a. Use VSEPR to predict bond angles at the marked atom. The angle is : degrees. The expected hybridization at the marked atom is . b. Use VSEPR to predict bond angles at the marked atom. The angle is : degrees. The expected hybridization at the marked atom is .

0.09 moles of sodium sulfate in 12 ml of solution

Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.