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Questions and Answers
What is the term for a simple substance that cannot be broken down into smaller parts or changed into another substance?
What is the term for a simple substance that cannot be broken down into smaller parts or changed into another substance?
- Element (correct)
- Solution
- Mixture
- Compound
When is a chemical equation considered balanced?
When is a chemical equation considered balanced?
- When the atomic mass of the products is greater than the atomic mass of the reactants
- When the number of atoms in the reactants equals the number of atoms in the products for each element (correct)
- When the products have more atoms than the reactants
- When the number of reactants is greater than the number of products
What happens to the mass of an object if it is torn apart or burned?
What happens to the mass of an object if it is torn apart or burned?
- The mass decreases both when torn apart and burned
- The mass remains unchanged both when torn apart and burned (correct)
- The mass increases when torn apart and decreases when burned
- The mass decreases when torn apart but remains the same when burned
What are all matter made of according to the text?
What are all matter made of according to the text?
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Where is the atomic number located in the element square?
Where is the atomic number located in the element square?
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How do you find the atomic mass of an atom?
How do you find the atomic mass of an atom?
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What does the Law of Conservation of Matter/Mass state?
What does the Law of Conservation of Matter/Mass state?
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What does it mean for a chemical equation to be balanced?
What does it mean for a chemical equation to be balanced?
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Does changing the shape of an object change its mass? Why or why not?
Does changing the shape of an object change its mass? Why or why not?
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Which subatomic particle lets us know which atom a Bohr model represents?
Which subatomic particle lets us know which atom a Bohr model represents?
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What are rows on the periodic table and which direction do they go?
What are rows on the periodic table and which direction do they go?
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What is an atom?
What is an atom?
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