Answer:
Phosphorous
Explanation:
it is the fifth element from the left and it is in the third period so it has 5 valence electrons
Refraction occurs when a wave enters a new medium and changes its speed.
i hope this helps
The heat required to raise the temperature of the unit mass of a given substance by a given amount (usually one degree).
or C. Mass if you're on plato
This is in the thermosphere which is at an altitude of 85-520km
