Describe each of the following as a physical or chemical property:
a. Neon is a colorless gas at room temperature.

검증된 단계별 안내

Step 1: Understand the difference between physical and chemical properties. A physical property is a characteristic of a substance that can be observed or measured without changing its chemical identity, such as color, state of matter, or boiling point. A chemical property, on the other hand, describes a substance's ability to undergo a chemical change or reaction, such as flammability or reactivity.

Step 2: Analyze the given statement: 'Neon is a colorless gas at room temperature.' This describes the appearance (colorless) and state of matter (gas) of neon under standard conditions.

Step 3: Determine whether the property involves a change in the chemical identity of neon. Since the statement only describes observable characteristics (color and state) without any mention of a chemical reaction or change, it does not involve a chemical transformation.

Step 4: Conclude that the property described is a physical property because it pertains to the observable characteristics of neon without altering its chemical composition.

Step 5: Summarize the reasoning: The fact that neon is a colorless gas at room temperature is a physical property because it describes its physical state and appearance without involving a chemical change.

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이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.

영상 길이:

58s

주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Physical Property

A physical property is a characteristic of a substance that can be observed or measured without changing its chemical identity. Examples include color, odor, boiling point, and state of matter. In the case of neon being a colorless gas at room temperature, this observation does not alter the chemical structure of neon itself.

Chemical Property

A chemical property describes a substance's ability to undergo a specific chemical change or reaction. This includes reactivity with other substances, flammability, and acidity. Unlike physical properties, chemical properties can only be observed during a chemical reaction, which is not applicable to the description of neon as a gas.

State of Matter

The state of matter refers to the distinct forms that different phases of matter take on, primarily solid, liquid, gas, and plasma. Neon, being a gas at room temperature, indicates its state of matter, which is determined by temperature and pressure conditions. This property is crucial for understanding the behavior of gases in various environments.

Describe each of the following as a physical or chemical property: a. Neon is a colorless gas at room temperature.