SC.8.P.8.5-Recognize that there are a finite number of elements and that their atoms combine in a multitude of ways to produce compounds that make up all of the living and nonliving things that we encounter.
Quiz by Romano, Ellen
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10 questions
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- Q1What is the primary reason that different compounds can be formed from a finite number of elements?Elements can change their identitiesEach element can exist in multiple formsCompounds can break down into elements spontaneouslyAtoms can bond in various ways to create unique combinations30s
- Q2Which of the following statements best describes a compound?An element that can exist in multiple statesA substance formed when two or more different elements chemically bond togetherA mixture of elements that are not chemically bondedA single type of atom30s
- Q3Why is it important to understand how atoms combine to form compounds?It explains why elements cannot exist independentlyIt shows how temperature affects element stabilityIt defines how elements interact with lightIt helps us comprehend the composition and properties of all substances30s
- Q4What represents the smallest unit of a compound that retains its chemical properties?An atomA solutionA moleculeA mixture30s
- Q5What does the Law of Definite Proportions state about compounds?All compounds have the same mass regardless of their elementsA compound always contains the same elements in the same proportions by massCompounds can have varying numbers of the same elementsThe properties of a compound change based on temperature30s
- Q6What is the process called when atoms combine to form compounds?Nuclear fusionChemical bondingPhysical changePhase transition30s
- Q7Which of the following best describes an element?A pure substance consisting of only one type of atomA combination of different atomsA mixture of compoundsA substance that can be broken down into simpler substances30s
- Q8What occurs when two or more elements react chemically to form a new substance?A physical changeAn atomic explosionA chemical reactionA nuclear reaction30s
- Q9What is the main difference between organic and inorganic compounds?Inorganic compounds are always solids, while organic compounds can be liquidsInorganic compounds have simpler structures than organic compoundsOrganic compounds contain carbon, while inorganic compounds do not typically contain carbonOrganic compounds are derived from minerals, while inorganic compounds come from living organisms30s
- Q10Which of the following is a characteristic property of most compounds?They have the same properties as the elements they are made fromThey can be easily separated into individual elementsThey have different physical and chemical properties than their constituent elementsThey only exist in solid form30s