Podcast
Play an AI-generated podcast conversation about this lesson
Download our mobile app to listen on the go
Get App
Questions and Answers
Which one of these is true about compounds?
Which one of these is true about compounds?
- They have the same properties as their constituent elements
- They can be broken down into other substances by chemical reactions
- They are made up of two or more elements in a fixed ratio (correct)
- They are only found in living organisms
Which one of these elements is required in very minute quantities?
Which one of these elements is required in very minute quantities?
- Carbon
- Oxygen
- Fluorine (correct)
- Calcium
Which element makes up the largest percentage of the human body by weight?
Which element makes up the largest percentage of the human body by weight?
- Carbon
- Hydrogen
- Oxygen (correct)
- Nitrogen
Which one of these elements is not mentioned as a trace element in the human body?
Which one of these elements is not mentioned as a trace element in the human body?
Signup and view all the answers
Which one of these is true about species and toxic elements?
Which one of these is true about species and toxic elements?
Signup and view all the answers
Flashcards are hidden until you start studying
