Chemistry Midterm Review

Chemistry Midterm Review

Assessment

Flashcard

Chemistry

10th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

Elements in Group 17 of the periodic table are known as:

Back

Halogens

2.

FLASHCARD QUESTION

Front

Which of the following is a pressure value?

Back

258 mmHg

3.

FLASHCARD QUESTION

Front

Which of the following best describes an exothermic reaction?

Back

It releases heat to the surroundings.

4.

FLASHCARD QUESTION

Front

In the periodic table, elements in the same vertical column are called:

Back

Groups

5.

FLASHCARD QUESTION

Front

How many valence electrons does nitrogen (N) have?

Back

5

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 law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

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