A polyatomic ion is seen as a molecule that has been ionized by gaining or losing electrons. In a polyatomic ion, the group of covalently bonded atoms carries a net charge because the total number of electrons in the molecule is...
Questions: 10 | Attempts: 48853 | Last updated: Aug 26, 2021
What is the name of this chemical? NH4+
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: 40006 | Last updated: Jun 23, 2020
All matter consists of particles called________________.
Are you a Science genius? Ever wondered how well you perform in a Chemistry 101 quiz? Science is a wonderful subject to learn about, whether it’s for career purposes or you're merely curious about the ins and outs...
Questions: 13 | Attempts: 31523 | Last updated: Aug 27, 2021
The substances that enter a chemical reaction are called __________.