How many neutrons does element X have if its atomic number is 32 and its mass number is 75?

Which of the three substances has the greatest porosity? a. gravel b. sand c. silt d. all are equal

A compound is 2.00% H by mass, 32.7% S by mass what is the empirical formula.

Which is not an example of applied force? A. Hitting a home run B. Slapping a puck down on the ice C. Kicking a soccer goal D. A balloon sticking to the wall after you rub it on your hair

An atom of which element has the greatest attraction for the electrons in a bond with a hydrogen atom? (1) chlorine (3) silicon (2) phosphorus (4) sulfur

Which is the best example of immiscible liquids?

Which of the compounds below is not an example of a molecular solid?

The compound carbon tetrachloride is formed when a carbon atom shares electrons with four chlorine atoms. What type of bond is this?

Consider the following unbalanced redox reaction: Cr2O72 - (aq) + NO2 (aq) - Cr3 + (aq) + NO3 (aq) What is the oxidizing agent in the reaction?

At stp conditions the volume of 22g of co2 is?

32 Which electron configuration represents the electrons in an atom of Ga in an excited state? (I) 2-8-17-3 (3) 2-8-18-3 (2) 2-8-17-4 (4) 2-8-18-4