Students tested an unknown solution with a pH meter. The meter indicated that the solution has a pH of 10.3. Based on this information, what can the students correctly infer about the unknown solution? A The unknown solution is moderately basic. B The unknown solution is a poor electrical conductor. C The unknown solution contains sodium chloride. D The unknown solution is a heterogeneous mixture.

Which type of stress results when two plates push against one another? a. compression b. tension c. force d. shear

Which element forms an ionic bond with flourine? 1) fluorine 2) carbon 3) potassium 4) oxygen

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