A certain covalent bond contains sulfur bonded to chlorine. Which one of these statements about this compound is correct? a. electrons will reside closer to chlorine, and the bond will be non-polar.
b. electrons will reside closer to chlorine, and the bond will be polar.
c. electrons will reside closer to sulfur, and the bond will be polar.
d. electrons will reside closer to sulfur, and the bond will be non-polar.

Calcium hydride (cah2) reacts with water to form hydrogen gas: cah2(s) + 2h2o(l) → ca(oh)2(aq) + 2h2(g) how many grams of cah2 are needed to generate 45.0 l of h2 gas at a pressure of 0.995 atm and a temperature of 32 °c?

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.

Answer explain why it is not possible to deduce a complete order of reactivity.