Answer:
choice 3
Explanation:
Hydrogen bonding occurs when a H is bonded to a highly electronegative atom like F. Towards the upper right corner, most atoms have high electronegativity and small atomic radii, according to periodic trends.
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A function describing the location and wave-like behavior of an electron in an atom.
Answer:
1.D
2.C
3.D
4.D
5.C
6 B
those are the answers, we must take care of our environment
