Choose the element that would be the most reactive of the three. A. K c. Na b. Fr

An ionic compound is formed when there is a reaction between the elements

What type of chemical reaction is NaHCO3=Na2CO3+H2O+CO2

Jai was measuring the radioactivity of different radioactive isotopes. isotope a had a starting radioactive level of 50 g, and after 4 days it measured at 30 g. isotope b had a starting radioactive level of 75 g, and after 4 days it measured at 25 g.

What is the number of electrons in a completely filled second shell of an atom? (1) 32 (2) 2 (3) 18 (4) 8

How many different sets of equivalent protons are there for para-xylene (1,4-dimethylbenzene) ? only 1 two three four?

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?