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Atomic Math Practice

Practice with Counting Atoms and Molecules

QuestionAnswer
Where do you find the coefficient- at beginning of molecule or below the element on right? Beginning of molecule
Where do you find the subscript-beginning of the molecule or below the element on right? Below the element on right
How many atoms of Hydrogen are in water? 2
How many atoms of Oxygen in water? 1
How do you determine the number of atoms of element if it is has a subscript and coefficient- multiply or add coefficient with subscript? multiply coefficient with the subscript
How many elements are in 3HClO? 3
How many atoms of Oxygen are in 3HClO? 3
How many total atoms are in 3HClO? 9
How many molecules are in 3HClO 3
What are reactants substances before the reaction begins
What are products? substances formed as result of a reaction
What does the arrow mean in a chemical equation? "produces"
Created by: mharlan
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