Chapter 1
What is chemistry?
The study of matter and its interactions.
What is the symbol for oxygen?
O
What is the difference between a mixture and a solution?
A mixture is not even in composition throughout
A solution is even throughout
What orbital type is shaped like a sphere?
S orbitals
What is analytical chemistry?
The analyzation and characterization of unknown substances.
What is the symbol for chlorine?
Cl
The closeness of a measurement to its true value is known as ____.
Accuracy
What subatomic particle(s) is(are) found in the nucleus?
Proton, Neutron
What orbital type is shaped like a dumbbell/propeller?
P orbitals
What is inorganic chemistry?
The study of all elements excluding carbon.
Precipitate Formation
Gas formation
Color Change
Energy Transfer
Which of the following measurements is expressed to three significant figures?
0.012
0.405
1.3
0.405
What is the lightest subatomic particle?
Electron
What orbital type is shaped like a 4-leaf clover?
D orbitals
What is theoretical chemistry?
The study of the theoretical principles of chemistry that may not have an immediate purpose outside of increasing our knowledge.
Describe the shape and volume of a solid material.
Shape = Defined
Volume = Defined
The United States is around 4,506,000 meters wide. What is this number expressed in scientific notation?
4.506 x 106 meters
What is atomic number?
The number of protons in the nucleus of an atom.
What do we mean by wave-particle duality?
Electrons and other small subatomic units may exist simultaneously as a wave and a particle
What is physical chemistry?
The study of the physics principles that govern chemical reactions and chemical behavior.
Describe the shape and volume of a liquid material.
Shape = Undefined
Volume = Defined
The closeness of a measurement to a series of related measurements is called?
Precision
What is an isotope?
Atoms of the same element that vary in the number of neutrons in the nucleus.
What is electron configuration?
A representation of the relative energies and locations of electrons around the nucleus of an atom