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 does modern periodic law state?
💡 Hint: Look for keywords related to atomic numbers.
Question 2
Easy
List the four blocks of the periodic table.
💡 Hint: Think about the outer shell electron configurations.
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
Which statement best describes the modern periodic law?
- Properties are based on atomic weight.
- Properties are periodic functions of atomic numbers.
- Properties are random among elements.
💡 Hint: Focus on the relationship between properties and atomic numbers.
Question 2
True or False: All elements in a group have the same number of protons.
- True
- False
💡 Hint: Consider the definition of groups in the periodic table.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Analyze the periodic trends in ionization energy for elements across periods 2 and 3. How do the values support the periodic law?
💡 Hint: Look at the specific values in the periodic table for comparison.
Question 2
Predict the chemical behavior of an element in group 14 and explain your reasoning.
💡 Hint: Consider the usual valence and how it interacts when combining with other elements.
Challenge and get performance evaluation