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) The classification "triatomic molecule" denotes molecules in which three different elements are present.
(2) Common physical properties for a substance include color, melting point, boiling point, flammability, and hardness.
(3) The chemical formulas HN₃ and NH₃ represent two ways for denoting the same compound.

Question

Quizplus · Accepted Answer

Statement 1 is false because a triatomic molecule consists of three atoms, which may or may not be of different elements. Statement 2 is false because flammability is a chemical property, not a physical property. Statement 3 is false because HN₃ (hydrazoic acid) and NH₃ (ammonia) are different compounds.

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