Bohr's model of the atom included a positively charged orbited by negatively charged
a. nucleus, protons
b. nucleus, electrons
c. neutrons, electrons
d. protons, electrons

Which position represents spring in the southern hemisphere? a) b) c) d)

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

Identify the lewis base in this balanced equation: fe3+ h2o fe(h2o)63+