Fall Chemistry  Final Review

Fall Chemistry Final Review

Assessment

Flashcard

Chemistry

9th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What are the correct formulas and coefficients for the products of the following single-replacement reaction? Mg + Al(OH)3 →

Back

2 Al + 3 Mg(OH)2

2.

FLASHCARD QUESTION

Front

Covalent bonds result in the __________ of electrons between two __________.

Back

Sharing, non-metals

3.

FLASHCARD QUESTION

Front

Write 0.000254 in scientific notation.

Back

2.54 x 10⁻⁴

4.

FLASHCARD QUESTION

Front

Which of the following is an example of an alkali metal? Helium, Sodium, Chlorine, Neon

Back

Sodium

5.

FLASHCARD QUESTION

Front

What is one way to speed up a chemical reaction? Increase the temperature, Decrease the concentration of reactants, Decrease the surface area of reactants, Remove the catalyst

Back

Increase the temperature

6.

FLASHCARD QUESTION

Front

What is the definition of a chemical reaction?

Back

A process that leads to the transformation of one set of chemical substances to another.

7.

FLASHCARD QUESTION

Front

What is the pH scale used for?

Back

To measure the acidity or basicity of a solution.

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