How does the diameter of an atom compare with the diameter of the nucleus

25. Which of the following statements is true for the element sulfur? A It has 17 neutrons B It has more electrons than Argon C Its symbol is Su D It has 6 electrons on its third energy level

List electrons, neutrons, quarks and protons from lightest to heaviest.

How would you seperate a mixture of marbles corks and nails?

How much heat energy in megajoules is needed to convert 7 kg of ice at - 9 seat to water at 0C

How many grams of O2 are needed to react with 13.6 g of NH3

An aqueous solution is made from a molecular compound rather than from an ionic compound. If some ions are present in solution, which best describes the solute? A. a weak electrolyte B. a nonelectrolyte C. a strong electrolyte D.

Which of the following measures the radiation given off by atoms per second?

What is the name of the outermost layer that forms a boundary around the outside of each cell

What does an ionic compound form?

How many electrons in an atom could have these sets of quantum numbers n=7 l=3 ml=-1?