Chemistry Pre-Assessment 9.24

What is the primary focus of high school chemistry?

• The study of living organisms

• The study of matter and its interactions

• The study of astronomical phenomena

• The study of historical events

Which model is used to visualize the smallest building block of matter?

• The atomic model

• The molecular model

• The basic particle model

• The quantum model

What skill do you need to apply when considering conservation of matter in chemical reactions?

• Historical analysis

• Mathematical reasoning

• Literary analysis

• Artistic interpretation

Which law is used to predict and explain qualitative comparisons of bond energies?

• Newton's law

• Coulomb’s law

• Boyle’s law

• Avogadro’s law

What serves as a powerful model for predicting properties of elements and compounds?

• The periodic table

• The atomic number

• The molecular weight

• The chemical formula

Which reaction models are used to explain reaction patterns observed in many common phenomena in the natural world?

• Bronsted-Lowry acidbase reaction model and oxidation-reduction reaction model

• Bronsted-Lowry acidbase reaction model and substitution reaction model

• Oxidation-reduction reaction model and substitution reaction model

• Substitution reaction model and elimination reaction model

What is the central example used to explain the relative solubilities of different ionic compounds?

• Water's role as a common solvent

• The role of acids in reactions

• The role of bases in reactions

• The role of gases in reactions

What model is used to predict the relative properties of main group elements?

• The periodic table

• The molecular structure

• The atomic number

• The chemical formula

Which of the following is NOT a type of simple reaction?

• Synthesis (combination)

• Decomposition

• Single displacement

• Polymerization

What can be used to represent predictions of reactants and products?

• Lewis dot structures

• Periodic table

• Atomic number

• Molar mass