Balancing
Na + O --> Na2O
What coefficient should be placed in front on Na to balance the reactions
2
What type of reaction is
Na + Cl --> NaCl
Synthesis
What type of bond is between a metal and a nonmetal
Ionic
The nucleus of an atom contains what?
Protons and neutrons
What coefficient should go in front of iron (Fe) to balance the reaction?
__Fe + 3O2 --> 2Fe2O3
4
What type of reaction?
CaCl --> Ca + Cl
Decompostion
What type of bond is between two nonmetals?
Lithium has how many protons?
3
Is this equation a balanced or not balanced chemical equation?
P4 + O2 → P4O6
NOT balanced
What type of reaction?
Zn + CuCl2 --> ZnCl2 + Cu
Single replacement
Al2O3 has what type of bond?
ionic
Electrons are found where in an atom
What coefficient should be placed in front of water (H2O) to balance the reaction?
Ca + __H2O --> Ca(OH)2 + H2
2
What type of reaction always has oxygen as a reactant and carbon dioxide and water as products?
Combustion
N2O3 has what type of bond?
Covalent
How are Carbon-12 and Carbon-14 different?
They are isotypes. Carbon-14 has 2 more neutrons than Carbon-12
What coefficients need to be added to balance the reaction?
__Ag2O --> __Ag + O2
_2_Ag2O --> _4_Ag + O2
What type of reaction is the following?
2AgNO3 + CuCl2--> 2AgCl + Cu(NO3)2
double replacement
What atomic particles are directly involved in chemical bonding?
Valence electrons
What happens when a sodium atom becomes a sodium ion?
It LOSES an electron