3. Column A
(0.99)2(0.99)3
Column B (0.99)3
if the quantity in Column A is greater;
if the quantity in Column B is greater;
if the two quantities are equal;
if the relationship cannot be determined from the information is given ​

They are all decomposition reactions.

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.

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