This quiz works best with JavaScript enabled. Home > Science > Chemistry – Quiz 61 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Chemistry Quiz 61 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Ozone is A) Non-magnetic. B) Ferromagnetic. C) Paramagnetic. D) Diamagnetic. Show Answer Correct Answer: D) Diamagnetic. 2. Ionization refers to the process of A) Changing from one period to another. B) Losing or gaining protons. C) Turning lithium into fluorine. D) Losing or gaining electrons. Show Answer Correct Answer: D) Losing or gaining electrons. 3. How do you calculate atomic charge? A) Protons + neutrons. B) Protons-electrons. C) Neutrons + protons. D) None of above. Show Answer Correct Answer: B) Protons-electrons. 4. Iron + oxygen = rust is an example of a ..... A) Physical property/change. B) Chemical property/change. C) Mass. D) Volume. Show Answer Correct Answer: B) Chemical property/change. 5. The most abundant element in the earth's crust is? A) Silicon. B) Oxygen. C) Nitrogen. D) Aluminium. Show Answer Correct Answer: B) Oxygen. 6. When one atom loses an electron and becomes positive and another atom gains an electron and becomes negative, they stick together like magnets. What is this called? A) Ionic bond. B) Covalent bond. C) Molecular bond. D) Atomic bond. Show Answer Correct Answer: A) Ionic bond. 7. What is the atomic number of carbon? A) C. B) 6. C) 12.011. D) 12. Show Answer Correct Answer: B) 6. 8. When is an ionic bond formed? A) When electrons are shared. B) When protons are shared. C) When ions of opposite electrical charges attract each other. D) When a positive hydrogen attracts a negative atom in another molecule. Show Answer Correct Answer: C) When ions of opposite electrical charges attract each other. 9. The modern periodic table is arranged according to A) How the elements react. B) Atomic mass. C) Atomic number. D) Electron configuration. Show Answer Correct Answer: C) Atomic number. 10. Hair, skin, muscle, and fingernails are made out of ..... A) Cellulose. B) Carbohydrates. C) Proteins. D) Lipids. Show Answer Correct Answer: C) Proteins. 11. What state of matter has no definite shape, but has a definite volume? A) Gas. B) Liquid. C) Plasma. D) Solid. Show Answer Correct Answer: B) Liquid. 12. What type of particle is:Br2 A) Atom. B) Molecule. C) Formula Unit. D) Ion. Show Answer Correct Answer: B) Molecule. 13. Which scientist measured the charge of an electron as 1.602 x 10-19 Coulombs? A) Democritus. B) Millikan. C) Rutherford. D) Bohr. Show Answer Correct Answer: B) Millikan. 14. What atom matches this electron configuration? 1s22s22p63s2 A) Neon. B) Magnesium. C) Aluminum. D) Potassium. Show Answer Correct Answer: B) Magnesium. 15. Find the mass in grams of 2.25 x 1024 atoms of calcium (Ca). A) 40.0 grams. B) 255.1 grams. C) 150 grams. D) 9.02 x 1024 grams. Show Answer Correct Answer: C) 150 grams. 16. What is a neutron? A) A neutral particle. B) A positively charged particle. C) A negative;y charged particle. D) None of above. Show Answer Correct Answer: A) A neutral particle. 17. The 4 macromolecules are A) Vitamins, lipids, water, micronutrients. B) Micronutrients, macronutrients, water, vitamins. C) Lipids, Waxes, Vitamin A, Water. D) Carbohydrates, Lipids, Proteins, Nucleic Acids. Show Answer Correct Answer: D) Carbohydrates, Lipids, Proteins, Nucleic Acids. 18. The number of protons or electrons found in the nucleus of an atom A) Isotope. B) Atomic mass. C) Atomic weight. D) Atomic number. Show Answer Correct Answer: D) Atomic number. 19. What is the chemical symbol for Chlorine A) C. B) Cl. C) Ch. D) Ce. Show Answer Correct Answer: B) Cl. 20. When an atom loses an electron, it becomes a(n) ..... ion. A) Positive. B) Negative. C) Neutral. D) Polyatomic. Show Answer Correct Answer: A) Positive. ← PreviousNext →Related QuizzesChemistry Quiz 1Chemistry Quiz 2Chemistry Quiz 3Chemistry Quiz 4Chemistry Quiz 5Chemistry Quiz 6Chemistry Quiz 7Chemistry Quiz 8Chemistry Quiz 9Chemistry Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books