This element has a complete outermost energy level and is found in the 4th period

What is the name of the most radioactive isotope on the planet?

What are some biological processes that are sensitive to pH changes?

List the atomic numbers of the elements in period 2

Two 20.0-g ice cubes at - 17.0 C are placed into 205 g of water at 25.0C. Assuming no energy is transferred to or from the surroundings. Calculate the final temperature of the water after all the ice melts. Heat Capacity of H2O (s) 37.7 J / (mol.

The greatest amount of energy released per gram of reactants occurs during a (1) redox reaction (2) fission reaction (3) substitution reaction (4) neutralization reaction

how many protons electrons and neutrons does a atom with the atomic number 50 and mass number 125 contain?

What do you call an equation that has all the correct formulas, but is not a balanced equation

What were some reasons why it was a good idea to remove the lid from the separatory funnel after each extraction? Select all that apply.

The half-life of iodine is 8 days. If 700.00 g sample decays to 43.75, how much time has passed

The size of a minerals crystals depends on what?