Welcome to the Electronic Learning Environment for Physical Science grade 9 and basic chemistry. This exercise has been designed to test your knowledge of writing chemical formulas and chemical names. I...
Questions: 45 | Attempts: 83 | Last updated: Dec 6, 2017
Given the chemical formula, NaF....what is the correct chemical name?
QUIZ FOR (( calculations with chemical formulas and equations ))
Faculty of Engineering, Zagazig University
Questions: 15 | Attempts: 224 | Last updated: Mar 7, 2013
Percentage of Magnesium [Mg] in Magnesium sulfate [MgSO4]
Given Atomic Weights:
Mg = 24 . S = 32 . O = 16
Matter: Physical and Chemical Changes
Questions: 15 | Attempts: 412 | Last updated: Jul 30, 2011
Folding, cutting or painting paper is an example of ...