chem 101 final exam study guide with complete solutions
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Course
2024/2025
Institution
2024/2025
chem 101 final exam study guide with
complete solutions
a chemical change always involves a change in the _________ of matter - Answer-
composition
which of the following is an endothermic process?
A. burning wood in a fireplace
B. heating water to convert it to steam
C. burning gasoline in ...
F, Cl, and Br all belong to what family? - Answer✔✔-halogens
which pair of atoms have similar properties?
a. Li and Be
b. Li and Na
c. O and F
d.F and He - Answer✔✔-b. Li and Na
which of the following is not a metal?
a. Mg
b. S
c. Sn
d. Ti - Answer✔✔-b. S
which elements are in the same group?
a. K, Ca, and Mg
b. Li, Na, and Cs
c. F, S, and N
d. C, Si, and N - Answer✔✔-b. Li, Na, and Cs
Rutherford's gold foil experiment showed that
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