The elements that do not ordinarily form compounds are

The noble gasses, they are the elements on group 18 of the periodic table and do not usually form compounds. The noble gases are as follows: helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), radon (Rn), and oganesson (Og).

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Noble gases

Explanation:the have all 8 valence electrons so they do not have a need to bond

answer: a) y=-8x+5

a) m= -8

b) m= -2

c) m= 7

d) m= 6