Which statement is true about the electrons in the Bohr model of an atom? A: they give off energy as they jump to a higher level.
B: they cannot move from one orbital to another.
C: they exist at specific energy levels.
D: they are equally close to the nucleus.

What amount of heat is exchanged when 106.2 grams of substance y goes from a liquid at 35 degrees celsius to a solid at the same temperature? melting point of substance y = 35 degrees c; δhvaporization = 3.67 j/mol; δhfusion = 3.30 j/mol. mwsubstance y = 28.22 g/mol. −12.4 j −3.51 x 102 j 1.24 x 101 j 351 j