Atoms of which elements form bonds without satisfying the octet rule? potassium (k) and sodium (na) neon (ne) and argon (ar) nitrogen (n) and fluorine (f) helium (he) and hydrogen (h)

 The  elements  that form bonds without satisfying the octet  rule is    Helium (He)   and hydrogen (H)

        Explanation

 According to octet rule  atoms  tend to combine  in such a way that  each atom  has eight  electrons  in its valence  shell.

Helium   is inert with  2 electron in it's  valence shell thus does not satisfy the octet rule.

   hydrogen  on the other hand has 1 valence electron. it  combine with other atoms  and gain 1 electron  to have a  total of 2 electrons hence does not satisfy  the octet rule.

D. helium (He) and hydrogen (H)

Explanation:

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your answer would be a. 12.5 kg