| What to create | Exam |
| Which subject | Science |
| What age group | Year or Grade 8 |
| What topic | Elements and Compounds |
| Question types | Open-ended |
| Number of questions | 5 |
| Number of answers | 4 |
| Correct answers | Exactly 1 |
| Show correct answers | |
| Use images (descriptions) | |
| Any other preferences |
Answer the following questions to the best of your ability. Each question focuses on the topic of elements and compounds.
Define an element. Provide one example.
Your answer should include a brief definition of an element as a pure substance that cannot be broken down into simpler substances, along with one specific example of an element.
What is a compound? Describe the difference between a compound and a mixture.
In your answer, clearly define what a compound is and include a concise comparison that distinguishes it from a mixture.
List and describe the three types of chemical bonds that can form between atoms in compounds.
Your list should include ionic bonds, covalent bonds, and metallic bonds with a brief explanation of each type.
Explain the law of conservation of mass in relation to chemical reactions involving compounds.
Include in your explanation how this law applies when compounds are formed or broken down during a chemical reaction.
How can you determine the chemical formula of a compound? Give an example using a specific compound.
In your answer, outline the process used to determine a chemical formula and provide a specific example, detailing the elements involved and their ratios.
Good luck!