Term
| Define: kinetic-molecular theory (2) |
|
Definition
-all matter consists of extremely tiny particles that are always moving (more spaced out in gas, then liquid, solid)
-The higher the temperature, the faster the particles move |
|
|
Term
-Define: kinetic energy
-what is its opposite? |
|
Definition
-energy of motion
-potential energy = energy stored |
|
|
Term
|
Definition
observation manipulation, EXPERIMENTATION
--dictionary: "Large enough to be perceived or examined by the unaided eye" |
|
|
Term
| Define: particulate/submicroscopic |
|
Definition
-atoms, molecules, ions
-"scientists think about chemistry at particulate level"
-Dictionary: "A minute separate particle, as of a granular substance or powder" |
|
|
Term
| Define: pure substances (2) |
|
Definition
-unique features to be IDd by
-cannot be separated into two or more different species by a physical technique |
|
|
Term
| Another term for homogeneous solutions? |
|
Definition
|
|
Term
| V/F compounds closely resemble the elements they are made from |
|
Definition
| FALSUM, can be radically different |
|
|
Term
| as density ______, temperature _____ |
|
Definition
increases/decreases
OR
decreases/increases |
|
|
Term
| What is another word for intensive/extensive properties? |
|
Definition
quantitative/qualitative
DID YOU KNOW THAT QUALITATIVE COMES FROM A LATIN ROOT?
Qualis = what kind, what sort |
|
|
Term
consider the equation:
C6H12O6 + 6O2 → 6CO2 + 6H20
what is each side of the equation called? |
|
Definition
C6H12O6 + 6O2 = reactants
6CO2 + 6H20 = products |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
| SI unit for amount of substance? |
|
Definition
|
|
Term
| SI unit for electric current? |
|
Definition
|
|
Term
| Name first 20 elements (GIVE SYMBOLS) |
|
Definition
1. H (hydrogen)
2. He (helium)
3. Li (Lithium)
4. Be (Beryllium)
5. B (Boron)
6. C (Carbon)
7. N (Nitrogen)
8. O (Oxygen)
9. F (Fluorine)
10. Ne (Neon)
11. Na (Sodium)
12. Mg (Magnesium)
13. Al (Aluminum)
14. Si (Silicon)
15. P (Phosphorus)
16. S (Sulfur)
17. Cl (Chlorine)
18. Ar (Argon)
19. K (Potassium)
20. Ca (Calcium) |
|
|
Term
|
Definition
|
|
Term
|
Definition
| Anything that has mass and takes up space |
|
|
Term
|
Definition
| AN OBSERVATION BASED ON THE PURITY OF A SUBSTANCE |
|
|
Term
|
Definition
| AN OBSERVATION BASED ON THE AMOUNT OF A SUBSTANCE |
|
|
Term
|
Definition
| The measurement of matter |
|
|
Term
|
Definition
| The mass per unit volume of an object |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| A substance which cannot be broken down into simpler substances |
|
|
Term
|
Definition
| A chemical combination of 2 or more elements |
|
|
Term
|
Definition
| A combination of 2 or more substances NOT chemically combined |
|
|
Term
| HETEROGENEOUS MIXTURE (exs) |
|
Definition
| A mixture in which the 2 or more substances are not dissolved in one and other (sand, pebbles, and concrete) |
|
|
Term
| HOMOGENEOUS MIXTURE (exs) |
|
Definition
A mixture in which the 2 or more substances are dissolved in each other
(solution) |
|
|
Term
|
Definition
| The component o a solution which is dissolved (the ice in iced tea) |
|
|
Term
|
Definition
| the component of a solution which dissolves the other (the tea in the iced tea) |
|
|
Term
|
Definition
| A solution in which water is solvent |
|
|
Term
|
Definition
| A solution of 2 or more metals (copper and zinc melted together to form brass) |
|
|
Term
|
Definition
| A property which does not involve or determine the chemical reactivity of a substance (color, mass, hardness) |
|
|
Term
|
Definition
| A property which determines the chemical reactivity of a substance (electron structure) |
|
|
Term
|
Definition
| a change which does not involve a change in the chemical make-up of the substance (freezing, boiling, solidifying) |
|
|
Term
|
Definition
| A change which does involve a change o the chemical make-up of a substance (burning, exploding) |
|
|
Term
| EVIDENCE OF A CHEMICAL CHANGE |
|
Definition
| The evolution of light, heat, color change, a gas, or a precipitate |
|
|
Term
|
Definition
| the formation of a solid in a solution or inside another solid during a chemical reaction or by diffusion in a solid |
|
|
Term
|
Definition
| Symbols and numbers which indicate the kind and amount of each element in a compound (H20 & CO2) |
|
|
Term
| Name first 20 elements/symbols |
|
Definition
(H) Hydrogen
(He) Helium
(Li) Lithium
(Be) Beryllium
(B) Boron
(C) Carbon
(N) Nitrogen
(O) Oxygen
(F) Fluorine
(Ne) Neon
(Na) Sodium
(Mg) Magnesium
(Al) Aluminium
(Si) Silicon
(P) Phosphorous
(S) Sulphur
(Cl) Chlorine
(Ar) Argon
(K) Potassium
(Ca) Calcium |
|
|
Term
NAME THAT PREFIX:
billionth |
|
Definition
|
|
Term
NAME THAT PEFIX:
10 to the -15th power |
|
Definition
|
|
Term
NAME THAT PEFIX:
trillionth |
|
Definition
|
|
Term
NAME THAT PEFIX:
millionth |
|
Definition
|
|
Term
NAME THAT PEFIX:
thousandth |
|
Definition
|
|
Term
NAME THAT PEFIX:
hundredth |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
| How many significant figures are there in 5.9331? |
|
Definition
|
|
Term
| How many significant figures are there in 0.000005? |
|
Definition
|
|
Term
| How many significant figures are there in 2.02240? |
|
Definition
|
|
Term
| how many significant figures are there in 0.045010? |
|
Definition
|
|
Term
| how many significant figures are there in 1,000,000? |
|
Definition
|
|
Term
| how many significant figures are there in 100 cm/m? |
|
Definition
|
|
Term
| Difference between precision and accuracy? |
|
Definition
precision: hitting the mark every time
accuracy: hitting the RIGHT mark |
|
|
Term
|
Definition
| # of old units * new unit/old unit = new # of new units |
|
|
Term
| What is evidence of a chemical change? |
|
Definition
|
|
Term
| Which elements are always diatonic? |
|
Definition
HINT: BRINKLEHOFS
Br, I, N, Cl, H, O |
|
|
