2. When atoms become ions, they typically achieve A. a more stable nucleus
B. a full valence shell of electrons
C. an equal number of protons and electrons
D. an octet of protons
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After cloud droplets form, what must happen to them for precipitation to occur?

13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.

How does the atmosphere to make earth livable? check all that apply. causes the seasons contains oxygen provides warmth creates important nutrients blocks harmful energy from the sun plz like !