Definitions + basics of biological molecules Flashcards
1
Q
Atom
A
Basic unit of matter with dense central nucleus and cloud of negatively charged electrons surrounding it
2
Q
Molecule
A
At least two atoms held together by covalent bonds
3
Q
Organic
A
Substances / compounds containing carbon excluding ones with only carbon + oxygen
4
Q
Inorganic
A
Substances/ compounds not containing carbon and the carbon oxides
5
Q
Element
A
Substance made of only one type of atom → all same atomic number
6
Q
Compound
A
Substance made of at least 2 elements chemically bonded together
7
Q
What are the most common elements in living compounds
A
Carbons oxygen hydrogen nitrogen
