Show:
Physical, Chemical, Intensive, and Extensive Properties
The Atom
Periodic Table and Trends
Types of Chemical Bonds
Thermo
Chemistry
100
matter is anything that has ____ and takes up space
What is mass
100
Since Sodium has an atomic number of 11, the amount of atoms in its nucleus would be
What is 11 atoms
100
as you go from left to right down a period of the periodic table, atomic mass _____
What is increases
100
a _____ is made up of two or more atoms of the same element
What is a molecule
100
Thermochemistry is concerned with the _____ changes that occur chemical reactions
What is heat
200
the simplest form of matter is an _____, it cannot be separated into simpler substances
What is element
200
the maximum number of electrons the 2P sublevel can contain is
What is 6 electrons
200
a vertical column is called a ____
What is a group
200
a _____ bond always occurs between two nonmetals
What is a covalent bond
200
if a chemical reaction gives off heat, it is classified as an ______ reaction
What is an exothermic reaction
300
the rusting of iron is a ______ change
What is a chemical change
300
since Potassium (K) has an atomic number of 19 and an atomic mass of 9, the amount of neutrons it has is
What is 20 neutrons
300
the last or 18th group on the periodic table is known as the _____
What is the Noble Gases
300
the polyatomic compound sulfate (SO4) has an oxidation number of ______
What is -2
300
_______ is the amount of heat required to raise 1g of a substance by 1 degree celsius
What is Specific Heat
400
pressure is an _____ property
What is an extensive property
400
the amount of energy required to move an electron from one energy level to the next
What is a quantum
400
Group 2 on the periodic table is known as the ________
What is the alkaline earth metals
400
metallic bonds consist of the attraction of _______ valence electrons, also called a "sea of electrons"
What is free-floating valence electrons
400
a _______ is an insulated device used to measure heat changes
What is a calorimeter
500
any part of a system with uniform composition and properties is called a _____
What is a phase
500
this scientist discovered the electron and used the "plum-pudding model" to describe the atom
Who is J.J. Thompson
500
_________ is the energy required to move an electron from an atom
What is Ionization Energy
500
the weakest type of chemical bond is ______ forces, caused by the motion of electrons
What is dispersion forces
500
the heat absorbed by one mole of a substance in melting is called the molar ________
What is the heat of fusion