Chemical Rxns & Balancing Equations_PhySci

Chemical Rxns & Balancing Equations_PhySci

Assessment

Flashcard

Chemistry

6th Grade

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What are the substances at the beginning of a chemical reaction called?

Back

Reactants

2.

FLASHCARD QUESTION

Front

True or False: When balancing chemical equations, the subscripts can be changed.

Back

False

3.

FLASHCARD QUESTION

Front

How many molecules are present in the chemical formula 4 C6H12O6?

Back

4

4.

FLASHCARD QUESTION

Front

What do subscripts tell us about a chemical formula?

Back

They tell us how many individual atoms are present of the elements they come after.

5.

FLASHCARD QUESTION

Front

How many Nitrogen atoms are present in the molecule 3 Na3S4N4?

Back

12

6.

FLASHCARD QUESTION

Front

What is a chemical reaction?

Back

A process where reactants transform into products.

7.

FLASHCARD QUESTION

Front

What is the law of conservation of mass?

Back

In a chemical reaction, mass is neither created nor destroyed.

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