
Unit 1: Investigating Chemicals
Quiz by Blaze Blain
Grade 6
Science (2017)
Texas Essential Knowledge and Skills (TEKS)
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20 questions
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- Q1Which of the following is the chemical symbol for chlorine?ClCCaCo30s6.5a
- Q2The chemical symbol for Nitrogen is ____.NaNNiNe30s6.5a
- Q3Which of the following correctly represents an element?OHNaCONaCL30s6.5a
- Q4Which of the following best describes a compound?Found on the periodic table2 or more elements chemically combined2 or more elements in a mixtureMade of 1 element30s6.5a
- Q5Which of the models represents a compound?ACBD30s6.5a
- Q6Which of the models above represents Neon as a gas?ADCB30s6.5a
- Q7Baking a cake is an example of a ___________________ change.physicalchemicalno changesbiological30s6.5c
- Q8Which of the following is an indicator of a chemical change?Production of GasChange in StateStays the sameChange in Size30s6.5c
- Q9If someone combines two chemicals together and it starts bubbling, this is an indicator that a _______________________ has taken place.biological changechemical changeno changephysical change30s6.5c
- Q10Two substances are mixed together. Which of the following does NOT indicate a chemical change has happened?gas is producedprecipitate is formedtemperature changeone liquid dissolves30s6.5c
- Q11Which substance in the equation is represented as an element?COH2H2OC8H1830s6.5a
- Q12The two substance to the right of the equation are classified as -two compoundsone element & one compoundtwo elementstwo mixtures30s6.5a
- Q13Which of the following substances is a compound?HCO3HO2Na30s6.5a
- Q14Compounds and elements are both __________________________________________.pure substancesfound on the periodic tablemade from more than one elementformed through chemical reactions30s6.5a
- Q15The symbols Na and Cl represent __________________ in NaCl.moleculeselementscompoundsmixtures30s6.5a