Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
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 related to the topic.
Question 1
Easy
What is an ion?
💡 Hint: Think about the balance of protons and electrons.
Question 2
Easy
What do we call a positively charged ion?
💡 Hint: Remember the letter 'T' in cation stands for 'positive.'
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is an ion?
- A neutral atom
- Charged atom or group of atoms
- Only positively charged particles
💡 Hint: Think about the charge of an ion.
Question 2
A cation is formed by?
- True
- False
💡 Hint: Remember the definition of a cation.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Calculate the charge of an ion if a sulfur atom (atomic number 16) gains two electrons. What would be the symbol for this ion?
💡 Hint: Consider sulfur's original electron configuration before gaining.
Question 2
Explain why ionic compounds generally have high melting points. Use the concept of ionic bonding in your explanation.
💡 Hint: Think about the strength of the forces holding the ions together.
Challenge and get performance evaluation