Chemical Formulas And Equations

Test Description: Chemical Formulas and Equations

Instructions: Answer all questions to get your test result.

1) The small number wriiten after a symbol is called a:

2) The substances that exist before the reaction begins are called:

3) The Law of conservation of mass states that:

4) The large number that is written before a symbol or formula is called a:

5) This occurs naturally and cannot be changed:

6) In an endothermic reaction, the product will feel:

7) In an exothermic reaction, the product will feel:

8) 2 or more elements that have been combined (NaCl) is called a:

9) What is written before the arrow in a chemical equation?

10) What is written after the arrow in a chemical equation?


*select an answer for all questions

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