Elements that form diatomic molecules include a oxygen
b hydrogen
C sodium
d two of the above

D, two of the above, oxygen and hydrogen.

Explanation:

To solve this problem we can either use orbital stuff or common knowledge. Oxygen and hydrogen are known to form O2 and H2, while sodium forms metallic bonds between the atoms.

the movement of aircraft through clouds can even cause lightning strikes. a single lightning event is a "flash", which is a complex, multi-stage explosively ejected.

explanation:

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it forms an anion that has a larger radius. anions have a negative charge and are larger than the original atom.