Midterm : StudyGuide & Vocabulary
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
---|---|---|---|---|---|
What is the difference between Accuracy and precision? | Accuracy is how close to the a accepted value a measurement is. Precision is the repeated agreement of the data being gathered.
🗑
|
||||
What is the formula for density? | Density equals mass over volume.
🗑
|
||||
What are the standard SI units for mass, length, Temperature, time and amount? | Mass-kilogram
length-meter
temperature-kelvin
time-per second
amount-mole
🗑
|
||||
what are The metric prefixes? | kilo (1000)/ Hecto (100)/ Deca (10)/ Deci (0.1)/ Centi (0.01)/ Milli (0.001)/ Micro (0.000001
🗑
|
||||
How do you explain absolute Zero?? | Absolute Zero is no matter motion.
🗑
|
||||
How many significant digits are in this number : 14.379 ? or 0.0478 ? | 5 / 3
🗑
|
||||
What is a heterogeneous mixture? | A Heterogeneous Mixture is a solution that is not uniform in composition
🗑
|
||||
What is a homogeneous mixture? | A Homogeneous Mixture is a type of solution that is uniform in composition.
🗑
|
||||
What are some characteristics of a chemical change? | Rusting, decomposing (changes of composition)
🗑
|
||||
What are some characteristics of a physical changes? Lab Examples? | Freezing, melting, evaporation, and condensation (changes of state)
🗑
|
||||
What are the three different states of matter? | Solid, Liquid and Gas
🗑
|
||||
What are some Intensive properties? | Density, Color, and Flammability (independent variable)
🗑
|
||||
What are some Extensive Properties? | Volume, Melting Point, Length (dependent variable)
🗑
|
||||
What is filtration used for? |
🗑
|
||||
What is distillation used for? | Distillation is used for separating a solid from a liquid by evaporating the liquid.
🗑
|
||||
What are the diatomics? | Hydrogen, Oxygen, nitrogen, Chlorine, Bromine, Iodine, & Fluorine
🗑
|
||||
What is the Atomic Number based on? | the number of protons in an atom
🗑
|
||||
What is Atomic Mass comprised of? | it is comprised of both number of protons and number of neutrons
🗑
|
||||
What is an atom with a charge called? | an Ion
🗑
|
||||
What is an atom that contain the same number of protons but a different amount of neutrons? | An isotope
🗑
|
||||
What are Spectral lines a representation of? | they are representation of where wavelengths land on the visible color spectrum
🗑
|
||||
What are the different electromagnetic waves in order from smallest to largest? | Radio < Microwave < Infrared < Visible < ultraviolet < X rays < Gamma Rays
🗑
|
||||
What does Heisenberg's Uncertainty Principle state? | It states that the specific path of an electron cannot be determined. However, we can use quantum mechanics to determine the probability of where the electron might be.
🗑
|
||||
What does Pauli's Exclusion Principle state? | It states that each orbital may only hold 2 electrons with opposite spins.
🗑
|
||||
What are the four Valence orbitals? What are their specific names? | S-Sphere
P-Dumbell
D-Clover
F- Too complicated a shape for a name
🗑
|
||||
What are the four Quantum Numbers? | Principal Quantum Number, Azimuthal/ Angular Momentum Quantum Number (Shape), Magnetic Quantum Number (Orientation), Spin Quantum Number
🗑
|
||||
Doberenier (1740) | "Triads" / chemicals with similar properties
🗑
|
||||
Newlands (1863) | "Law of Octaves" / elements can be arranged in octaves that certain properties repeat for every eighth element
🗑
|
||||
Mendeleev (1869) | Periodic Table / published a periodic table using the repeating properties method and ordered them according to Atomic mass (was able to predict a few elements)
🗑
|
||||
Moseley (1930) | arranged atoms according to atomic number / nuclear charge, used x ray diffraction pattern
🗑
|
||||
What are the four periodic trends? | Atomic Size, Ionic Size, Ionization Energy, Electron affinity
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
jennahamilton
Popular Miscellaneous sets