Show:
Chemistry and Matter
Data Analysis
Changes in
matter
Nuclear Chemistry
All that and a Bag of chips
100
a chemical that forms a protective layer in the Earth's atmosphere
What is ozone
100
A ratio of mass per unit volume
What is density ?
100
Can be observed without altering a substances composition
What is physical properties ?
100
How many orbitals are on level 3 ?
What is nine?
100
The mathematical relationship between wavelength and frequency?
What is inversely proportional?
200
Used in refrigeration and aerasol cans
What is CFC's ( chloroflurocarbons)?
200
This used to handle extremely large numbers and extremely small numbers
What is Scientific notation?
200
three classes of matter
What are elements, compounds and mixtures?
200
an energy change that affects the nucleus
What are nuclear reactions ?
200
Formed when tiny drops of water disperse the white light from the sun.
What is a rainbow (continuous spectrum)?
300
A measure of the amount of matter in a substance
What is mass
300
The use of converting factors to solve problems
What is factor label or dimensional anlysis?
300
Mass is neither created or destroyed
What is the Law of conservation of mass ?
300
Electrons occupy the lowest energies first.
What is the Aufbac principle?
300
The minimum amount of energy that can be gained or lost by an atom
What is quantum?
400
The branch on chemistry that deals with behavior of substances
What is physical chemistry?
400
How close a measuresment is to the accepted value
What is accuarcy?
400
Matter that can be separated by physical means
What are mixtures ?
400
What are the products of an electron capture?
What is an isotope and xray photon ?
400
Scientist who Predicted that all moving partices behave as waves.
Who is de Broglie
500
An explanantion that has been supported by many, many experiments
What is theory?
500
In the number 0.000250, how many digits are significant?
What is three ?
500
If elements form more than one compound, the compounds will have compositins that are small whole number ratios
What is the Law of multiple Proportions ?
500
Why does radioactive decay occur?
What is When the neutron /proton ratio is not balanced.
500
Maximum number of electrons on level 6
What is 72?