Use the Following to Answer the Questions Below

question 8

Multiple Choice

Use the following to answer the questions below:
In each of the following multiple-choice questions, characterize EACH of the three given statements as being TRUE or FALSE and then indicate the collective true-false status of the statements using the choices:
-Statements: (1) When the formula for a compound contains parentheses it is an indication that the compound is unstable and subject to decomposition.
(2) The fact that an unknown substance reacts with chlorine is insufficient basis for classifying the unknown as a compound.
(3) All chemical symbols use a two-letter notation to represent the name of an element.

• A) All three statements are true.
• B) Two of the three statements are true.
• C) Only one of the statements is true.
• D) None of the statements is true.

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Definitions:

Nitrogen Oxides

Refers to a group of gases composed of nitrogen and oxygen, such as NO and NO2, which are significant environmental pollutants.

Combustion

A chemical reaction that occurs when a substance reacts with oxygen to release energy in the form of heat and light, often resulting in fire.

Endangered Species

Species that faces extinction in all or a part of its range.

Threatened Species

Species likely to become endangered in the near future.