Chemistry 1120 FINAL EXAM Review
Questions And Correct Answers.
When multiplying and dividing measurements, how many sig figs is your answer? - Answer
The same number of sig figs as the measurement with the fewest number of sig figs
When adding and subtracting measurements, how many sig figs is your answer? - Answer The
same number of sig figs as the fewest number of decimal places
What are the boiling and freezing points of Celsius temperatures? - Answer 100 C for boiling
0 C for freezing
What are the boiling and freezing points of Fahrenheit temperatures? - Answer 212 F for
boiling
32 C for freezing
Name the two popular density measures: - Answer g/cm3
g/mL
How do you convert celsius to fahrenheit? (This will probs be given to you on the exam) -
Answer °C() + 32.0 = °F
How do you convert fahrenheit to celsius? (This will probs be given to you on the exam) -
Answer (°F - 32.0)() = °C
How do you convert celsius to kelvin? - Answer °C + 273 = K
Name the sizes of atoms and subatomic particles from smallest to largest: - Answer (smallest)
Protons-->Neutrons-->Electrons (largest)
What does AMU stand for? - Answer Atomic Mass Unit
, What is the particle located outside if the nucleus? - Answer Electrons
What is a proton's charge? - Answer +1
What is a neutron's charge? - Answer It is *NEUTRAL*
Tricked ya!
What is an electron's charge? - Answer -1
What is the mass of a proton or a neutron? - Answer 1.67x10^-24 g or 1 amu
What is the mass of an electron? - Answer 1/1800th the mass of a proton/neutron
Identify what each of these letters stand for:
A\/
\/
/\
Z / \ - Answer A = Mass # (P+N)
Z = Atomic # (P)
X = Element
If you have the following,
Carbon - 13
Carbon - 12
Carbon - 14
Questions And Correct Answers.
When multiplying and dividing measurements, how many sig figs is your answer? - Answer
The same number of sig figs as the measurement with the fewest number of sig figs
When adding and subtracting measurements, how many sig figs is your answer? - Answer The
same number of sig figs as the fewest number of decimal places
What are the boiling and freezing points of Celsius temperatures? - Answer 100 C for boiling
0 C for freezing
What are the boiling and freezing points of Fahrenheit temperatures? - Answer 212 F for
boiling
32 C for freezing
Name the two popular density measures: - Answer g/cm3
g/mL
How do you convert celsius to fahrenheit? (This will probs be given to you on the exam) -
Answer °C() + 32.0 = °F
How do you convert fahrenheit to celsius? (This will probs be given to you on the exam) -
Answer (°F - 32.0)() = °C
How do you convert celsius to kelvin? - Answer °C + 273 = K
Name the sizes of atoms and subatomic particles from smallest to largest: - Answer (smallest)
Protons-->Neutrons-->Electrons (largest)
What does AMU stand for? - Answer Atomic Mass Unit
, What is the particle located outside if the nucleus? - Answer Electrons
What is a proton's charge? - Answer +1
What is a neutron's charge? - Answer It is *NEUTRAL*
Tricked ya!
What is an electron's charge? - Answer -1
What is the mass of a proton or a neutron? - Answer 1.67x10^-24 g or 1 amu
What is the mass of an electron? - Answer 1/1800th the mass of a proton/neutron
Identify what each of these letters stand for:
A\/
\/
/\
Z / \ - Answer A = Mass # (P+N)
Z = Atomic # (P)
X = Element
If you have the following,
Carbon - 13
Carbon - 12
Carbon - 14
