Which of the following groups of atoms are most likely to have similar properties?
a. fluorine (9), iodine (53), and astatine (85)
b. boron (5), arsenic (33), and selenium (34)
c. lithium (3), boron (5), and fluorine (9)

How is energy related to the change of state represented by the model? atoms gain energy as a solid changes to a liquid. atoms gain energy as a solid changes to a gas. atoms lose energy as a solid changes to a liquid. atoms lose energy as a solid changes to a gas.