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Atomic Structure, Models, and Theory
Periodic Table and Trend
Chemical Bonding, Structures, and Names
Stoichiometry
Chemical Reactions
100
protons, neutrons, and electrons
What are the 3 basic components of an atom?
100
Hydrogen
What is the first element on the periodic table?
100
a shared electron pair
A covalent bond consists of ______.
100
3 moles H20 / 3 moles HCl
For the reaction PCl3+3 H20 --> H3PO3 + 3 HCl, what is the mole ratio for H20/HCl?
100
synthesis, decomposition, single replacement, and double replacement
What are the 4 types of chemical reactions?
200
protons
An element is determined by the number of ______.
200
Ae
What is the chemical symbol for gold?
200
protons
A chemical bond between atoms results from the attraction between electrons and _____.
200
1 mole O2 / 2 moles H2
For the reaction O2+2 H2 --> 2 H20, what is the mole ration for O2/H2?
200
True
Baking a cake is a chemical reaction, true or false?
300
nucleus
What is the center of an atom called?
300
Potassium
K is the chemical symbol for which element?
300
do not break
When a metal is drawn into wire, the metallic bonds ____.
300
1 mole Fe2O3 / 1 mole Al2O3
For the reaction Fe2O3 + 2 Al --> 2 Fe = Al2O3, what is the mole ration for Re2o3/Al2O3?
300
Color, temperature, or state of matter
During a chemical reaction there can be an unexpected change in...?
400
negatively
J.J. Thomson's experiments provided evidence that an atom contains ______ charged particles.
400
formula unit
The notation for sodium chloride, NaCl, stands for one ___.
400
polar covalent
What is the bond that forms sulfer dioxide gas?
400
Limiting reactant
What is the name given to the substance that controls the quantity of product that can form in a chemical reaction?
400
What it is unexpected.
When is color change considered a chemical reaction?
500
planets orbiting the sun
In Niel Bohr's model of the atom, electrons move like what?
500
atomic number
The elements on the periodic table are arranged by increasing ____.
500
ionic
What is the type of bond that forms sodium sulfate?
500
theoretical yield
What is the name given to maximum amount of product that can be made from the limiting reactant?
500
It produces a new substance, a gas. Carbon dioxide.
Mixing vinegar and baking soda is considered a chemical reaction because why?