Periodic Table
States of Matter Properties
Physical vs. Chemical Change
Environmental Impact of Chemical Reactions
Determining Density
100
In horizontal rows, or periods, and by order of increasing atomic number.
How is the periodic table organized?
100
Solid, Liquid, and Gas.
What is the three main states of matter?
100
Change in the substances identity.
What is a physical change?
100
Chemical reactions.
What is essential to earth?
100
D = M/V
What is the formula for finding density?
200
They're found in the nucleus.
Where are the protons located?
200
Solid
What is the compacted state of matter?
200
Change that results in the formation of new chemical substances.
What is a chemical change?
200
Chemical producing plant has a much worse environmental impact than our self-contained plant that emits no waste.
What has a much worse environmental impact?
200
grams
What is the units for mass?
300
The electrons in the outer shell of the atom.
What are valence electrons?
300
Gas.
What assumes both the volume and shape of its container, is compressible, and flows readily?
300
A change has occured in both.
What is the similarity with both physical and chemical change?
300
Forest Fires
What is a 1 main way of impacting the environment in densely populated trees?
300
Cubic centimeters
What is the units for volume?
400
The valence electrons.
What part of the atom is responsible for bonding with other elements?
400
Liquid.
What is not easily compressed?
400
The length getting shorter or longer.
With hair, what's a physical change?
400
Mount Rushmore
What is a monument that is affected by acid rain? (in the U.S.)
400
g/cm3
What is the units for density?
500
77
How many elements are in the periodic table in 1924?
500
Freezing - solid Boiling - gas boiling temp and the temp getting colder - liquid freezing temp getting hotter - liquid
What is the different ways of turning each states of matter into other states of matter?
500
Burning wood
Which is a chemical change? -Burning wood -painting nails -cutting wood
500
Global warming.
What is the result when the atmosphere traps heat radiating from Earth toward space.
500
the degree of compactness of a substance.
What is the definition of density?
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