This quiz works best with JavaScript enabled. Home > Science > Chemistry > Chemistry – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Chemistry Quiz 5 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How many atoms are in 0.075 mol of titanium? A) 1.2 X 10-25. B) 2.2 X 1024. C) 6.4 x 102. D) 4.5 x 1022. Show Answer Correct Answer: D) 4.5 x 1022. 2. What are the methods of electron configuration? A) Electron Notation, Orbital diagram, and Half shell method. B) Electron shell, Sub-shell, and Orbital. C) S, p, and d sub-shells. D) None of above. Show Answer Correct Answer: A) Electron Notation, Orbital diagram, and Half shell method. 3. Which of the following best describes liquids? A) Liquid particles are very far apart from each other. B) Liquids are mostly empty space. C) Liquids have strong attractive forces acting between particles. D) Liquids can be easily compressed. Show Answer Correct Answer: C) Liquids have strong attractive forces acting between particles. 4. What would be considered the weakest base? A) 8. B) 14. C) 7.8. D) 11.6. Show Answer Correct Answer: C) 7.8. 5. Which of the following is an example of a heterogeneous mixture? A) Tap water. B) Chunky peanut butter. C) Orange-colored sugar water. D) Gold ring. Show Answer Correct Answer: B) Chunky peanut butter. 6. What kind of bonding unequally shares electrons? A) Polar-covalent bond. B) Covalent bond. C) Ionic bond. D) Hydrogen bond. Show Answer Correct Answer: A) Polar-covalent bond. 7. If an atom has 10 protons, 10 neutrons, and 10 electrons, what is the mass of the atom? A) 10. B) 20. C) 30. D) None of above. Show Answer Correct Answer: B) 20. 8. Which of the following is an example of physical property of matter? A) Acidity. B) Heat of combustion. C) Odor. D) Oxidation. Show Answer Correct Answer: B) Heat of combustion. 9. The tendency of a substance to resist burning A) Composition. B) Nonflammability. C) Thermal conductivity. D) None of above. Show Answer Correct Answer: B) Nonflammability. 10. A stoichiometric computation in which the mass of products is determined from the given mass of reactants A) Atoms to atoms calculation. B) Molecules to molecules calculation. C) Avogadro's # to Avogadro's # calculation. D) Mass to mass calculation. Show Answer Correct Answer: D) Mass to mass calculation. 11. Aspirin is A) Ethyl salicylate. B) Methyl salicylate. C) Sodium salicylate. D) Acetyl salicylic acid. Show Answer Correct Answer: D) Acetyl salicylic acid. 12. A neutral particle found in the nucleus of an atom A) Neutron. B) Proton. C) Electron. D) None of above. Show Answer Correct Answer: A) Neutron. 13. Which element is organic chemistry centered around? A) Boron. B) Sodium. C) Carbon. D) Sulphur. Show Answer Correct Answer: C) Carbon. 14. Being able to hammer metal into a thin sheet is called A) Cation. B) Anion. C) Malleable. D) Ductile. Show Answer Correct Answer: C) Malleable. 15. Bases turn litmus paper A) Red. B) Green. C) Orange. D) Blue. Show Answer Correct Answer: D) Blue. 16. The atoms of the same element which contains the same number of protons but different number of neutrons is known as ..... A) Isotope. B) Isocore. C) Isobar. D) Isotone. Show Answer Correct Answer: A) Isotope. 17. What is the atomic number? A) The number of protons. B) The number of protons and neutrons. C) The number of neutrons. D) The number of protons and electrons. Show Answer Correct Answer: A) The number of protons. 18. Building blocks of lipids A) Monosaccharides. B) Glycerol and fatty acids. C) Neucleotides. D) Amino acids. Show Answer Correct Answer: B) Glycerol and fatty acids. 19. KNO3 $\rightarrow$ KNO2 + O2What coefficients are needed to balance the reaction? A) 2, 2, 1. B) 2, 3, 2. C) 1, 2, 2. D) 1, 3, 1. Show Answer Correct Answer: A) 2, 2, 1. 20. How many valence electrons are present in Carbon? A) 6. B) 4. C) 3. D) 8. Show Answer Correct Answer: B) 4. ← PreviousNext →Related QuizzesScience QuizzesChemistry Quiz 1Chemistry Quiz 2Chemistry Quiz 3Chemistry Quiz 4Chemistry Quiz 6Chemistry Quiz 7Chemistry Quiz 8Chemistry Quiz 9Chemistry Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books