Which of the following includes an example of a chemical property of an element? a
Aluminum is a solid at room temperature and is a poor thermal insulator.
b
Sulfur is not shiny and is not malleable
c
Sodium is a solid at room temperature and reacts with other elements
d
Silicon is Shiny and is a poor conductor of electricity

a small container that holds a source of energy a solar cell that captures light energy and converts it into electricity a voltaic cell that uses the oxidation of a fuel to produce electricity

explanation:

for step 7 table c on the lab "newtons law of action"   the average time it took the car to travel .25 meters   was 1.92 seconds.

the average time it took the car to travel 0.50 meters was 2.61 seconds

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the objects have the same charge.