This quiz is for those of you who would like a 2nd chance at improving your first chemical formula quiz. Remember, whatever score you receive here will override your first quiz score.
Questions: 20 | Attempts: 452 | Last updated: Jan 17, 2013
This quiz can be used as a pre-test for a unit on atoms, molecules, elements, and compounds. The quiz will, along with a post-test, serve as a method to determine how much the students have learned after the science unit has been...
Questions: 10 | Attempts: 37939 | Last updated: Jun 23, 2020
All matter consists of particles called________________.
We came to know the difference between a mixture, compound, and an element in chemistry class. A compound is a substance made up of two or more elements, whereas an element is a substance that cannot be split into simpler...
Questions: 33 | Attempts: 22605 | Last updated: Feb 17, 2021
An alloy is: