Chapters 1-2
Koolaid is an example of this type of mixture.
What is homogenous mixture?
What is an atom?
The relationship between frequency and wavelength.
What is inversely related?
134.62 + 90.4
What is 225.0?
The 3rd energy level has this many orbitals.
What is 9?
A property that depends on the amount of matter in a sample.
What is an extensive property?
-32 Celcius to Kelvin.
What is 241 Kelvin?
The law stating electrons enter orbitals of lowest energy first.
What is the Aufbau principle?
The quantum numbers for Promethium.
What are 4,3,1,+1/2?
This is how Sulfur obeys the octet rule.
What is by gaining 2 electrons?
A process used to separate components of a mixture using differences in boiling points.
The closeness of measurement to the true value of what is being measured.
What is accuracy?
The electron configuration of phosphorus ion.
What is 1s22s22p63s23p6? The same as argon.
Indium has 2 stable isotopes that have the following mass numbers: 113 and 115. The atomic mass of indium is 114.82. Based on this information _________ isotope is the most abundant.
What is Indium-115?
The number of neutrons in Argon-40.
What is 22?
Example of chemical and physical change using bread.
Chemical: baking process w/ yeast
Physical: slicing it
JJ Thomson's experiment.
What is the cathode ray?
3 characteristics of metals.
What are good conductors of heat and electricity, ductile, shiny, and malleable?
The wavelength of a photon whose frequency is 2.68 x 106 Hz.
What is 111 m?
In the lab you measured the mass of the product of NaCl to be 480g but the actual weight of the prodcut producted is 500g.The percent error is...
What is 4%?
Gaseous state of substance usually liquid or solid at room temp
What is a vapor?
The quantity of heat needed to raise the temperature of 1g of water 1C.
What is a calorie?
The trends that increase left to right across a period.
What is ionization energy and electronegativity?
Calculate the atomic mass of Silicon based on the following:
the natural abundance of Si-28 is 92.23%. For Si-29 it's 4.67%. And for Si-30 it's 3.10%.
What is 28.1 amu?
Calculate the wavelength of a beam of light that has 8.23 x 10-19 J of energy.
What is 2.41 x 10-7 m? or 241nm.