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Atomic Math Practice
Practice with Counting Atoms and Molecules
Question | Answer |
---|---|
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" |