50. which properties are characteristic of non-metals?
a) low heat conductivity and low electrical conductivity
b) low heat conductivity and high electrical conductivity
c) high heat conductivity and low electrical conductivity
d) high heat conductivity and high electrical conductivity

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Will give ! what are the advantages and disadvantages of nuclear power? check all that apply. one advantage of nuclear energy is that it does not produce carbon dioxide emissions. storage of nuclear waste is a short-term problem associated with nuclear energy. the problem with uranium mining is that a large quantity of uranium must be extracted to meet energy needs because the energy release from uranium fission is so low. safe operation of a nuclear power plant can be jeopardized by a human mistake.

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.