What is it?
Anything that has mass and occupies space
What is matter?
Solid, liquid, and gas
What are the states of matter?
Another name for this is "chemical reaction"
What is a chemical change?
A number with a unit
What is a measurement?
The SI base unit of length
What is a meter?
A testable explanation for an observation
What is a hypothesis?
A property that allows one substance to react or combine with another substance
What is a chemical property?
What kind of change can be reversible or irreversible?
What is a physical change?
How close a measurement is to the expected value of that measurement
What is accuracy?
The SI unit for temperature
What is Kelvin?
A homogeneous mixture with a solute dissolved in a solvent
What is a solution?
What is an extensive property?
This represents a compound in a chemical equation
What is a chemical formula?
The term to describe numbers that don't count when you are doing calculations with significant figures
What is unlimited?
The prefix that has a factor of 10-9 in the metric system
What is nano?
Matter that has uniform and definite composition
Density, malleability, and boiling point are examples of this kind of property.
What is an intensive property?
The substances you start with in a chemical reaction
What are the reactants?
A measure of the precision of a group of measurements.
What is standard deviation?
The number of micrometers in 1 kilometer.
What is 1 billion? (9 zeroes)
Water, salt and baking soda are examples of this.
What is a compound?
Elements in these on the periodic table have similar properties.
What is a family or group?
The four clues that a chemical change has occurred.
What are color change, gas production, precipitate formation, and transfer of energy?
absolute error/expected value x 100%
What is the formula for percent error ?
The density of a 5 g sample of water
What is 1 g/mL?