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Structure of Matter
Elements and Compounds
Chemical Reactions
Mixtures
Chemistry Labs
100
positively charged particle in the nucleus of an atom
What is proton?
100
the symbol for this element is Fe
What is iron?
100
substance formed when two salt solutions chemically react
What is a precipitate?
100
mixture in which one substance is dissolved in another
What is a solution?
100
a common acid used in some battery labs as well as in chemistry labs such as the mystery mixture lab
What is vinegar?
200
particle in the nucleus of an atom that has no charge
What is a neutron?
200
hydrochloric acid is made up of these two elements
What is hydrogen and chlorine?
200
reaction in which the nuclei of two atoms are combined
What is fusion?
200
in a salt water solution, the water would be this
What is the solvent?
200
safety equipment that must be used when using a flame to heat substances
What are goggles?
300
two or more atoms that are chemically combined
What is a molecule?
300
table salt is made up of these two elements
What is sodium and chlorine?
300
substances that you start with in a chemical reaction
What are reactants?
300
mixture in which different substances that have been mixed together can be easily seen
What is heterogeneous?
300
type of fuel used in the burners that we are using in chemistry labs
What is alcohol?
400
two or more elements that are chemically combined
What is a compound?
400
type of compound that always contains carbon and hydrogen
What is organic compound?
400
type of reaction shown here: Zn + 2HCl -------> ZnCl₂ + H₂
What is single replacement?
400
in a sugar and water solution, the sugar would be this
What is the solute?
400
a common base used in baking that is combined with vinegar to cause a chemical reaction
What is baking soda?
500
this number is equal to the number of protons or electrons in an atom of an element
What is the atomic number?
500
this is a representation of elements and number of atoms of each element in a compound
What is a chemical formula?
500
three products in an acid/base reaction
What is water, salt and a gas?
500
an increase in this would decrease the amount of time needed for one substance to dissolve in another
What is temperature or energy?
500
two substances that are produced during combustion reactions such as the burning of fuel for heating substances in lab
What is carbon dioxide and water?