Pm3110 Quiz 1
Review for Semester 1 Physical Science
_____ 1. What is a system of knowledge and the methods used to find that knowledge?
_____ 2. How are science and technology related?
_____ 3. In which step of the scientific method is information obtained through the senses?
_____ 4. What happens when data in an investigation do not support the original hypothesis?
_____ 5. What do we call the best possible explanation that scientists can come up with for an observation or event.
_____ 6. Why are scientific laws important? .
_____ 7. What is the most important safety rule?
_____ 8. How is 0.00069 written in scientific notation?
_____ 9.Timers at a swim meet used four different clocks to time an event. Which recorded time is the …show more content…
The atomic number of Lithium is 3. If an isotope of lithium has a mass number of 7, how many neutrons does it have?
_____ 8. Which statement is true about Oxygen-17 and Oxygen-18?
_____ 9. The atomic number of carbon is 6. If an isotope of carbon has a mass number of 13, how many protons does it have?
_____ 10. In the history of the development of the atomic theory, new experimental evidence has tended to
_____11. A member of the boron family has three valence electrons, while a member of the nitrogen family has
_____ 12. Which of the following Group 1A elements is the most reactive?
_____ 13. At room temperature, none of the metals are
_____ 14. Group 7A of the periodic table contains the
_____ 15. Mendeleev arranged the known chemical elements in a table according to increasing
_____ 16. The atomic mass of an element is
_____ 17. In the periodic table, a set of properties repeat from
_____ 18. Which halogen is the most reactive?
_____ 19. Sodium (Na), Magnesium (Mg) and Chlorine (Cl) are all in the same period so they all have
_____ 20. Look at the figure of a blank periodic table. Identify the segments labeled A and
_____ 1. What is a system of knowledge and the methods used to find that knowledge?
_____ 2. How are science and technology related?
_____ 3. In which step of the scientific method is information obtained through the senses?
_____ 4. What happens when data in an investigation do not support the original hypothesis?
_____ 5. What do we call the best possible explanation that scientists can come up with for an observation or event.
_____ 6. Why are scientific laws important? .
_____ 7. What is the most important safety rule?
_____ 8. How is 0.00069 written in scientific notation?
_____ 9.Timers at a swim meet used four different clocks to time an event. Which recorded time is the …show more content…
The atomic number of Lithium is 3. If an isotope of lithium has a mass number of 7, how many neutrons does it have?
_____ 8. Which statement is true about Oxygen-17 and Oxygen-18?
_____ 9. The atomic number of carbon is 6. If an isotope of carbon has a mass number of 13, how many protons does it have?
_____ 10. In the history of the development of the atomic theory, new experimental evidence has tended to
_____11. A member of the boron family has three valence electrons, while a member of the nitrogen family has
_____ 12. Which of the following Group 1A elements is the most reactive?
_____ 13. At room temperature, none of the metals are
_____ 14. Group 7A of the periodic table contains the
_____ 15. Mendeleev arranged the known chemical elements in a table according to increasing
_____ 16. The atomic mass of an element is
_____ 17. In the periodic table, a set of properties repeat from
_____ 18. Which halogen is the most reactive?
_____ 19. Sodium (Na), Magnesium (Mg) and Chlorine (Cl) are all in the same period so they all have
_____ 20. Look at the figure of a blank periodic table. Identify the segments labeled A and