Elements, Compounds, and Mixtures (Junior Cert Science): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What is an element?
What is an element?
Pure substance, only one type of atom
Which element symbol comes from the Latin name 'ferrum'?
Which element symbol comes from the Latin name 'ferrum'?
Fe (iron)
What does the chemical formula tell us about water?
What does the chemical formula tell us about water?
2 hydrogen atoms + 1 oxygen atom
How do compound properties compare to their constituent elements?
How do compound properties compare to their constituent elements?
Completely different properties
What is the key feature of mixtures?
What is the key feature of mixtures?
Substances not chemically combined
Which of these is an example of a mixture?
Which of these is an example of a mixture?
Air (nitrogen, oxygen, carbon dioxide)
How easy is it to separate mixtures compared to compounds?
How easy is it to separate mixtures compared to compounds?
Mixtures are usually easy to separate
What happens when iron and sulfur mixture is heated?
What happens when iron and sulfur mixture is heated?
Forms black iron sulfide () compound
What does the symbol Na represent?
What does the symbol Na represent?
Sodium (from Latin 'natrium')
In particle diagrams, what do different colours represent in compounds?
In particle diagrams, what do different colours represent in compounds?
Different types of atoms bonded together