If an atom gains two electrons in a chemical reaction, what is its charge?
a
question 4...
Physics, 26.08.2019 22:00 idontknow11223344
If an atom gains two electrons in a chemical reaction, what is its charge?
a
question 4 options:
-2
-1
+2
+1
Answers: 1
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Waves that cause the most damage during an earthquake are a. surface waves c. s waves b. p waves d. ocean waves
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Each neuron shown in this figure innervates a group of muscle fibers. what is the term for a group of muscle fibers innervated by a single neuron?
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Imagine that the rightward current flows in the rod for a short time. as a result, what will the net charge on the right and left ends of the rod become? left end negative and right end positive left end negative and right end negative left end negative and right end nearly neutral left end nearly neutral and right end positive both ends nearly neutral
Answers: 3
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Estimate the kinetic energy of mars with respect to the sun as the sum of two terms, that due to its daily rotation about its axis, and that due to its yearly revolution about the sun. (assume mars is a uniform sphere with mass = 6.4Γ10 to the power of 23 kg, radius = 3.4Γ10 to the power of 6 m, rotation period = 24.7 hours, orbital period = 686 days and is 2.3Γ10 to the power of 8 km from the sun.)
Answers: 2
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