This is how many electrons an atom of VANADIUM has.
What is 23 ?
100
The alkaline earth metals are this group on the periodic table.
What is Group 2.
100
This phase of matter has no definite shape, but does have a definite volume.
What is a liquid?
100
This is a particle that has a different number of protons and electrons.
What is an ion?
100
This is the atomic radius of an atom of carbon.
What is 75pm ?
200
This is how many electrons the P-3 ion has.
What is 18?
200
Of the three properties - electronegativity, ionization energy, and atomic radius - this is the only one which DECREASES as you move from left to right across a period.
What is atomic radius?
200
This is the phase transition that occurs below:
CH4(s) --> CH4(g)
What is sublimation?
200
This is the average kinetic energy of a sample.
What is temperature?
200
These are atoms of the same elements that have different number of neutrons, and different atomic masses.
What are isotopes?
300
This is how many neutrons that an atom of C-13 has.
What is 7 ?
300
These bonds involve the transfer of electrons.
What are ionic bonds?
300
This is the melting point of H2O in degrees Celsius.
What is 0?
300
This is the ability of an atom to attract electrons.
What is electronegativity?
300
During these, the temperature of a substance stays the same and the potential energy changes.
What are phase changes? (Naming a single phase change is also correct)
400
2-5-2 is an excited state electron configuration for this atom.
What is fluorine?
400
These bonds hold F2 together.
What are nonpolar covalent bonds?
400
This is the equation needed to determine the amount of energy needed to boil a sample of H2O(l) that is at the boiling point.
What is q=mHv ?
400
This halogen has the highest electronegativity.
What is fluorine?
400
This is the most likely place to find an electron in the wave-mechanical model.
What is an orbital?
500
After this famous experiment, we learned that an atom is mostly empty space & contains a small, positively charged nucleus.
What is Rutherford's Gold Foil experiment?
500
This is the chemical formula for zinc hydroxide.
What is Zn(OH)2 ?
500
This is 260K in degrees Celsius.
What is -13 oC ?
500
This is the temperature at which all molecular motion stops.
What is absolute zero (OK, -273C)?
500
These were the particles that were fired at the gold foil during Rutherford's experiment.