Quizzes: Chemical reactions

Simulation
Create an Account
Login
Cell Database
Simulation Worlds
The Leaderboard
Reference
The Guide
Glossary
Quizzes
Teachers' Forum
Essays
Review Sheets
Labs

Webcytology was created for ThinkQuest 1999.

Chemical reactions

A chemical reaction is
	1.	a way of writing how many atoms a molecule contains
	2.	the reaction a person has after exposure to a chemical
	3.	the breaking of bonds and/or the formation of new bonds
	4.	something which does not occur in cells

The molecules which existed before a chemical reaction are called the
	1.	products
	2.	reactants
	3.	pre-reaction compounds
	4.	they do not have a special name

The molecules which existed after a chemical reaction are called the
	1.	products
	2.	reactants
	3.	post-reaction compounds
	4.	they do not have a special name

Which of the following is true about all chemical reactions which occur in a cell?
	1.	atoms are destroyed as a result of the reaction
	2.	atoms are produced as a result of the reaction
	3.	the numbers of each type of atom is equal on both sides of the reaction
	4.	none of the above

ThinkQuest Team #27819 - 27819@for.net
Team: Andrew Kallem, Josh Tauberer
Coaches: Ms. Acerra, Mr. Kwitkin