Chem 101 Final Exam!!!Actual Questions And Answers |Already Grade A+.

CHEM 101 FINAL EXAM!!!ACTUAL QUESTIONS AND
ANSWERS |ALREADY GRADE A+.

Consider a neutral atom with 30 protons and 34 neutrons. The number of electrons in
this atom is?


A. 30
B. 32
C. 34
D. 64
E. 94 - ANSWER: A. 30


Identify the noble gas in the following list.


A. oxygen
B. Helium
C. Chlorine
D. Gold
E. Nitrogen - ANSWER: B. Helium


The formation of a gas resulting from the escape of high-energy particles from the
surface of a liquid is known as.


A. deposition
B. evaporation
C. melting
D. Boiling
E. sublimation - ANSWER: B. Evaporation


Which of the following is a measurement of mass in the metric system?


A. milliliter

, B. Kilogram
C. meter
D. Celsius
E. centimeter - ANSWER: B. kilogram


When solid is converted directly to a gas, the change of state is called


A. sublimation
B. condensation
C. boiling
D. melting
E. freezing - ANSWER: A. sublimation


Which of the following is an example of a physical change?


A. digesting a cheeseburger
B. burning coal
C. grinding coffee beans
D. converting water to hydrogen and oxygen
E. baking a cake - ANSWER: C. grinding coffee beans


Helium is a(n)


A. homogeneous mixture
B. electron
C. heterogeneous mixture
D. compound
E. element - ANSWER: E. element


The specific heat of copper is 0.092 cal/g °C, and the specific heat of silver is 0.057 cal/g
°C. If 100 cal of heat is added to one g of each metal at 25°C, what is the expected
result?