Which atom would most likely undergo radioactive decay? Li^ +

S-32

Rn - 222

Dmight be the correct answer

It will fall off and tip over. 

Sorry i dont understand the question can you rephase it?

Non metal is an element or substance that is not a metal metal is a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivitymetalloid is an element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals. they are electrical semiconductors.