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☆☆☆☆☆Cards in this guide (10)
What is a renewable resource
One that can be produced as fast as it is used - apex
The principal quantum number for the outermost electrons in a Bromine atom in the ground state is
It is n=4 because Br is in the 4p valence shell.
What is the nuclear decay equation for potassium-40
There are three beta decay modes for 40K, and so three equations.
The equation for the negative beta decay of 40K: 1940K --> 2040Ca + -10e
where the -10e represents a beta particle or electron.
The equation for the positive beta decay of 40K: 1940K --> 1840Ar+ 10e
where the 10e represents a positive beta particle or positron.
The equation for the decay of 40K by electron capture is:1940K + -10e --> 1840Ar + ve
Which type of energy releases greenhouse gases when used to make electricity
Coal
What characterizes an Arrhenius acid-base reaction
It forms a salt and water.
What is the greenhouse effect
gases in the atmosphere trap the heat from the sun
Which type of molecule supports a tree's tall structure
polysaccharide
polysaccharide
Which is a renewable energy source
Hydroelectric
What is an alkene
Apex- A hydrocarbon containing a carbon-carbon double bond
How much energy is released is a sample loses 0.05 kg mass through radioactive decay
4.5 × 1015 J
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