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WorksheetsGoing Nuclear! Unit Review
Total questions: 10
Worksheet time: 50mins
Exceptions to Dalton's atomic theory include ...
All matter is composed of extremely small particles called atoms.
Atoms are divisible
Atoms of a given element are identical in size, mass and other properties
Atoms of different elements can combine in simple, whole number ratios to form chemical compounds.
Atoms of a given element can have different masses called isotopes
J.J. Thomson’s _____________ model showed a uniform sphere containing positively charged matter with electrons spread throughout.
chocolate chip cookie
sphere
jimmy neutron
bohr-ing model
T/F: Nuclear reactions are affected by changes in temperature or pressure, or by the presence of catalysts.
True
False
How do archaeologists use radioactive decay to date matter?
Carbon Dating
Radioactive Decay
Calcium Dating
What are advantages of SMRs?
Cheaper to build than traditional reactors
Easier to connect to solar energy sources
75% smaller than what we have now
Will generate energy that is cheaper and cleaner
Identify the element: 1s2 2s2 2p6 3s2 3p6 4s1
Potassium
Calcium
Rubidium
Strontium
What is the electron configuration for Silicon
1s2 2s2 2p2
1s2 2s2 2p6 3s2 3p2
1s2 2s2 2p6 3s2 3p6 3d10
1s2 2s2 2p6 3s2 3p4
A 17.50 g sample of potassium-40 was collected. After 8.757 x 10^9 years, 0.13671 g of the sample remained. What is the half-life of potassium-40?
5.87 x 1010
1.251 x 109
8.757 x 109
What type of nuclear decay is shown here?
Alpha
Beta
Gamma
In a nuclear equation, this symbol should be shown for what kind of radiation?
alpha
beta
gamma
