How many valence electrons does the representative element with the electron configuration 1s22s22p63p5 possess?

How many joules of heat are required to heat 125 g aluminum from 19.0°C to 95.5°C?

What are safety considerations for a zipline?

How many mg of calcium are present in a 500-mg tablet of calcium carbonate? ?

What is trichlorobenzene

Carbon has a neutral overall charge, an atomic mass of about 12 and an atomic number of 6. How many electrons does carbon have? a. 3 b. 6 c. 12 d. 24

An electron moved from a lower energy level to a higher energy level. What most likely happened during the transition? A random amount of light was released. A fixed amount of energy was absorbed. A fixed amount of energy was released.

Solid sodium reacts violently with water, producing heat, hydrogen gas, and sodium hydroxide. How many molecules of hydrogen gas are formed when 57.1 grams of sodium are added to water?

The distance from dalton, ga to Dallas, tx is 1308 km. What is the distance in miles

Which will melt faster: ice made from tap water, distilled water, or salt water?

You know that 8.9 moles of solute particles are dissolved in that liquid solution. If the molarity of the solution is 25 M, how many liters of solution do you have?