2. Chemical Context of Life Flashcards
1
Q
Makes up 96% of living matter
A
Oxygen, Carbon, Hydrogen and Nitrogen
2
Q
Emergent properties
A
A compound with characteristics different from those of it’s elements (ex: water)
3
Q
Isotopes
A
Atoms of a given element with more neutrons than protons
4
Q
Radioactive Isotope
A
Atoms whose nuclei have a tendency to lose subatomic particles; process called DECAY
5
Q
Inert Elements
A
Have complete valance shells and are therefore unreactive
6
Q
Electronegativity
A
Pulls electrons towards it
7
Q
Ion
A
An atom which has gained or lost an additional electron
8
Q
Anion
A
Negatively charged atom which has gained an electron
9
Q
Cation
A
Positively charged atom which has lost an electron
