What is concerned with the probability of finding an electron in a certain region of space.
100
How does the number of valence electrons and the group number relate?
What is the group # is the number of valence electrons. Example: all halogens have 7 valence electrons because they are in group 7.
100
Name the 3 ideas for the kinetic molecular theory.
What is
1) Particles are always in constant random motion
2) The interactions between the molecules increases as temperature goes up.
3) All things are made up of tiny substances called particles.
100
Name 3 Properties of water....wet, slippery, and liquid do not count.
What is High specific heat, high surface tension, high heat of vaporization, low vapor pressure
100
What is the name of the acid HCl?
What is Hydrochloric Acid
200
The principal energy level corresponds to what on the periodic table.
What is each period.
200
What is the molecular geometry for ammonia (NH3)?
What is trigonal pyramidal.
200
The specific heat capacity of graphite is 0.71 J/(g°C). Calculate the energy required to raise the temperature of 500.0 g of graphite by 220°C.
What is 78,100 J.
200
What is the molarity formula and the dilution formula?
What is M= moles of solute / liters or solution
Dilution= M1V1=M2V2
200
What is the net charge of a atom with 11 protons and 10 electrons?
What is 1+
300
Draw the shape of the s, p, and d orbitals.
What is
s= sphere
p=dumb-bell
d= clover
300
Draw the bond for HCN.
What is (show me)
300
State Charles', Boyles, and Gay-Lussac's Laws.
What is
Charles'= as temperature increases, volume increases
Boyle's= As pressure increases, volume decreases
Gay- Lussac's= as Pressure increases, temperature increases.
300
Definition of solubility.
What is the amount of a substance that can be dissolved.
300
What color does red litmus paper turn in the presence of a base?
What is blue.
400
How does frequency, wavelength, and energy of a wave relate?
What is as frequency of a wave increases the wavelength gets shorter and the energy gets higher.
400
Draw the bond between Aluminum and Sulfur.
What is (show me).
400
A sample of gas occupies 40.0 mL at –123°C. What volume does the sample occupy at 27°C if the pressure remains constant?
(A) 8.80 mL (B) 20.0 mL (C) 80.0 mL (D) 182 mL
What is 80 mL.
400
Name 3 things that can affect the rate of dissolving.
What is agitation, temperature, size of particle, Nature of solute, amount of solute, amount of solvent.
400
What is the electron configuration of a Chlorine ion?
what is 1s2 2s2 2p6 3s2 3p6
500
What is the periodic trend for atomic radius and ionization energy?
What is
Atomic radius decreases as you move across a period, and increases as you move down a group.
Ionization energy increases as you move across a period, and decreases as you move down a group.
500
What is the electron configuration for the nitrogen ion, nitride?
What is 1s2 2s2 2p6
500
When 50.0g of a metal at 100 degrees C is dropped into 1000g of water at 18 degrees C, the final temperature of the metal and water is 21.0 degrees C. The specific hear of water is 4.184 J/(g degrees C). What is the specific heat of the metal?
What is 3.178 J/gC
500
Solve: How many moles are in a 400ml of a 4M solution?