Answer:
How does the energy required to remove an electron from an atom change as you move left to right in Period 4 from potassium through iron? ... A greater nuclear charge pulls the electrons closer to the nucleus, decreasing the atomic radius.
Visible and infrared light do not cause sunburn and they are not known to directly be a skin cancer risk.
Answer:
water
Explanation:
liquid don't have any shear strength and so a shear wave cannot propagate through a liquid.
Answer:
Acidic
Explanation:
Since the concentration of the acid is greater.
