Monique is investigating packing in crystalline solids. She wants to determine how many atoms can be packed into a set volume for each of several configurations. She decides to use magnets to model a solid that is made up of two different elements. Atoms
of one element have greater diameters than atoms of the other element.
Which of the sets of magnets shown below would Monique need in order to make a model for her investigation? Assume the
images are roughly to scale.
A

What is the molarity of the solution produced when 145 g of nacl is dissolved in sufficient water to prepare 2.75 l of solution?

Vi limitens. vastery test select the correct answer. which statement explains why large atoms are more reactive than small atoms? a. large atoms have valence electrons farther from the nucleus and lose them more readily. b. large atoms have greater ionization energy, which they can utilize during a reaction. c. large atoms have a greater number of electrons that they can lose during a reaction. d. large atoms have more energy levels, so they have more energy to pass on in a reaction. reset next

Which statement best summarizes the importance of ernest rutherford’s gold foil experiment? it proved that all of john dalton’s postulates were true. it verified j. j. thomson’s work on the atomic structure. it showed that an electron circles a nucleus in a fixed-energy orbit. it showed that a nucleus occupies a small part of the whole atom.