Branches of Chemistry
What is the science of obtaining, processing, and communicating information about the composition and structure of matter?
Analytical Chemistry
The third step in a scientific method is defining a _______.
problem
What refers to anything that has mass, takes up space (volume) and possesses inertia?
Matter
Who mentioned that the atom is a tiny, hard, indestructible sphere.
John Dalton
What refers to the number of protons in the nucleus?
Atomic Number
What branch explores the chemical processes within and related to living organisms?
Biochemistry
What is a model or a way of looking at nature that can be used to explain and make further predictions about natural phenomena?
Theory
This is a type of pure substance that is composed only of 1 type of atom.
Elements
According to Thomson, cathode rays consist of a stream of _______charged particles.
negatively
How many elements are there in the periodic table?
112
What is the study of concepts of physics such as motion, energy, force, time, thermodynamics, quantum chemistry, statistical mechanics, analytical dynamics, and chemical equilibrium?
Physical Chemistry
What is an educated guess to explain an observation; a tentative explanation of a natural law based on observation?
Hypothesis
What are the two types of mixtures?
Homogeneous and Heterogeneous
Who proposed that electromagnetic radiation is itself quantized?
Albert Einsetein
What is the collective term of Group 18 in the table?
Noble Gases
Organic Chemistry is the study of the _____, properties, composition, reactions, and preparation of carbon-containing compounds.
structure
What consists of general observations about the system?
Qualitative
What are the three special forms of matter based on the arrangement of particles and the degree of cohesiveness?
Crystalline Solids, Amorphous Solids, Liquid Crystals
In Bohr’s Solar System Model of the Atom, the electrons move about the _____ in certain circular orbits.
nucleus
What are compounds formed between metals and nonmetals?
Ionic Compounds
Inorganic Chemistry deals with synthesis and behavior of inorganic and ________ compounds.
organometallic
Observation or Inference? I might be late in my dinner date.
Inference
What are the 6 properties of matter?
Extensive, Intensive, Extrinsic, Intrinsic, Physical, Chemical
What principle states that "There is a fundamental limitation to just how precisely we can know both the position and the momentum of a particle at a given time."?
Heisenberg Uncertainty Principle
Give the name of the formula HSO4-.
Hydrogen sulfate