| PERIODIC PROPERTIES | ||
| #1 | WHAT ARE THE ELEMENTS IN THE CIRCLED AREA CALLED?
|
METALLOIDS |
| #2 | WHICH ATOM HAS THE LARGER IONIZATION ENERGY?
Mg (Magnesium) or N (Nitrogen)
|
NITROGEN |
| #3 |
WHAT'S THE SYMBOL FOR AN ION THAT CONTAINS 34 PROTONS AND 36 ELECTRONS? |
Se2- |
| #4 |
WHAT IS THE TOTAL NUMBER OF VALENCE ELECTRONS IN AN ATOM OF Ba? |
2 |
| #5 |
WHAT IS THE DEFINITION OF ELECTRON AFFINITY? |
THE NEUTRAL ATOM'S LIKLIHOOD OF GAINNING AN ELECTRON. |
| REDOX REACTIONS | ||
| #1 |
COMPLETE THE SENTENCE:
REMOVING THE SPECTATOR IONS OF AN EQUATION LEAVES YOU WITH THE ?
|
NET IONIC EQUATION |
| #2 |
WHAT IS THE OXIDATION NUMBER OF Mg IN THE COMPOUND MgO?
|
2+ |
| #3 |
HOW MANY ELECTRONS MUST BE ADDED, AND TO WHAT SIDE DO YOU ADD ELECTRONS TO BALANCE AND COMPLETE THE HALF-REACTION?
Cl2 → 2 Cl- |
ADD 2 ELECTRONS TO THE REACTANT (RIGHT) SIDE
Cl2 + 2 e- → 2 Cl- |
| #4 |
IN THE FOLLOWING HALF-REACTION, WHICH REACTANT IS BEING REDUCED?
Mg(s) + Cl2 (g) → MgCl2 (s) |
CHLORINE GAS (CL2) IS BEING REDUCED. |
| #5 |
Would you use an oxidizing agent or reducing agent in order for the following reactions to occur?
Mn2+ |
OXIDIZING AGENT |
| NOMENCLATURE | ||
| #1 |
WHAT IS THE NAME OF THE FORMULA?
|
SILICON TETRACHLORIDE |
| #2 |
WHAT IS THE FORMULA OF Tetraphosphorus Hexoxide ? |
P4O6 |
| #3 |
WHAT'S THE FORMULA OF ANTIMONY PENTAFLOURIDE? |
Sb2F5 |
| #4 |
WHAT'S THE NAME OF THE FORMULA?
|
IRON (III) PHOSPHATE |
| #5 |
IS THE FOLLOWING COMPOUND IONIC OR COVALENT ?
NH4OH |
IONIC |
| THERMODYNAMICS | ||
| #1 |
TRUE or FALSE?
TEMPERATURE HAS NO EFFECT ON EQUILIBRIUM. |
|
| #2 |
EXOTHERMIC OR ENDOTHERMIC REACTION?
|
EXOTHERMIC |
| #3 |
WHAT IS THE SIGN (+/-) ON ΔG FOR A SPONTANEOUS PROCESS? |
NEGATIVE
-ΔG = SPONTANEITY |
| #4 | TRUE OR FALSE?
AT EQUILIBRIUM THE CONCENTRATIONS OF REACTANTS AND PRODUCTS NO LONGER CHANGE. |
|
| #5 |
WHICH LETTER REPRESENTS THE ACTIVIATION ENERGY OF THE REACTION?
|
|
| RANDOM | ||
| #1 |
WHAT ARE THE NAMES OF THE THREE SUBATOMIC PARTICLES ? |
PROTON, NEUTRON, ELECTRON |
| #2 |
PREDICT THE THREE DIMENSIONAL SHAPE OF THE FOLLOWING MOLECULE.
|
Trigonal Planar |
| #3 |
What is 32°C in Kelvin?
(3 Sig Figs) |
K= 273.15 + 32°C
305 K |
| #4 |
PHYSICAL or CHEMICAL CHANGE?
DECOMPOSING WATER BY PASSING AN ELECTRIC CURRENT THROUGH IT. |
CHEMICAL CHANGE |
| #5 |
WHAT DOES THE Z REPRESENT IN THE ISOTOPE NOTATION?
|
Z = ATOMIC NUMBER |
| Final Question | |
What is the mass in grams of 2.68 * 1022 atoms of uranium? |
10.6 g Uranium
(2.68 * 1022 atoms) * (1 mol/6.022*1023 U atoms) * (238.029 g U/1 mol U) |
MnO
