Oxygen
What does H2O stand for?
Water
What is the chemical symbol for Carbon
C
the temperature at which a given solid will melt (or become a liquid)
Melting Point
what is the chemcial formula for carbon dioxide
CO2
A heterogeneous mixture means it is ____ throughout
not the same
In the Law of Conservation of Mass, mass cannot be ___ or ____
created, destoryed
Baking a cake is an example of _____ change
chemcial
the lower the pH, the more ___ the solution
acidic
is bleach a base or acid?
base
The atomic weight is located at the ___ of a element's square
bottom
the higher the pH the more ____ the solution
basic
The temperature at which a liquid boils (or changes to gas)
boiling point
chopping wood is an example of ______ change
physical
Melting chocolate is an example of _____ change
physical
How many atoms does the chemcial formula NaHCO3 have?
6
How many atoms does CO4 have?
5
what substance has a neutral pH?
water
Combustibility is the ability to ____
burn
A Homogeneous mixture means it is the _____ throughout
same
The 4 in O4 is called a ______
subscript
In a chemical equation what side of the arrow are the products located on.
right
In a chemical equation what side of the arrow are the reactants located on?
left
a ring rusting is an example of ______ change
chemcial
The atomic number is located at the __ of a element's square
top
How many atoms does NH3 have?
4