Chapter 1 - Matter and Measurement
Chapter 2- Atoms, Molecules, and Ions
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| 200252686 | What is CHEMISTRY? | Study of the properties of materials and changes they undergo. | 1 | |
| 200252687 | What is MATTER? | Anything that has mass and takes up space. | 2 | |
| 200288486 | What constitutes all matter? | ~100 elements (UNIQUE ATOMS) | 3 | |
| 200288487 | On the Microscopic level, Matter consists of ___? | Atoms and Molecules | 4 | |
| 200288488 | Atoms combine to form___? | Molecules | 5 | |
| 200288489 | Molecules may consist of ________? | the same type of atoms or different types of atoms held together in specfic shapes. | 6 | |
| 200288490 | What are the 3 states of matter? | Solid......Liquid......Gas | 7 | |
| 200288491 | ____ have no fixed shape or volume and can be compressed to form liquids. | Gases | 8 | |
| 200288492 | ____ have no shape, but they do have a volume. | Liquid | 9 | |
| 200288493 | ____ are rigid and have a difinate shape and volume. | Solid | 10 | |
| 200288494 | Molecules are far apart, move at high speeds, collide often. | Gas | 11 | |
| 200288495 | Molecules are closer than in gas, but rapidly slide over each other. | Liquid | 12 | |
| 200288496 | Molecules are packed closely in definite arrangements. | Solid | 13 | |
| 200288497 | Elements or Compounds are ___? | Pure Substance | 14 | |
| 200288498 | ____ consists of only one type of atom. | Element | 15 | |
| 200288499 | ____ consists of two or more elements. | Compound | 16 | |
| 200288500 | If more than one atom, element, or compound are found together, then the substance is a ___? | Mixture | 17 | |
| 200288501 | In a mixture, each pure substance retains its ________. | Own chem. identity and properties | 18 | |
| 200288502 | If matter is not uniform throughout, then it is a ________. | Heterogeneous Mixture | 19 | |
| 200288503 | If matter is uniform throughout, then it is a _______? | Homogeneous Mixture | 20 | |
| 200288504 | If homogeneous matter can be seperated by physical means, then the matter is a _____. | Mixture | 21 | |
| 200288505 | If homogeneous matter cannot be seperated by physical means, then the matter is a _____. | Pure Substance | 22 | |
| 200288506 | If a pure substance can be decomposed into something else, then the substance is a ____? | Compound | 23 | |
| 200288507 | If a pure substance cannot be decomposed into something else, then the substance is a ____? | Element | 24 | |
| 200288508 | What exploits differences in properties of the compounds?? | Separation of Mixtures | 25 | |
| 200288509 | What can be seperated by physical means? Heterogeneous or Homogeneous | Homogeneous | 26 | |
| 200288510 | Compounds can be decomposed into ____. | Elements | 27 | |
| 200288511 | Elements cannot be decomposed ____. | Any Further | 28 | |
| 200288512 | How many elements are known? | 114 | 29 | |
| 200288513 | What are the building blocks of matter? | Elements | 30 | |
| 200288514 | What are the 3 main elements in the human body? | O, C, and H | 31 | |
| 200288515 | Law: A compound always consists of the same combination of elements. | Law of Constant Proportions | 32 | |
| 200288516 | Measured without changing the substance | Physical Property | 33 | |
| 200288517 | Describes how substances react or change to form different substances. | Chemical Property | 34 | |
| 200288518 | Does not depend on amt. of substance present, helps identify a substance | Intensive Property | 35 | |
| 200288519 | Depends on quantity of substnace measured. | Extensive Property | 36 | |
| 200288520 | What are the 6 steps to the Scientific Method? | 1. Ask a Question 2. Collect Data 3. Develope hypothesis 4. Test Hypothesis 5. Analyze Data 6. Draw Conclusion | 37 | |
| 200288521 | What are the 2 types of units? | 1. Fundamental units 2. Derived Units | 38 | |
| 200288522 | How many base units are in the SI system? | 7 | 39 | |
| 200288523 | What is the SI unit for length? | Meter (m) | 40 | |
| 200288524 | What is the SI unit for mass? | Kilogram (kg) | 41 | |
| 200288525 | What is water's boiling pt and freezing pt? | Freezing 0* Boiling 100* | 42 | |
| 200288526 | Conversion C-->K | K=C+273 | 43 | |
| 200288527 | What is absoute zero? | -273.15C* 0K<---- | 44 | |
| 200288528 | Convert F--->C | F= 5/9(F* +32) | 45 | |
| 200288529 | Convert C--->F | F= 9/5C* + 32 | 46 | |
| 200288530 | What is the SI unit for volume? | 1m3 | 47 | |
| 200288531 | 1mL is = ? | 1cm3 | 48 | |
| 200288532 | Density is ____? | mass / volume | 49 | |
