Thermal Properties
Atomic Structure & Bonding
Periodicity & Quantitative Chemistry
Geometry
Miscellaneous
100
What are three states of matter?
Solid, liquid, gas
100
What are the three subatomic particles and what are their charges?
Proton(+), neutron(neutral), electron(-)
100
How many valence electrons does oxygen have?
6
100
What is an acute angle?
Angle < 90 degrees
100
How is plant cell different from animal cell?
Plant cells have a cell wall, chloroplasts and other specialized plastids, and a large central vacuole, whereas animal cells do not.
200
What is the scientific definition of temperature?
Average kinetic energy of particles
200
Isotopes are the same ____ with different numbers of _____.
Isotopes are the same element with different numbers of neutrons.
200
What is the electron configuration of Zinc (30 electrons)?
1s22s22p63s23p64s23d10
200
What are alternate interior angles (draw them out)?
(will check)
200
How many bones are there in adult human body?
206 bones
300
The Boyle's Law states that ___ in pressure results in ___ in volume.
The Boyle's Law states that increase in pressure results in decrease in volume.
P1V1 = P2V2
300
What are the differences between ionic bonding and covalent bonding?
Ionic bonding --> "transfer of electrons"
Covalent bonding --> "sharing of electrons"
300
Which group is the most stable on the periodic table according to the Octet Rule?
Group 18 (Noble gases)
300
What is the slope of a line that is perpendicular to another line passing through (0, 0) and (1, 1)?
-1
300
How long is pregnancy in days?
280 days
400
The rising of hot air is an example of what?
Convection
400
What are orbitals?
An orbital is a three dimensional description of the most likely location of an electron around an atom.
400
Why does the radius of atom get smaller as the group number increases when the period is the same?
While the electron shells do not get added, the number of protons increases as the group number increases.
400
Write an equation of the line passing through the point (-1, 1) that is parallel to the line with the equation y = 2x - 3.
y = 2x + 3
400
Which country has the most population right now?
India
500
There is 200kg of water at 20 degrees Celsius. How much energy must be supplied to heat this water to 70 degrees Celsius?
*Specific heat capacity of water = 4200J/(kg*degrees Celsius)
42,000,000 J
500
Draw the lewis structure of water molecule.
500
__N2 + __H2
--> __NH3
1N2 + 3H2 --> 2NH3
500
Derive following formula:
d=√((x2 – x1)² + (y2 – y1)²)
(will check)
500
When is my birthday?
March 30