Answer:
5 valence electrons
Nitrogen has a total of 5 valence electrons
Explanation:
Answer:
When heat is added to a substance, the molecules and atoms vibrate faster. As atoms vibrate faster, the space between atoms increases. The motion and spacing of the particles determines the state of matter of the substance. The end result of increased molecular motion is that the object expands and takes up more space.
Explanation:
Shade only feels cooler because you are avoiding solar radiation. In reality, the temperature in the sun is the same as the temperature in the shade. ... When in the shade, your skin is not being “heated” by the sun's rays, so your skin and your body feel a more comfortable temperature.
Answer:
A
Explanation:
The earth's rotation makes stars appear to move during the night.