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Chemistry
Atomic Structure review
| Question | Answer |
|---|---|
| Who asked "what would happen if you chopped up matter into even smaller pieces?" | Democrius |
| who made the equation to find the energy of a wave ? | Max Plank |
| WHAT IS THE EQUATION TO FIND THE ENERGY OF A WAVE? | E=h*v |
| What is a particle of light called? | Photon |
| For thomson, what does a chatodo ray bent by a magnet mean? | it is electrically charged |
| For thomson what does the cathode ray travel toward the anode mean? | its negatively charged |
| For thomson what does the ray bending metal in its path mean? | it has mass and is made of particles |
| Whats rutherfords interpritation of the following? A. Alpha particles deflected B. particles go straight through C. Particles come back | a. center of atom is positively charged b. most atom is empty space c. atom has small nucleus about 1/10000 the size of the atom |
| what are discreet specific amounts of energy called? | quanta |
| equation to calculate the energy of a photon? | E=h*v |
| when light from a specific wavelength shines on metal and electrons are delflected, known as what? | photoeleccrtic effect |
| who stated the uncertainty principle? | Heisenburg |
| what is the uncertainty principle? | Cant know the location and speed of an electron at the same time |
| Who discovered protons? | GoldStein & wein |
| Who discovered neutrons? | Chadwick |
| Who discovered electrons? | J.J. Thompson |
| Who discovered nucleus | Rutherford |
| Atoms mass is concentrated in? | the nucelus |
| Atom is mostly? | empty space |
| Charge & symbol of proton? | +1 p+ |
| Charge and symbol of electron? | -1 e- |
| Charge and symbol of neutron | 0 N0 |
| Mass number of protium Deterium and tritium | 1, 2, 3 |
| equation for frequency of a wave? | c=wl*v |
| What does a unique bright line spectrum mean? | Unique set of waves |
| Light of energy has_____ wl & _____ v | Low high |
| low energy state of electron is | ground state |
| high energy state of electron | excited state |
| most probable location of an electron? | orbital |
| max number of electrons in second energy level | 8 |
| number of sublevels in 3rd energy level? | 3 |
| max # of electrons in 5th energy level | 2(5)^2= 50 |
| # of orbitals in a d sublevel | 5 |
| proposed planetary model? | bohr |
| bombarded gold foil with helium nuclei? | rutherford |
| stated electrons exist in specific energy levels? | Bohr |
| developed equation for location of electron? | schrodinger |
| series of bands of colors emitted by excited atoms? | bright line spectra |
| instrument to measure wavelength? | spectrometer |
| theory that describes waves at atomic level? | quantunth |
| amount of energy can be absorbed or releaed | quantum |
| stated atomic theory | dalton |
Created by:
sydneydelcambre
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