Lesson 1.4: TEKS 8.6B, 8.6E Conservation of Mass in Chemical Reactions

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The student is expected to use the periodic table to identify the atoms involved in chemical reactions;

Last updated 7:50 PM on 7/13/26
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6 Terms

1
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<p>chemical reaction</p>

chemical reaction

a process in which atoms of one or more substances rearrange to form one or more new substances.

2
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<p>atom</p>

atom

a small particle that is the building block of matter.

3
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<p>chemical equation</p>

chemical equation

a description of a reaction using element symbols and chemical formulas.

4
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<p>law of conservation of mass</p>

law of conservation of mass

law that states that the total mass of the reactants before a chemical reaction is the same as the total mass of the products after the chemical reaction.

5
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<p>mass</p>

mass

the amount of matter in an object.

6
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<p>periodic table</p>

periodic table

a chart of the elements arranged into rows and columns according to their physical and chemical properties.