Practice - The Atom: A Simplified Model
Practice Questions
Test your understanding with targeted questions
What is the smallest particle of an element?
💡 Hint: Think about what defines an element.
What is the charge of a proton?
💡 Hint: Consider the electrical nature of particles.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What particle defines the atomic number of an element?
💡 Hint: Think about which particle's count identifies the element.
Isotopes are defined as atoms of the same element that have...
💡 Hint: Recall what isotopes share and what distinguishes them.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Given a hypothetical element with 15 protons and 18 neutrons, what is its atomic number and mass number? Also, mention its identity.
💡 Hint: Count the protons for atomic number and add protons and neutrons for mass number.
If an isotope of Boron has a mass number of 11 and contains 5 protons, how many neutrons does it have? What does this imply about its properties?
💡 Hint: Use the mass number formula for your calculation.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.