Skills to Use
The number 43.15 roudned to the one decimal place
What is 43.2?
The SI units used to measure mass in chemistry.
What is grams?
A quantitative property of pennies
What is mass, weight, temperature, or volume?
(properties with numbers)
A specific, testable prediction of the results of an experiment
What is a hypothesis?
Characteristics that involve how the substance reacts
What is a chemical property?
The number 6.47 x 104 rounded to 2 digits.
What is 6.5 x 104?
The two SI units used for volume in Chemistry
What are liters (or milliters) and cubic centimeters ?
The items in this list that are physical properties of pennies
A. density B. color C. melting point
D. reaction with nitric acid E. sound when dropped
F. hardness G. resistance to corrosion
What is density, color, melting point, sound when dropped, or hardness?
An accepted explanation of an observed phenomenon with much supporting evidence
What is a theory?
The equation for density
What is mass divided by volume?
The best measuring device for finding the volume of 52 mL of liquid.
What is a graduated cylinder?
The prefix for 1/1000
What is milli?
Two physical properties that differ between copper and zinc
What are color, melting point, density?
(Need 2)
Something used to show what is happening at the atomic scale to explain what happens in the bulk scale
What is a micromodel?
The density is an example of this category of property
What is physical?
Two ways to find the volume of a substance.
What is use a graduated cylinder to measure a liquid and use a ruler and multiply l x w x h to measure a solid block?
(Or use water displacement with a graduated cylinder for an odd shaped solid.)
The freezing point of water in SI units
What is 0 Celsius?
The metal that makes up the bulk of pennies since 1982
What is zinc?
A way to describe a measurement that is exactly correct
What is accurate?
The grouping that has the most precision:
A. 7.9 g/mL, 7.91 g/mL, 8 mL
B. 6.33 g/mL, 4.2 g/mL, 10 g/mL
C. 5.44 g/mL, 5.40 g/mL, 5.422 g/mL
What is group C?
The way to find the density of a substance.
What is use a scale to find the mass and a graduated cylinder or a ruler to find the volume. Then divide mass by volume?
The two units used for density in chemistry
What are grams/milliliter
and grams/cubic centimeter?
The more dense of the metals used to make pennies
What is copper?
A way to describe a measurement that is taken to the smallest possible unit
What is precise?
The density of a 50. mL of solution that has a mass of 200. g.
What is 4.0 g/mL