24 Questions
What is the numerical value of the prefix 'hecto' in SI units?
100
If the prefix 'micro' is used, what numerical value does it represent?
0.000001
When multiplying or dividing measurements, how many significant figures should the answer have?
Equal to the measurement with the fewest significant figures
For addition or subtraction, how many decimal places should the result be rounded to?
The value with the fewest decimal places
What is the numerical value of the prefix 'deci' in the SI unit system?
0.1
If given 5.6 and 12.447 for multiplication, how many significant figures should the answer have?
3
What is the second most abundant element in Earth's crust?
Silicon
In rocks, silicon is commonly found combined with which of the following?
Oxygen
Which element has the highest reactivity in the following list?
Potassium (K)
What type of taste do acids generally have?
Sour
Which of the following statements about strong acids is true?
They are corrosive.
What is the order of reactivity for halogens from most reactive to least reactive?
$I_2 Cl_2 Br_2 F_2$
Which of the following devices is used for measuring characteristics of a liquid like density or specific gravity?
Hydrometer
Which of the following statements about liquids is true?
Liquids assume the shape of their container.
What is the compressibility of liquids compared to gases and solids?
Liquids are less compressible than gases.
What does the depth of flotation of a hydrometer in a liquid indicate?
Density of the liquid
Which statement accurately describes the particles in a liquid?
Particles can move freely throughout the volume of the liquid.
In a multi-electron atom, what is the correct order of filling for the orbitals?
$1s < 2s < 2p < 3s < 3p < 4s$
Which type of elements is known for having luster and being good conductors of heat and electricity?
Metals
Which element is the only nonmetal that is liquid at room temperature?
Bromine
Which nonmetal, when burned, produces sulfur dioxide, a component of acid rain?
Sulfur
Which allotrope of phosphorus ignites spontaneously in air and requires underwater storage?
White phosphorus
Which category of elements exhibits intermediate properties, showing characteristics of both metals and nonmetals?
Metalloids
Which element is used in compound H2S, smelling like rotting eggs when compared to water?
Sulfur
Learn about the general characteristics of metals and nonmetals. Explore properties such as luster, conductivity, state at room temperature, malleability, and ductility. Understand the distinctions between metals and nonmetals based on their properties.
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