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Chem math
Scientific method
Matter
Vocabulary
HodgePodge
100
number of sig figs in 305,000
What is 3?
100
accepted explanation of why something occurs
What is scientific theory?
100
process of separating according to solubility
What is chromatography?
100
has definite shape and volume
What is a solid?
100
Study of matter and its changes
What is chemistry?
200
1.0 x 10^4 X 1.0 x 10^5
What is 1.0 x 10^9?
200
a concise statement summarizing the results of many observations and experiments
What is scientific law?
200
a substance composed of 1 kind of atom
What is an element?
200
quality of a substance that can be observed or measured with out changing the substance's composition
What is physical property?
200
Physical, inorganic, organic, biochemistry, analytical
What are branches of chemistry?
300
2 x 10^3 ---------- 2 x 10^1
What is 1 x 10^2?
300
a guess in scientific method
What is an hypothesis?
300
a substance composed of 2 or more kinds of atoms
What is a compound?
300
matter with a uniform and definite composition
What is a substance?
300
How can I use this?
What is a question a chemist would ask?
400
821 ml = ? L
What is .821 L?
400
process to test an hypothesis
What is an experiment?
400
a special name for a homogeneous mixture
What is solution?
400
matter with fixed volume and takes the shape of the container
What is a liquid?
400
solid, liquid, gas, vapor
What are phases of matter?
500
l experimental value - accepted value l -------------------------------------------- X 100 accepted value
What is percent error formula?
500
first step in the scientific method
What is observation?
500
an intrinsic property determined by mass and volume
What is density?
500
type of change that changes the composition of a substance
What is a chemical change?
500
matter is neither created or destroyed
What is law of conservation of mass?