Atoms and Compounds
Energy and Matter
properties of water
solutions
acids, bases, and pH
100
its something made up of atoms of two or more elements in fixed proportions.
What is a compound
100
the ability to do work.
What is energy ?
100
water
What is H2O
100
a mixture with two different elements.
What is a solution?
100
the power of hydrogen
what is the pH
200
the basic unit of a chemical element
What is an atom
200
anything that occupies space and has mass.
What is matter?
200
H2O
What is the formula for water
200
a process that speeds up a reaction.
What is a catalyst?
200
has more hydronulim ions than hydroxide ions
What is an acid
300
the number of protons in an atom
What is an atomic number
300
energy can only be transferred.
What is it that happens to energy since it is not created or destroyed?
300
polar.
What is a water molecule?
300
something that acts like a catalyst, that also reduces.
What is enzyme?
300
above 7 to 14 on the pH scale
What is the pH scaling for bases
400
it has to be a mixture it cannot be a substance that is alone
What is a characteristic that a compound must have must have?
400
the quantity of matter.
What is mass?
400
100 degrees C, and 0 degrees C
What is the temperature for water to boil, and what is the temperature water freezes?
400
C6H12O6O2 ------> H2O+CO2+ energy
What is an example of a solution?
400
bases taste more bitter and feel slippery, where acids taste sour.
what are some characteristics of bases, and acids
500
proton, neutrons, and electrons
what is the three parts an atom consists of?
500
chemical energy, thermal energy, mechanical energy, and electrical energy.
What are the different types of energy?
500
water can be in water, gas, or liquid forms.
What is some different forms of water?
500
on the right side are reactants, on the left side are products.
What is the on right side of a chemical equation, and what is on the left side?
500
a number on the pH scale that is neutral.
What is 7 on the pH scale if its not an acid, nor a base?
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