Chemistry exam
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Science (Christian definition) | Study of Gods creation
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| QUALITative | General description
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| QUANTitative | Some sort of measurement
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| Absolute Truth | Not changing always true
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| Relative Truth | What is true today can be proven false tomorrow
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| Dynamic | Always changing. Human process
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| Chemistry | Study of matter and how it changes
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| Scientific method | Observe, question, hypothesis, experiment, conclude
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| SI Base units | Length, Mass, Time, Temperature, Electricity current, Luminous intensity, Density, Area, Volume
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| SI prefixes | Giga, Mega, Kilo, Deci, Centi, Milli, Micro, Nano
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| Accuracy | How close your measurements are to the accepted call.
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| Precision | How close you measurements are to each other
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| Significant figures | All of the certain digits and the one estimated digit in a measurement.
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| Density equation | D= m/v
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| SI Conversions |
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| Element | A pure substance that can not be broken down simpler.
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| Compound | Substance that can be broken down into simpler stable substances
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| Mixture | Blend of two or more kinds of matter each of which retains its own identity and property
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| Heterogeneous | Not uniform through out
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| Homogeneous | Uniform through out
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| Matter | Anything that has mass and takes up space
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| Physical change | does not change the substance deals with energy and states can be undone
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| Chemical Change | substances are converted into a new substance
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| Dalton | all matter is composed of extremely small parties call atoms. Atoms are identical in size, mass, other properties, atoms can not be subdivided, created or destroyed.
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| Thomson | cathode bay- electrons and magnet
alum pudding modle- electrons like granola in yogurt
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| Rutherford | Foil Gold experiment- radioactive source against gold to detect where particles end up- alpha particles change through a small foil particles
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| Bohr | Around nucleus atom have a small pos electron that travel irregular orbits
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| Modern Scientists |
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| Gold foil experiment | radioactive source aimed at gold foil to see where particles go
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| Atomic number | the number of protons in the nucleus (which is the same as the number of electrons in the atom.)
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| Mass number | Electron= 0 proton and neutron= 1
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| Atomic Mass | determined by comparing it with the mass of carbon-12 atom
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| Ions | is an atom that has a positive or negative charge
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| Isotopes | atoms of the same element that have different masses
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| Finding protons, neutrons, and electrons from 16/8 O 2- |
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| Electromagnetic Spectrum | what all the forms of electromagnetic radiation form together.
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| Speed of light | Symbol: c
3.00x10^8 m/s
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| Ground State | Lowest energy state of an atom
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| Excited state | an atom has a higher potential energy than its ground state
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| Heisenberg | uncertainty principle- impressible to determine symetaniloc
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| Line emission spectrum | split pink light into separate colors
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| s,p,d,f sublevels | S: sphere, P: Peanut, D: Daisy, F: all different
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| Electron configurations |
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| Mendeleev | table when, elements w/ similar properties are grouped together predicted existence for others and connect
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| Moseley | arranged elements accuracy to atomic number instead of atomic mass
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| Periods | Row (horizontal)
Varies in properties, but the closer to one another the more similar
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| Groups | Columns (vertical)
Similar chemical properties
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| Element type locations on the periodic table |
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| Atomic Radius | half the distance between the nuclei of identical atoms that are bounded together
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| Ionic radius | the sun of the cation and anion gives the electron from a natural energy of an element
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| Ionization energy | he energy required to remove one electron from a neutral energy of an element
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| Electronegativity | Measure of ability of atom in chemical compound to attract electrons from another atom in a compound.
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| Octet rule | all elements want the same chemical stability so atoms tend to gain, loose, or share electrons to have 8 electrons total
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| Mole Calculations | cation- pos losing electrons
Anion- neg gaining electrons
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| What are the key differences between science and religion | Science has errors, dynamic, mans best effort
Religion is perfect, never changing, God's best word
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| How does the development of the atomic theory show that science is dynamic? | The atom theory was always changing as we learned more.
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| How does the law of conservation support our view of God? | energy can not be created or destroyed, only God can create, destroy we cannot play God.
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| Where do the colors in neon lights come from? | wavelength and frequency
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| The principal quantum number | Symbol: n, indicates the main energy level occupied by the electron
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| The angular momentum Quantum number | Symbol: l, indicates shape of orbital (represented with more letters than numbers)
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| Magnetic quantum number | Symbol: m, indicates the orientation of the orbital around its nucleus
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| Spin quantum number | Only has two possible values (+1/2, -1/2) which indicates the two fundamental spin states of an electron in an orbital
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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.
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