Definitions
Scientists and Rules
Names and Formulas
Periodic Trends
Balance the Equation
100
The difference between accuracy and precision.
What is accuracy is how close a measurement is to the accepted value and precision is how close a series of measurements are to each other?
100
Created the Periodic Table by organizing elements by INCREASING ATOMIC MASS.
Who is Dmitri Mendeleev?
100
This is the formula for the polyatomic ion: Phosphate [with the charge].
What is PO₄³⁻ ?
100
On the Periodic Table, as you move to the right, the atomic radius _____.
What is shrinks/decreases?
100
Fill in the blanks: 2Al (s) + 3CuCl2 (aq) --> _Cu (s) + _AlCl3 (aq).
What is 3 and 2?
200
Anything that occupies space and has mass (3 states).
What is matter?
200
Created the Periodic Table that we use today by organizing elements by INCREASING ATOMIC NUMBER.
Who is Henry Moseley?
200
This is the formula for the polyatomic ion: Ammonium [with the charge].
What is NH₄⁺ ?
200
The lower the ionization energy, the ______ it is to remove an electron from an atom.
What is easier?
200
Fill in the blanks: _H2O (l) --> _H2 (g) + O2 (g).
What is 2 and 2?
300
A heterogeneous mixture where particles are suspended in the mixture.
What is a colloid?
300
Each orbital can hold TWO electrons with opposite spins.
What is Pauli Exclusion Principle?
300
Name this acid: H2SO4.
What is sulfuric acid?
300
This trend is the same trend as ionization energy.
What is electronegativity?
300
Fill in the blanks: _Al (s) + _H2SO4 (aq) --> Al2(SO4)3 (aq) + _H2 (g).
What is 2, 3, and 3?
400
Sometimes called "semi-conductors" and have properties of both metals and nonmetals [form "stairs" between metals and nonmetals on PT].
What is a metalloid?
400
Aufbau Principle [also called "Lazy Tenant Rule"].
What is electrons fill the lowest energy orbitals first?
400
Name this organic compound: C9H18.
What is nonene?
400
When atoms ______ electrons, they become positive and get ______.
What is lose and smaller?
400
Fill in the blanks: _HCl + _Na2CO3 --> _NaCl + _H2O + _CO2.
What is 2, 1, 2, 1, 1?
500
A type of reaction that is exothermic and usually takes place with oxygen and an organic compound.
What is a combustion reaction?
500
Hund's Rule [also called "Empty Bus Seat Rule"].
What is within a sublevel, one electron is placed per orbital before pairing them?
500
Formula for Iron (II) Nitride.
What is Fe(NO3)2?
500
On the Periodic Table, this trend increases as you move to the left but decreases as you move right starting from group 5a.
What is ion size?
500
Fill in the blanks: _Zn + _HNO3 --> _Zn(NO3)2 + NH4NO3 + _H2O.
What is 4, 10, 4, 3?