Podcast
Questions and Answers
What is the numerical value of the prefix 'hecto' in SI units?
What is the numerical value of the prefix 'hecto' in SI units?
- 100,000
- 1,000,000
- 10
- 100 (correct)
If the prefix 'micro' is used, what numerical value does it represent?
If the prefix 'micro' is used, what numerical value does it represent?
- 1,000,000
- 0.01
- 0.1
- 0.000001 (correct)
When multiplying or dividing measurements, how many significant figures should the answer have?
When multiplying or dividing measurements, how many significant figures should the answer have?
- More than the measurement with the most significant figures
- Equal to the measurement with the fewest significant figures (correct)
- One more than the measurement with the fewest significant figures
- None of the above
For addition or subtraction, how many decimal places should the result be rounded to?
For addition or subtraction, how many decimal places should the result be rounded to?
What is the numerical value of the prefix 'deci' in the SI unit system?
What is the numerical value of the prefix 'deci' in the SI unit system?
If given 5.6 and 12.447 for multiplication, how many significant figures should the answer have?
If given 5.6 and 12.447 for multiplication, how many significant figures should the answer have?
What is the second most abundant element in Earth's crust?
What is the second most abundant element in Earth's crust?
In rocks, silicon is commonly found combined with which of the following?
In rocks, silicon is commonly found combined with which of the following?
Which element has the highest reactivity in the following list?
Which element has the highest reactivity in the following list?
What type of taste do acids generally have?
What type of taste do acids generally have?
Which of the following statements about strong acids is true?
Which of the following statements about strong acids is true?
What is the order of reactivity for halogens from most reactive to least reactive?
What is the order of reactivity for halogens from most reactive to least reactive?
Which of the following devices is used for measuring characteristics of a liquid like density or specific gravity?
Which of the following devices is used for measuring characteristics of a liquid like density or specific gravity?
Which of the following statements about liquids is true?
Which of the following statements about liquids is true?
What is the compressibility of liquids compared to gases and solids?
What is the compressibility of liquids compared to gases and solids?
What does the depth of flotation of a hydrometer in a liquid indicate?
What does the depth of flotation of a hydrometer in a liquid indicate?
Which statement accurately describes the particles in a liquid?
Which statement accurately describes the particles in a liquid?
In a multi-electron atom, what is the correct order of filling for the orbitals?
In a multi-electron atom, what is the correct order of filling for the orbitals?
Which type of elements is known for having luster and being good conductors of heat and electricity?
Which type of elements is known for having luster and being good conductors of heat and electricity?
Which element is the only nonmetal that is liquid at room temperature?
Which element is the only nonmetal that is liquid at room temperature?
Which nonmetal, when burned, produces sulfur dioxide, a component of acid rain?
Which nonmetal, when burned, produces sulfur dioxide, a component of acid rain?
Which allotrope of phosphorus ignites spontaneously in air and requires underwater storage?
Which allotrope of phosphorus ignites spontaneously in air and requires underwater storage?
Which category of elements exhibits intermediate properties, showing characteristics of both metals and nonmetals?
Which category of elements exhibits intermediate properties, showing characteristics of both metals and nonmetals?
Which element is used in compound H2S, smelling like rotting eggs when compared to water?
Which element is used in compound H2S, smelling like rotting eggs when compared to water?
