During the model building activity, you were asked to build a model of the NF3 molecule. When two students came to show Mr. Kim their model, he noticed that
the two partners had different drawings of the model. Which student's model is
correct?

Achemistry student weighs out 0.306 g of citric acid (h3c6h5o7), a triprotic acid, into a 250 ml volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with 0.1000 m naoh solution. calculate the volume of naoh solution the student will need to add to reach the final equivalence point. be sure your answer has the correct number of significant digits.

Connect the whole numbers on the periodic table to indicate what they represent?

Write a hypothesis that answers the lesson question, “while observing a chemical reaction, how can you tell which reactant is limiting? ” hypothesis: if a substance is the limiting reactant, then . . because . .