Sensory nerves gather information of the environment and send it to the brain, and motor nerves tell muscles to contract, thereby making you move.
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Answer:
solid at room temperature (with the exception of mercury)
usually shiny.
high melting point.
good conductor of heat.
good conductor of electricity.
low ionization energies.
low electro-negativities.
malleable – able to be pounded into sheets.
As the H bond of the butanol is more effective and strong than Van der Waals forces of the ether the surface tension in alcohol is more intensive.
So the correct answer is e)
Answer:
O2 has a double covalent bond
H2 has a single covalent bond
N2 has a triple covalent bond
Explanation:
Hydrogen atoms form only one covalent bond because they have only one valence electron to pair.
Since two electrons form each bond, there are a total of two pairs, or four electrons, in the bond.
The N2 Lewis structure has a triple bond between two nitrogen atoms. According to the octet rule, nitrogen atoms need to bond three times.
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