Chemical Equations
Subatomic Particles
Atoms/Elements
Periodic Table
More Equation Stuff
100
The 2 in 4H20.
What is a subscript or number of hydrogen atoms?
100
Positively charged subatomic particles
What is a proton?
100
The smallest particle of an element that has all the properties of the element.
What is an atom?
100
Element name, symbol, atomic #, atomic mass, group, period, electron configuration, class....
What are things you can tell about an element from the periodic table?
100
2Na + Cl2 ----> 2NaCl
What is a synthesis reaction? (balanced)
200
The 4 in 4H2O.
What is a coefficient or number of H2O molecules?
200
Negatively charged subatomic particle.
What is an electron?
200
A pure substance made up of only one type of atom.
What is an element?
200
The # of protons for an atom of an element. The periodic table is organized by this.
What is the atomic number?
200
2 types of reactions where temperature changes
What is an exothermic or endothermic reaction?
300
4H2O.
What is 4 molecules of water?
300
The subatomic particle with no charge (neutral)
What is a neutron?
300
An atom that has a different number of protons and neutrons
What is an isotope?
300
A vertical column of elements on the periodic table.
What is a group or family?
300
CaCO3 -----> CaCO + CO2
What is a decomposition reaction? (Not balanced)
400
The Fe + CuSO4 in this equation: Fe + CuSO4 ------> FeSO4 + Cu
What are reactants?
400
Where neutrons and protons are found.
What is the nucleus of an atom?
400
An atom that has more protons than electrons
What is positive ion?
400
A horizontal row on the periodic table
What is a period?
400
Li + HCl ------> LiCl2 + H2
What is a single replacement reaction? (not balanced)
500
The FeCl2 + H2S in the equation: FeS + 2HCl ----> FeCl2 + H2S.
What is the product?
500
Found in constant motion traveling around the nucleus of an atom
What is an electron?
500
An atom that has more electrons than protons?
What is a negative ion?
500
Atomic mass, mass number, atomic weight.
What are different ways for calculating nuclear mass?
500
NaOH + HCl -----> NaCl + H20
What is a double replacement reaction? (balanced)
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