Review for Chemistry Final Exam
Help!
|
|
||||
|---|---|---|---|---|---|
| elements are arranged this way on the current periodic table | increasing atomic number
🗑
|
||||
| number of valence electrons equals this | group number
🗑
|
||||
| center of atom where protons & neutrons are found | nucleus
🗑
|
||||
| these subatomic particles must be equal if atom is neutral | protons + electrons
🗑
|
||||
| change in number of protons | different element
🗑
|
||||
| change in number of neutrons | isotope
🗑
|
||||
| change in number of electrons | ion
🗑
|
||||
| innermost electrons are called this | core
🗑
|
||||
| outermost electrons are called this | valence
🗑
|
||||
| Cations are found where on the periodic table | 1A, 2A, 3A (+ d and f blocks)
🗑
|
||||
| Anions are found where on the periodic table | 5A, 6A, 7A
🗑
|
||||
| Type of chemical reaction: AB --> A + B | decomposition reaction
🗑
|
||||
| Type of chemical reaction: A + B --> A B | synthesis reaction
🗑
|
||||
| Type of chemical reaction: AB + CD --> AD + CB | double replacement reaction
🗑
|
||||
| Type of chemical reaction: AB + C --> CB + A (sometimes) | single replacement reaction
🗑
|
||||
| Compound made by a transfer of valence electrons | ionic
🗑
|
||||
| Compound made by sharing of valence electrons | covalent
🗑
|
||||
| How are ionic compounds named? | never use prefixes
🗑
|
||||
| How are covalent compounds named? | always use prefixes but never put "mono" on 1st anion
🗑
|
||||
| the sum of protons and neutrons | atomic mass
🗑
|
||||
| what element is the exception in group 1A (1) | H , not a metal
🗑
|
||||
| what element is the exception in group 8A (18) | He, stable with 2 valence electrons
🗑
|
||||
| 2 parts of an ionic compound | cation (metal) + anion (nonmetal)
🗑
|
||||
| 2 parts of a covalent compound | anion (nonmetal) + anion (nonmetal)
🗑
|
||||
| subatomic particle with positive charge | proton
🗑
|
||||
| subatomic particle with negative charge | electron
🗑
|
||||
| subatomic particle with no charge | neutron
🗑
|
||||
| study of matter and the changes it goes through | chemistry
🗑
|
||||
| horizontal rows on the periodic table (7) | periods
🗑
|
||||
| vertical columns on the periodic table (18) | groups/families
🗑
|
||||
| SI unit for length | meters (m)
🗑
|
||||
| SI unit for mass | kilograms (kg)
🗑
|
||||
| Rule that says that atoms of elements become stable with 8 valence electrons | octet
🗑
|
||||
| is conserved in every chemical reaction | molar mass ; energy ; # & type of atoms
🗑
|
||||
| numbers that are never changed to balance a chemical equation | subscripts
🗑
|
||||
| numbers that are placed in front of elements or compounds to balance a chemical equation | coefficients
🗑
|
||||
| chemical equation that is not balanced | skeleton
🗑
|
||||
| formula that uses the lowest whole number ratios | empirical
🗑
|
||||
| elements were arranged this way on the first periodic table | increasing atomic mass
🗑
|
||||
| last 2 things done after experiment is over | clean up + wash hands
🗑
|
||||
| Type of Chemical Reaction: CxHy + O2 --> CO2 + H2O | Combustion
🗑
|
||||
| 273 K ( or O C) AND 101.3 kPa ( or 1 atm) | STP conditions
🗑
|
||||
| SI unit for amount of substance | mole
🗑
|
||||
| Volume of 1 mole of any gas at STP conditions | 22.4 Liters
🗑
|
||||
| Movement of particles from high concentration to low concentration | diffusion
🗑
|
||||
| from 0 to 6 on pH scale ; release H+ ions | acids
🗑
|
||||
| from 8 to 14 on pH scale ; release OH- ions | bases
🗑
|
||||
| any substance with pH of 7 | neutral
🗑
|
||||
| this is done to convert Celsius degrees to Kelvin degrees | add 273
🗑
|
||||
| PV = nRT | Ideal Gas Law
🗑
|
||||
| P1 x V1 = P2 x V2 | Boyle's Law
🗑
|
||||
| Ptotal = P1 + P2 + P3 .... | Dalton's Law
🗑
|
||||
| speeds up a chemical reaction in living things | enzyme
🗑
|
||||
| speeds up a chemical reaction by lowering the activation energy | catalyst
🗑
|
||||
| diagram of the nucleus and electron shells of an atom | Bohr Model
🗑
|
||||
| diagram of only the valence electrons | Lewis Dot structure
🗑
|
||||
| diagram of all the electrons arranged | Electron configuration
🗑
|
||||
| electrons with a positive charge | cations
🗑
|
||||
| electrons with a negative charge | anions
🗑
|
||||
| reaction rate factor that only affects gases | pressure
🗑
|
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:
cadetjt
Popular Chemistry sets