Practice - Structure of an Atom
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
What are the three subatomic particles of an atom?
💡 Hint: Think about what is found in the nucleus and what orbits around it.
What is the charge of a proton?
💡 Hint: Recall the positive particle found in the nucleus.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What particles make up the nucleus of an atom?
💡 Hint: Think about what is in the center of the atom.
True or False: Electrons have a positive charge.
💡 Hint: Recall the charges of the different subatomic particles.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
An element has an atomic number of 12. Determine its atomic mass if it has 6 neutrons and provide its electron configuration.
💡 Hint: Use the atomic number and neutrons to find the atomic mass, then distribute electrons based on the 2n² rule.
If an atom contains 5 electrons, how would you write its electron configuration and determine its valency?
💡 Hint: Distribute the 5 electrons according to the shell rules, then calculate the valency.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.