Chemical Reactions

Chemical Reactions

Assessment

Flashcard

Science

6th - 8th Grade

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the Law of Conservation of Mass?

Back

Mass is never created or destroyed in a chemical reaction.

2.

FLASHCARD QUESTION

Front

What are the reactants in the equation 2H₂ + O₂ → 2H₂O?

Back

2H₂ + O₂

3.

FLASHCARD QUESTION

Front

How many elements are in the chemical formula NaHCO₃?

Back

4

4.

FLASHCARD QUESTION

Front

What is a subscript in a chemical formula?

Back

A small number below an element symbol that tells the number of atoms of that element.

5.

FLASHCARD QUESTION

Front

What are the starting substances in a chemical equation called?

Back

Reactants

6.

FLASHCARD QUESTION

Front

What is a product in a chemical reaction?

Back

The substances formed as a result of a chemical reaction.

7.

FLASHCARD QUESTION

Front

What is a chemical equation?

Back

A representation of a chemical reaction using symbols and formulas.

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