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Questions and Answers
What principle states that whatever you start with in a chemical reaction or change of state, you must end with?
What principle states that whatever you start with in a chemical reaction or change of state, you must end with?
- Law of Constant Mass
- Law of Variable Composition
- Law of Conservation of Energy
- Law of Conservation of Matter/Mass (correct)
What do rows represent in the periodic table and in which direction do they go?
What do rows represent in the periodic table and in which direction do they go?
- They represent groups and go vertically
- They represent periods and go vertically (correct)
- They represent periods and go horizontally
- They represent groups and go horizontally
What subatomic particle lets us know which atom a Bohr model represents?
What subatomic particle lets us know which atom a Bohr model represents?
- Electron
- Proton (correct)
- Neutron
- Nucleus
What happens to the mass of an object if it is burned?
What happens to the mass of an object if it is burned?
What do groups represent in the periodic table and in which direction do they go?
What do groups represent in the periodic table and in which direction do they go?
What is the charge of an electron and where is it located in an atom?
What is the charge of an electron and where is it located in an atom?
What principle states that whatever you start with in a chemical reaction or change of state, you must end with?
What principle states that whatever you start with in a chemical reaction or change of state, you must end with?
What is the significance of a chemical equation being balanced?
What is the significance of a chemical equation being balanced?
Does changing the shape of an object affect its mass?
Does changing the shape of an object affect its mass?
What are subatomic particles that make up an atom called?
What are subatomic particles that make up an atom called?
How do you know when a new element starts on the periodic table?
How do you know when a new element starts on the periodic table?
What do groups represent on the periodic table and in which direction do they go?
What do groups represent on the periodic table and in which direction do they go?
What are reactants in a chemical equation?
What are reactants in a chemical equation?
What happens to the mass of an object if it is torn apart?
What happens to the mass of an object if it is torn apart?
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