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Atomic Structure
Matter
Moles
Vocabulary
Gas Laws
100
the number of protons in a calcium atom
What is 20?
100
physical or chemical change- melting
What is physical?
100
the number of atoms or molecules in a mole of any substance
What is 6.02x10^23?
100
they make up everything (don't trust them!)
What is the atom?
100
kinetic energy is (higher/lower) in the gas state than in the solid state
What is higher?
200
the ion that has 17 protons, 18 electrons and 20 neutrons
What is 20Cl-1?
200
state of matter with particles closely packed and low kinetic energy
What is solid?
200
the molar mass of H2SO4
What is 98.1g/mole?
200
equal to the number of protons in an atom; found on the periodic table
What is the atomic number?
200
pressure and temperature are ___________ proportional
What is directly?
300
the particles that change in isotopes
What are neutrons?
300
chemical or physical property- flammability
What is chemical?
300
the mass of 4.8 moles of H2O
What is 86g?
300
the splitting of a larger nucleus into two or more smaller nuclei
What is fission?
300
the volume of 2.1moles of idea gas that exerts 3.5atm of pressure at 71.9C
What is 17L?
400
the electron configuration for gallium
What is 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p1
400
the temperature at which NaNO3 and KNO3 have the same solubility (and the amount of solubility)
What is 70C and 135g/ 100g H2O?
400
the volume of 1.82 moles of oxygen gas at STP
What is 40.8L?
400
a positively charged atom
What is a cation?
400
the volume _________ when the pressure increases
What is decreases?
500
the shape of an s-subshell and a p-subshell
What is spherical and dumbbell?
500
the amount of heat required to raise the temperature of 85.0g of water (specific heat= 4.184 J/gC) from 17.0C to 51.8C
What is 1.24 x 10^4 J?
500
the number of molecules in 46.3g of Ca(NO3)2
What is 1.70x10^23 molecules?
500
a measure of the pull of an atom on electrons to form a negatively charged ion
What is electronegativity?
500
The pressure of a gas in a 9.1L container at 41.2C if it occupies 15.3L at 17atm and 82.0C.
What is 25atm?