| 200288533 | What are the 2 types of numbers? | Exact and Inexact | 50 | |
| 200288534 | Measurements that are close to the "correct" value are ___? | Accurate | 51 | |
| 200288535 | Measurments which are close to each other are ___? | Precise | 52 | |
| 200288536 | Non-Zero numbers are always ____. | Significant | 53 | |
| 200288537 | Zeros between non-zero numbers are ____. | Significant | 54 | |
| 200288538 | Zeros before the first non-zero digit are ____. | NOT Significant | 55 | |
| 200288539 | Zeros at the end of the number after a decimal place are ____. | Significant | 56 | |
| 200288540 | Zeros at the end of a number before a decimal place are ____. | Ambiguous | 57 | |
| 200288541 | What is the Atomic Theory of Matter? (4 parts) | 1. Each element is composed of atoms 2. All atoms of an elements are identical 3. In chemical reactions, the atoms are not changed 4. Compounds are formed when atoms of elements combine | 58 | |
| 200288542 | Law: If 2 elements A and B combine to form more than one compound, the mass of B that compbines with the mass of A is a ratio of small whole number. | Dalton's Law of Multiple Proportions | 59 | |
| 200288543 | A hollow vessel with an electrode at either end is ___? | Cathode ray tube | 60 | |
| 200288544 | When high voltage is applied across the electodes, ____ is produced. | Radiation | 61 | |
| 200288545 | The path of the electrons can be altered by precsence os a _____. | Magnetic Field | 62 | |
| 200288546 | What did experiment 1 show? | Catho rays found charge to mass ratio of the electron | 63 | |
| 200288547 | What was the new goal after experiment 1? | Find te charge on the elctron to determine its mass | 64 | |
| 200288548 | What did experiment 2 show? | The oil drop determined the charge of an electron | 65 | |
| 200288549 | In experiment 2, what was the charge on an electron? | 1.60 X10-19 C | 66 | |
| 200288550 | What did experiment 3 show? | The atom has a positve, negative and neutral part | 67 | |
| 200288551 | 1 amu is = g? | 1.66054 X10-24 grams | 68 | |
| 200288552 | The atom consits of ____, ____, and ____. | Protons, Electrons, and Neutrons | 69 | |
| 200288553 | Protons and Neutrons are located ____. | In the nucleus of the atom. | 70 | |
| 200288554 | Electrons are located ___. | Outside the nucleus | 71 | |
| 200288555 | Number of protons in nucleus... | Atomic Number | 72 | |
| 200288556 | Total number of nucleons in nucleus... | Mass Number | 73 | |
| 200288557 | An atom of a specific isotope is called a ____. | Nuclide | 74 | |
| 200288558 | Columns in the periodic table are called... | Groups | 75 | |
| 200288559 | Rows in the periodic table are called... | Periods | 76 | |
| 200288560 | Metals are located on the ___ hand side of the periodic table. | Left | 77 | |
| 200288561 | Non-Metals are located on the ___ hand side of the periodic table. | Top Right | 78 | |
| 200288562 | Elements with properties similar to both metals and non-metals.. | Metalloids | 79 | |
| 200288563 | Two or more atoms bonded together.. | Molecules | 80 | |
| 200288564 | Each molecule has a chemical formula indicating.. (2) | 1. which atoms are found in the molecule 2. in what proportion they are found | 81 | |
| 200288565 | ____ formulas give the actual numbers and types of atoms in a molecule. | Molecular | 82 | |
| 200288566 | ____ formulas give the lowest whole number ratio of atomas in a molecule. | Empirical | 83 | |
| 200288567 | When an atom or molecule loses electrons, it becomes ____ charged. | Positively | 84 | |
| 200288568 | Positively charged ions are called ____. | Cations | 85 | |
| 200288569 | When an atom or molmolecule gains electrons, it becomes ____ charged. | negatively | 86 | |
| 200288570 | Negatively charged ions are called ___. | Anions | 87 | |
| 200288571 | The number of electrons an atom loses or gains is related to its ______. | Position on the Periodic Table | 88 | |
| 200288572 | Metals tend to form ____. | Cations | 89 | |
| 200288573 | Non-Metals tend to form ____. | Anions | 90 | |
| 200288574 | The majority of chemistru involves the transfer of _____ between species. | Electrons | 91 | |
| 200288575 | One | Mono | 92 | |
| 200288576 | Two | Di | 93 | |
| 200288577 | Three | Tri | 94 | |
| 200288578 | Four | Tetra | 95 | |
| 200288579 | Five | Penta | 96 | |
| 200288580 | Six | Hexa | 97 | |
| 200288581 | Seven | Hepta | 98 | |
| 200288582 | Eight | Octa | 99 | |
| 200288583 | Nine | ? | 100 | |
| 200288584 | Ten | Deca | 101 |
