How are the elements arranged in the modern periodic table? O A. According to atomic number
B. According to atomic mass
C. According to the number of neutrons
O D. According to the number of electrons

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.

Ithink carbon dioxide, i am not completely sure.tell me if i am wrong.

Not a  mixture of two common elements that can be separated by physical means.

Answersublimation;