I need to find the x pls help and show work 73838
Helium
Remember: electron filling of atomic shell ...
The element which have electron in the lowest quantum shell will have the smallest atomic radius\
He:1s1 (Helium)
H:1s2 (hydrogen)
Answer:
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Explanation:
acid rain is harmful for crop,and soil.
Reflection, refraction, and diffraction
Reflection occurs when waves bounce back from a surface that they cannot pass through. Refraction occurs when waves bend as they enter a new medium at an angle and start traveling at a different speed.
