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Questions and Answers
Which of the following is NOT a characteristic of inorganic compounds?
Which of the following is NOT a characteristic of inorganic compounds?
- They make up the earth's crust
- They can be found as pure elements
- They change when reacting with other chemicals (correct)
- They cannot be used to produce energy
In chemistry, what is defined as the smallest part of an element that can enter into a chemical reaction?
In chemistry, what is defined as the smallest part of an element that can enter into a chemical reaction?
- Molecule
- Proton
- Atom (correct)
- Neutron
What determines an atom's chemical and physical properties?
What determines an atom's chemical and physical properties?
- Number of neutrons in the nucleus
- Number of electrons in the electron cloud
- Arrangement of electrons in the electron cloud (correct)
- Arrangement of protons in the nucleus
How are elements identified?
How are elements identified?
What type of ions does an acid release when dissolved in water?
What type of ions does an acid release when dissolved in water?
What is the key element in organic molecules that forms the basis of their characteristics?
What is the key element in organic molecules that forms the basis of their characteristics?
Which type of molecules contain only carbon and hydrogen atoms?
Which type of molecules contain only carbon and hydrogen atoms?
What are simple carbohydrates composed of?
What are simple carbohydrates composed of?
Which of the following best describes the difference in lifespan between plants and animals?
Which of the following best describes the difference in lifespan between plants and animals?
In which of the following processes do plants primarily engage for their respiration?
In which of the following processes do plants primarily engage for their respiration?
What is a key characteristic that distinguishes organic compounds from inorganic compounds?
What is a key characteristic that distinguishes organic compounds from inorganic compounds?
What differentiates animal respiration from plant respiration?
What differentiates animal respiration from plant respiration?
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