Mixtures, Elements, Compounds
Chemical vs. Physical changes
Accuracy & Precision
Density
Solutions, Dilutions, & Misc.
100

The simplest forms of matter

What are elements?

100

Tearing paper is this type of change

What is physical?

100

A set of data close to the true or accepted value is

What is accurate?

100

The formula for density.

What is mass/volume

100

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

200

Two or more elements chemically bonded together.

What are compounds?

200

Melting ice is this type of change

What is physical

200

A set of data that has very little variation from one point to the next is.

What is precise?

200

The type of bone that has higher density

What is compact bone
200

This tall lab tool is used to measure volumes of liquids.

What is graduated cylinder

300

Types of matter that contain two or more elements not chemically bonded

What are mixtures?
300

A nail rusting is this type of change

What is chemical?

300
You can calculate this quantity to assess accuracy.

What is percent error?

300

The name for the part of the bone with lower density

What is spongy?

300

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?

400

A solution is also known as this type of mixture

What is homogeneous?

400

Copper chloride dissolving in water to make a solution.

What is physical?

400

You can calculate this value to deduce precision.

What is standard deviation or percent relative standard deviation

400

The name for the condition resulting from loss of minerals from bones over time

What is osteoporosis?

400
The V1 needed to make 125 mL of a 5 mg/mL solution of chromazil from a 30 mg/mL stock solution.

What is 20.8 mL?

500

When two elements combine and their properties change, a ___________ has been made.

What is a compound?

500

The surface of an apple turning brown when it is cut.

What is chemical?

500

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 %

500

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

500
The percent difference between a tested solution with conductivity of 4355 mg/mL and the reference standard with conductivity of 4512 mg/mL.

What is 3.5%?