Vocabulary
Matter
What is something that has mass & volume/ takes up space?
Particle diagram of a solid.
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convert 30 km to mm
30,000,000 mm OR 3x107 mm
Density of 34.9 g of substance with a volume of 4.00 cm3
8.73 g/cm3
Proton charge
positive (+)
Law of Conservation of Mass
What is matter cannot be created or destroyed?
Phase change when a gas turns into a solid.
What is deposition?
10.00 mm3 to mL
0.01000 mL
Mass of 25 mL of substance.
25 g
For now, elements have the same number of
protons, neutrons, and electrons
Molecule vs Compound
What are..
molecules are two or more atoms chemically bonded together.
compounds are two or more different elements bonded together
DAILY DOUBLE: Are all molecules compounds or all compounds molecules???
C--> D
What is a Solid?
12,345 ft to mi
2.3381 mi
Mass: 345.94 g
Final volume: 503.8 mL
Initial volume: 105.2 mL
Volume of ring: __________
Density: __________
Volume of ring: 398.6 mL
Density: 0.8679 g/mL
List the 3 subatomic particles & their masses
proton, 1 amu
neutron, 1 amu
electron 1/200th amu
Accuracy vs Precision
What are...
accuracy is how close you are to the correct/accepted answer
precision is how consistent you are/ how repeatable something is
Particles lose kinetic energy and cannot overcome attractive forces anymore.
What is condensation?
34.68 m/s to mi/hr
77.58 mi/hr
Oobleck has a volume of 57.89 cm3 and a density of 4.35 g/cm3. What is the mass?
252 g
List: the scientist that discovered electrons, the experiment he conducted, and the atomic model he made
JJ Thompson
cathode ray tube
plumb pudding model
Density
What is the relationship between mass and volume?
Melting explained at the particle level (including energy).
What is in solid state particles, vibration intensifies until particles have enough energy to break the lattice and move freely?
54.689 g/mL to lbs/ft3
3414.1 lbs/ft3
Draw the density model of 5 mL of a substance with a density of 5.7 g/mL.
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Name the scientist who said we don't know where electrons are at a given time, and name the area where we find electrons in the atom
Erwin Schrödinger
orbitals OR electron clouds