Lewis Structures and Shapes
What is the number of atoms bonded to the central atom of this structure? O C O
2 atoms
What is the Periodic symbol for Iron?
Fe
What are the 5 chemical reactions?
Synthesis, Decomposition, Single n Double Replacement, and Combustion
_ Ca + _ S2 -> _ CaS
2 , 1 , 2
How many atoms must be bonded to a trigonal planar shape Lewis dot structure?
3 atoms
What group number is Bromine
Group 17
What kind of Chemical reaction is this? H+O=HO
Synthesis
_H20 -> _H2 + _02
2, 2, 1
What are the 5 shapes a Lewis dot structure could be?
linear, Trigonal Planar, Tetrahedral, Bent, and Trigonal Pyramidal
What is the biggest group of elements?
Transition Metals
What kind of chemical reaction is this? AB + CD -> AD + CB
Double Replacement
_MgO -> _Mg + _O2
2, 2, 1
What is the shape of this Lewis dot structure,? O C O
Linear
What element is both a solid and a liquid depending on the temperature?
Mercury
What kind of bond always comes out of combustion?
CO2
_Na + _N2 -> _Na3N
6, 1, 2
When one atom in a Lewis dot structure can bond to the central atom more than once, what kind of bond does it form?
Double Bond
What is the most reactive element?
Fluorine
What kind of chemical reaction is this? AB -> A+B
Decomposition
_P + _O2 -> _P2O5
4, 5, 2