Mixtures, Elements, Compounds
The simplest forms of matter
What are elements?
Tearing paper is this type of change
What is physical?
A set of data close to the true or accepted value is
What is accurate?
The formula for density.
What is mass/volume
A patient weighs 64 kg. How many mg of medicine do they need to take if a doctor prescribes 12 mg/kg?
What is 768 mg
Two or more elements chemically bonded together.
What are compounds?
Melting ice is this type of change
What is physical
A set of data that has very little variation from one point to the next is.
What is precise?
The type of bone that has higher density
This tall lab tool is used to measure volumes of liquids.
What is graduated cylinder
Types of matter that contain two or more elements not chemically bonded
A nail rusting is this type of change
What is chemical?
What is percent error?
The name for the part of the bone with lower density
What is spongy?
A student is using a mortar and pestle to do this to a medicine tablet in the lab.
What is crush it to a powder?
A solution is also known as this type of mixture
What is homogeneous?
Copper chloride dissolving in water to make a solution.
What is physical?
You can calculate this value to deduce precision.
What is standard deviation or percent relative standard deviation
The name for the condition resulting from loss of minerals from bones over time
What is osteoporosis?
What is 20.8 mL?
When two elements combine and their properties change, a ___________ has been made.
What is a compound?
The surface of an apple turning brown when it is cut.
What is chemical?
The mean of a set of temperatures taken from a thermometer is 99.5. If the person's temperature is known to be 98.5. What is the percent error?
What is 1 %
A bone has a mass of 153 g and a volume of 85 mL. Determine the density. Include units on your answer.
What is 1.8 g/mL
What is 3.5%?