Molar Mass
Definitions
Basic knowledge
100
what is the molar mass of Na2CO3
106 g/mole
100
what is molar mass?
the number of atoms times the mass in an equation
100
what is in the nucleus of an atom
protons and nuetrons
200
what is the molar mass of Fe2O3
159.7 g/mole
200
what is a proton
a positive charge
200
what is molar mass measured in
g/mole
300
what is the molar mass of AgNO3
169.9 g/mole
300
what is a neutron
a neutral charge
300
why do you need 8 valence electrons
to be stable
400
what is the molar mass of Pb(Cr2O7)2
639.2 g/mole
400
what is an electron
a negative charge
500
what is the molar mass of Ca(ClO4)
239.1
500
what is the octet rule?
valence electrons should be equal to 8 to be stable when bonded
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