Chemical or physical change/properties
This change results in milk souring.
What is Chemical change?
P+O2 Yields P4O10 is this type of reaction.
What is a synthesis reaction?
__N2+__H2=__NH3 is balanced with these numbers.
What 1,3,2?
2569000000 is this in scientific notation.
What is 2.569 x 10^9?
Ra
What is the symbol for Raduim
This property resulted in flammability.
What is chemical Property?
2_ NaBr + _1_ Ca(OH)2 yields ( 1_ CaBr2 + _2_ NaOH) is this type of reaction.
What is a double replacement reaction?
__H2+__O2=H20 is balanced with these numbers?
What is 2,1,2 ?
Make an observation.
What is the first step when your doing scientific notation?
4 shells and -1 valance charge.
What is bromine
This change results in rusting and rotting.
What is chemical change?
4 C5H9O + 27 O2 yields( 20 CO2 + 18H2O is a type of reaction.
What is a combustion reaction?
__P+__O2=__P2O5 is balanced with these numbers.
What is 4,5,2?
.000000246 is this in scientific notation.
What is 2.46 x 10^-7?
Organized by atomic number.
How the periodic table is organized?
This change results in alcohol evaporating.
What is physical change?
Pb + FeSO4 yields PbSO4 + Fe is a type of reaction.
What is a single replacement reaction?
__H2O+__O2=__H2O2 is balanced with these numbers.
What is 2,1,2?
1090000. is this in scientific notation.
What is 1.09 x10^6?
Group 17.
What is Halogens?
Something boiling or melting results in this property
What is physical property Change?
2 NO2 yields 2 O2 + N2 is a type of reaction.
What is a decomposition reaction?
__Ag+__O2=__Ag2O is balanced with these numbers.
what is 4,1,2?
.000000000000567 is this in scientific notation.
what is 5.67 x 10^-13
Number of elements in the periodic table.