons, and Electrons in Atoms and Ions
Edexcel GCSE Chemistry
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Building on what you've learned about atoms and their structure, let's test your knowledge of calculating protons, neutrons, and electrons in atoms and ions!
What is the number of protons in an atom determined by?
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Which of the following are true about neutrons? (Select all that apply)
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The {{blank0}} of an atom is calculated by adding the number of protons and {{blank1}}.
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Match the items on the left with their correct pairs on the right
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An atom has an atomic number of 8 and a mass number of 16. How many neutrons does it have?
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What is the charge of an atom with 3 protons, 4 neutrons, and 2 electrons?
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Which of the following are true for a neutral atom? (Select all that apply)
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An ion forms when an atom gains or loses {{blank0}}. If it gains electrons, it becomes {{blank1}} charged.
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Match the items on the left with their correct pairs on the right
An ion has 12 protons and 10 electrons. What is its charge?
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