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32 questions
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- Q1What is the law of conservation of matter?a change in the way a substance looksmatter can't be created or destroyed, but it can change formsmatter can be destroyedlaw that says you matter45s
- Q2What is a chemical change?the thing you end with in a chemical reactionthe thing you start with in a chemical reactiona change that makes a new substance with different properties from the originalchange in the look of a substance45s
- Q3What is a reactant?the things you start with in a chemical reactionthe things you end with in a chemical reactiona change in the color of a substancesomething that makes someone mad45s
- Q4What side is the reactant on in a chemical equation?top of the arrowbottom of the arrowright of the arrowleft of the arrow45s
- Q5What is the product in a chemical reaction?something you buy at the storeThe things you end with in a chemical reactiona change that makes new a substance with different propertiescoconut oil freezes in the freezer45s
- Q6What side of the chemical equation is the product on?rightbottomlefttop30s
- Q7What is a physical change?things that you start with in a chemical reactionchange that makes a new substance with different propertiesthings that you end with in a chemical reactiona change that does not make a new substance but just changes the look45s
- Q8What is a chemical equation?matter cannot be created or destroyeduses formulas and symbols to show what happens in a chemical reactiona change in a substance that makes a whole new substancethe little number after the element symbol45s
- Q9What is a coefficient?The big number in front of the formula that tells how many molecules of a substance are presentthe small number of the bottom left that tells the number of atoms presentuses elements symbols to tell you which elements and how many atoms of eachthe things you start with in a chemical reaction45s
- Q10What is a subscript?what you start with in a chemical reactionThe little number after an element symbol that tells how many atoms of the element there arethe big number in front of a formula that tells how many molecules of a substance there arechange to a substance that makes a whole new substance with different properties45s
- Q11What is a chemical formula?uses element symbols to tell you which elements and how many of each are in the substancethe little number after the element symbolwhat you start with in a chemical reactiona change that does not make a new substance45s
- Q12What is this an example of: 4 Hechemical reactioncoefficientproductsubscript30s
- Q13What is this an example of: water freezing in the freezerproductphysical changechemical changechemical reaction30s
- Q14What is this an example of:wood logs burning in a firechemical changechemical reactionphysical changeproduct30s
- Q15What is the 2 in chemical formula an example of?chemical reactionsubscriptproductcoefficient30s
