ᴰᵒ ʸᵒᵘ ʷᵃⁿᵗ ˢᵉᵉ ᵐʸ ⁿᵘᵈᵉ ᵖʰᵒᵗᵒˢ? ᴰᵒⁿᵗ ʷᵒʳʳʸ ⁱᵗˢ ᶠᵒʳ ᶠʳᵉᵉ
ᵂᵃⁱᵗⁱⁿᵍ ᶠᵒʳ ʸᵒᵘ
ᵇʳᵃⁱⁿˡʸ.ᵗᵒᵈᵃʸ

Me i dont know what to do! 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.

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this

)benzene and toluene form nearly ideal solutions. consider an equimolar solution of benzene and toluene. at 20 °c the vapour pressures of pure benzene and toluene are 9.9 kpa and 2.9 kpa, respectively. the solution is boiled by reducing the external pressure below the vapour pressure. calculate (i) the pressure when boiling begins, (ii) the composition of each component in the vapour, and (iii) the vapour pressure when only a few drops of liquid remain. assume that the rate of vaporization is low enough for the temperature to remain constant at 20 °c.