Composition of Matter & Biochemistry (Definitions) Flashcards
1
Q
Elements
A
Unique substances that cannot be broken down into simpler substances by ordinary chemical methods
2
Q
Periodic table
A
Arrangement of chemical elements by order of atomic number, or the number of protons
3
Q
Atoms
A
Basic units of matter; building blocks of life
4
Q
Atomic symbol
A
One or two letter abbreviation for an element
5
Q
Protons
A
Positively charged subatomic particles
6
Q
Neutrons
A
Non-charged subatomic particles
7
Q
Electrons
A
Negatively charged subatomic particles
8
Q
Inorganic compounds
A
Compounds that lack carbon and tend to be small, simple molecules
9
Q
Organic compounds
A
Carbon-containing compounds
10
Q
Metabolism
A
Chemical activity in the body
