Elements
Symbol- O
Oxygen
What are 3 branches of chemistry?
Organic chemistry, inorganic chemistry, and physical chemistry
What is basic research carried out for?
The sake of increasing knowledge.
What are the fundamental building blocks of matter?
Atoms and molecules.
What is a mixture?
A blend of two or more kinds of matter, each of which retains its own identity and properties
Symbol- F
Fluorine
What are 3 branches of chemistry?
Analytical chemistry, Biochemistry, and theoretical chemistry.
What is applied research carried out for?
carried out to solve a problem.
What is an extensive property?
Depends on the amount of matter that is present.
What is a homogeneous mixture?
A mixture that is uniform in composition.
Symbol- Ne
Neon
What does organic chemistry study?
Most carbon containing compounds
What is technological development?
Involves the production and use of products that improve our quality of life
What is an intensive property?
Does not depend on the amount of matter present.
What is an example of a homogeneous mixture?
A salt-water solution
Symbol- P
Phosphorus
What does physical chemistry study?
The properties and changes of matter and their relation to energy
What is an example of basic research?
A study on whether stress causes people to be more aggressive
What is an example of and extensive property?
Volume, mass, and the amount of matter that is present.
What is a heterogeneous mixture?
A mixture that is not uniform throughout.
Symbol- Si
Silicon
What does biochemistry study?
Substances and processes occurring in living things
What is an example of applied research
A study for the cure of cancer
What is an example of an intensive property?
Melting point, boiling point, density, and the ability to conduct electricity and transfer energy as heat.
What is an example of a heterogeneous mixture?
A mixture of clay and water.