Which statement about the electron-cloud model is true?

How are elements arranged in a periodic table

Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh

Substance a is a nonpolar liquid and has only dispersion forces among its constituent particles. substance b is also a nonpolar liquid and has about the same magnitude of dispersion forces among its constituent particles. when substance a and b are combined, they spontaneously mix.