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THSB Substances, Chemical Reactions, and Conservation of Matter Whenever atoms interact with each other, regardless of how they a…
NGSS Statement from PS1.B MS :
Item Description
SC043005
When baking soda and lemon juice react in a sealed plastic bag, the weight will not change because the number of each kind of atom does not change.
SC102002
The number of each kind of atom stays the same during a chemical reaction. (This item uses circles to represent atoms.)
001002
The mass of a silver coin is greater after it tarnishes because the number of silver atoms stayed the same and some sulfur atoms from the air linked to the silver atoms to form silver sulfide molecules.
002002
During a reaction where a reactant enters the system and no products leave, the mass of the system increases because the system now contains more atoms.
051001
The mass of a glow stick will not change while the chemical reaction is occurring because the number of each type of atom inside the glow stick does not change. Some of the atoms separated from one another and then connected in different ways to form different molecules.