Chemical or physical change
Is the following a chemical or physical change?
Iron rusting
What is chemical
Count the atoms for the following compound.
2N2 O3
What is four Nitrogens and two Oxygens.
What reaction is this.
ZNBr2 ---> ZN + Br
What is decomposition
A bond between two non-metals is called what?
What is covalent
Name the following compound.
P2O5
What is DiPhosphorus Pentoxide
Is the following a chemical or physical change?
Ice melting
What is physical
What type of reaction is this?
Fa + Ca ----> CaF2
What is Synthesis
AgLi is an example of what bond?
What is metalic
Name this polyatomic ion.
HO2
What is Hydroxide
Is the following a chemical or physical change?
Alcohol evaporating
What is physical change
What type of reaction is this?
C12 H26 + O2 ------> H2O + CO2
What is Combustion
Name this compound.
CaO
What is Calcium Oxide
Balance this equation.
___Ag2O ----> ___Ag + ___O2
What is 2Ag2O ---> 4Ag + O2
Balance the following equation.
___K + ___O2 ---> ___K2O
What is 4K + O2 ---> 2K2O
Balance the following equation.
___Mg + ___O2 ---> ___MgO
What is 2Mg + O2 ---> 2MgO
Extra: what is this called
.
•Li•
.
What is Lewis Dot Structure