Which of the following is an example of deposition?

a. water vapor turning to frost on your grass.
b. water droplets forming on your glasses.
c. ice turning to water vapor in your freezer.
d. rubbing alcohol disappearing from an open container over time.

These models show the electron structures of two different nonmetal elements. which element is likely more reactive, and why? element 1 is more reactive because it has fewer electron shells and is toward the top of its group on the periodic table. element 1 is more reactive because it has more electrons in its valence shell and is farther to the right on the periodic table. element 2 is more reactive because it does not have a valence shell close to the nucleus, so it will attract electrons. element 2 is more reactive because it does not have a full valence shell, so it will attract electrons.

Which is not true about oxygen-17 and oxygen-18?

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