The boiling points of three substances are listed below. Which substance is most likely nonpolar covalent?
• Substance 1 850° C
• Substance 2 250° C
• Substance 3 20° C
Substance 1
Substance 2
Substance 1 & Substance 3
Substance 3

For each of the following compounds, write the formula then predict whether it would be a strong, weak, or non-electrolyte when placed in di water. for the ionic compounds only, put (s) or (aq) after the forrmula formula strong, weak or non electrolyte? a calcium hydroxide b. silver carbonate c. lead(ii) sulfate d. phosphorus trifluoride e. sodium phosphide f barium sulfate g. strontium acetate h. zinc nitrate

Adeuteron, 21h, is the nucleus of a hydrogen isotope and consists of one proton and one neutron. the plasma of deuterons in a nuclear fusion reactor must be heated to about 3.02×108 k . what is the rms speed of the deuterons? express your answer using two significant figures.

Find the mass, in grams, of 5.00*10^23 molecules of f2