Set: Chemistry Review

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All 29 Terms

Term Definition
health blue msds
flammability red msds
reactivity yellow msds
other warning white msds
A and W always add acid to water
density mass/volume
smallest# of significant digits multiplication and division
smallest decimal addition and subtraction
fluid substance that can flow and therefore take the shape of its container; a liquid or gas
vapor the process by which a liquid or solid changes to a ---> gas
physical properties characteristic that can be observed or measured without changing the identity of the substance
chemical properties ability of a substance to undergo a change that transforms it into a different substance
precision a closeness of a set of measurements of the same quantity mode in the same way
accuracy the closeness of measurements to the correct or accepted value of the quantity measured
chemical reaction solid formed, color change, heat given off, a gas formed
proton atomic number
electron proton
protons and neutrons mass number
isotope atoms of the same element that have different masses
dalton atomic theory in 1808
rutherford discovered the nucleus in 1914. Proposed atoms are mostly empty space, atmos have a very dense positive core, electrons are found outside the dense nucleus
bohr electrons have specific spaces, orbits are elliptical like planets areound the sun, electrons give energy off when the jump back and forth between energy levels
schroninger energy levels 1 - 7, spdf, orbitals contain 2 electrons spinning in opposite directions
heisenberg proposed heisenberg's uncertainty principle
heisenberg's uncertainty principle states that it is impossible to determine simultaneously both the position and velocit of an electron or any other particle
chadwick Discovered the neutron
thompson discovered the electron
crooke invented crookes tube and tested cathode rays
millikan oil drop experiment charge to mass ratio
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Set Information

Terms 29
Creator silentpancake
Created October 19, 2007
Groups None
Tags mrs, st, john
Access Anyone
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Description

Know safety rules.
(It's common sense)
Know significant digits.
Know properties of the states of matter.

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Most Missed Words

  1. smallest# of significant digits → multiplication and division - 1 miss
  2. smallest decimal → addition and subtraction - 1 miss
  3. physical properties → characteristic that can be observed or measured without changing the identity of the substance - 1 miss
  4. precision → a closeness of a set of measurements of the same quantity mode in the same way - 1 miss
  5. isotope → atoms of the same element that have different masses - 1 miss
  6. bohr → electrons have specific spaces, orbits are elliptical like planets areound the sun, electrons give energy off when the jump back and forth between energy levels - 1 miss
  7. schroninger → energy levels 1 - 7, spdf, orbitals contain 2 electrons spinning in opposite directions - 1 miss