Vocabulary
Atoms
Chemical Formula
Chemical Equations
Models
100
The basic unit of an compound is called _____________.
molecule
100
The basic unit of an element is called ___________.
Atom
100
_________________ represent chemical formulas
Compound
100
What are the two parts of a chemical equation?
Reactant and product
100
Representations of the natural world is called __________.
Scientific model
200
Two or more substances that do not chemically combined is called _______________.
Mixture
200
________represents chemical symbols
Elements
200
What makes up chemical formulas?
chemical symbols and subscripts
200
The substances that is used before a chemical reaction occurs is the ____________.
Reactant
200
What are the three types of models
Physical, mathematical and conceptual
300
A substance that cannot be broken down into simpler substances is called ____________.
Element
300
What represents chemical symbols?
Elements
300
Fe2 how many Fe____________
2
300
The substance used after the chemical reaction occurs is the ___________________.
Product
300
A skeletal system display is an example of ___________
physical model
400
Two or more elements that are chemically combined is called _________________.
Compound
400
Elements are listed on the _________________.
Periodic table
400
H20 how many oxygen?
1
400
What is listed on the left-side of the periodic table?
Metals
400
comparing the structure of Earth to a peach is an example of _____________________.
Conceptual model
500
Two or more metals mix together is called _____________.
Alloy
500
Identify the three subatomic particles of an atom
Protons neutrons and electrons
500
Shiny, solid at room temperature and conductor of heat and electricity, all these are characteristics of _______________.
Metals
500
what is listed on the right0side of the periodic table?
Nonmetals
500
what two subatomic particles are located in the atomic nucleus ____________.
protons and neutrons
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