Types of Energy
What is the difference between potential and kinetic energy?
Potential Energy is stores energy, while kinetic energy is in use
What are the three states of matter?
solid, liquid, gas
How many signifiant figures are in the following number:
6.032 x 10-5
4
How many seconds are in 45 minutes?
(Report your answer with the correct number of sig figs)
2,700 seconds
Name the three subatomic particles.
Electron, neutron, proton
Name 3 types of potential energy
Gravitational, chemical, nuclear, elastic
What causes a molecule to change state?
A change in the speed of the atoms
Round the following number to 2 significant figures:
1,999,999
2,000,000
How many hours are in 30,766 seconds?
(Report your answer with the correct number of sig figs)
8.5461 hours
Which subatomic particle orbits the nucleus?
The electron
Name 3 types of kinetic energy
Motion, thermal, radiant, electrical, sound
Which state of matter has the fastest atomic movement?
Gas
Convert the following number into scientific notation:
3,670.0082
3.6700082 x 103
How many hours are in 2.8 weeks?
(Report your answer with the correct number of sig figs)
470 hours
Name the 4 orbital blocks
s, p, d, f
Describe a scenario where potential energy is converted into kinetic energy.
[answers vary]
In which state of matter are atoms closest together?
Solid
Convert the following number to standard notation AND round to 3 sig figs:
3.686 x 10-4
0.000369
How many seconds are in 5 weeks? Answer in scientific notation.
(Report your answer with the correct number of sig figs)
3 x 106
Write the noble gas configuration for Xenon
[Xe]
Describe a scenario where kinetic energy is converted into potential energy.
[answers vary]
Describe what is happening to the atoms in a substance that undergoes SUBLIMATION
The atoms rapidly speed up and spread apart.
Convert the following number to scientific notation AND round to 3 sig figs:
1,009,345,000
1.01 x 109
How many weeks is 1.56 seconds? Answer in scientific notation.
(Report your answer with the correct number of sig figs)
2.58 x 10-6
Write the noble gas configuration for Germanium [Ge]
[Ar] 3d¹⁰ 4s² 4p²