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Chemistry (S1)
Chemistry
| Question | Answer |
|---|---|
| Said that only quanta (Packets) of energy can be absorbed my matter. | Max Planck |
| Light it self can be thought of as being composed of packets of energy let's call these packets of energy photons because they act like particles. | Einstein |
| An unsolved problem on physics until Einstein's light quanta postulate. | Photoelectric Effect |
| Electrons can be thought of as both partials and waves. (Hint-Duality=double nature) | DeBroglie |
| Electron location cannot be known with certainty. He?senberg | Heisenberg |
| Energy level one | S |
| Energy level two | S, P |
| Energy level III | S,P,D |
| Energy level four | S,P,D,F |
| Name three Extensive Properties | Mass,Volume,Length |
| Name three Intensive Properties | Density, Color, Taste |
| Matter can be either.... | Pure Substances and mixtures. |
| Heterogeneous | Can see the things that make up the mixture |
| Homogeneous | Can NOT see the things that make up the mixtures also known as solutions. |
| Which type of light travels the fastest in space? Gamma Rays, X-ray, Ultra violet, Infrared, Visible light or microwaves? | None, they all travel the same speed. None faster then. any other type of light. |
| In a chemical formula what does the C mean? | Speed of light |
| In a chemical formula what does the Nu mean? | Frequency |
| In a chemical formula what does the lambada mean? | Wave length |
| What type of Bonding involves two metals. | Metallic Bonding |
| What types of bonding involves a non-metal and a metal? | Covalent and ionic |
| What type of force occurs between two nuclei? | Repulsive |
| What type of force occurs between electrons? | Repulsive |
| What type of force occurs between electrons and nuclei? | Attractive |
| How are covalent and ionic bonds similar ? | They both involve electrons |
| What are people called who studies organic chemistry? | Organic chemists |
| Who invented the scientific method? | Aristotle |
| This is the measure of how close to the actual value. | Accuracy |
| The measure of the tightness of the data. | Precision |
| This type of change do not involve changes in pure substances. | Physical change |
| It is not possible to reverse this type of change. | Chemical change |
| Matter can either be a_____________ or a ________________. | Mixture or a Pure substances |
| This person made the law of Conserv. Mass | Antoine LaVoisier (1790's) |
| This person made the law of Multiple proportions. | John Dalton |
| Henri Becquerel (1899) | Discovered three types of radiation. |
| Ernest Ruthford (1911) | Found the proton |
| James Chadwick(1932) | Found the neutron |
| Proton charge/mass | +1__1 |
| Neutron charge/mass | 0__1 |
| Electron charge/mass | -1__0 |
Created by:
elicbs
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