Lab Safety & Scientific Method
Numbers
Matter
Periodicity/The Atom
Nuclear Chemistry
100
State the steps of the scientific method in the correct order
What is Observation, Hypothesis, experiment, data analysis, conclusion
100
Which type of data deals with numerical values.
What is quantitative data.
100
Classify this as either an element, compound, heterogeneous mixture, or homogeneous mixture: CO
compound
100
Which subatomic particle is the lightest? (proton, neutron, electron)
What is electron
100
What is the charge and mass for a beta particle?
Mass =0 and charge=-1
200
State what you should wear when you come to class for a lab.
What is long pants, closed-toed shoes, hair tied back, goggles
200
Which type of data deals with observations.
What is qualitative data.
200
A change in which a substance becomes something brand new. (chemical or physical change)
What is chemical change
200
Rutherford discovered the_______
What is nucleus
200
List the three radioactive particles in order from least to most penetrating
alpha, beta, gamma
300
An educated thought made by data that has been collected and analyzed
What is a scientific theory
300
128.35 = _______ km
What is 0.0012835
300
Calculate the mass of an object that has a volume of 8.5 ml and a density of 2.8 g/ml
What is 23.8g
300
average atomic mass is based on a _______average. (Normal, skewed, transitional, weighted)
What is weighted
300
What is the relationship that exists between mass and energy in E=mc^2?
A small amount of mass can generate a large amount of energy
400
The study of substances containing carbon
What is organic chemistry
400
convert 65 km/hr to m/sec
What is 18.06 m/sec
400
How compact particles are- OR- the amount of mass per unit of volume
What is density
400
define isotope
What is an atom of the same element that has a different number of neutrons (mass is different too)
400
Carbon-14 has a half life of 5730 years. If an object is 22920 years old how many half-lifes did it go through?
4
500
The study of chemistry from a mathematical and physics standpoint
What is physical chemistry
500
put this number into scientific notation: 350000
What is 3.5 x 10 ^ 5
500
the amount of stuff inside something
What is mass
500
Carbon-13: name the # of Protons, Neutrons, Electrons, mass number, atomic number, and symbol
What is 6,7,6,13,6,C
500
Compare and contrast Nuclear fission and Nuclear fusion
fission is the separation of nuclei, fusion is the combining of nuclear, fusion releases more energy and occurs on the sun
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