mixtures
evenly mixed
homogeneous
which is NOT an element: carbon, water, oxygen
water
compounds are made by combining two or more different _____________ together.
elements
pH of a strong acid
0 or 1
pH of a strong base
pH 13-14
another name for homogeneous
solution
what two elements combine to form water
hydrogen and oxygen
the atoms of a compound form bonds from their ______________.
electrons
pH of a weak acid
pH 6
pH of a weak base.
pH 8
unevenly mixed
heterogeneous
elements have all ______ of the same kind
atoms
which is NOT a compound, water, oxygen or carbon dioxide?
oxygen
Which is not an acid, soap, orange juice, or soda?
which is NOT a base; window cleaner, lemon juice, dish detergent?
lemon juice
solution of nitrogen, oxygen and carbon dioxide
air
the smallest piece of an element
one atom
compounds have ___________ properties than the elements that make it up.
different
Acids taste_____________.
sour
Bases taste ____________.
used to separate a dissolved solid from a liquid
evaporation
(T/F) all the atoms of the same element have the same atomic number
True
How many atoms are in the compound H2SO4
7 total, 2 hydrogen, 1 sulfur, 4 oxygen
Acids are corrosive when placed on ____________.
metal
An acid combined with a base produces what two compounds?
water and a salt