Chapter 2.2: Elements Found in Living Systems Flashcards
1
Q
Define valence electrons
A
o Valence Electron- an electron in the outermost energy level of an atom
2
Q
Define octet rule
A
o Octet Rule- rule to describe patterns of chemical bonding in main group elements that require a total of eight electrons to complete their outer electron shell
3
Q
Define organic compounds
A
compounds containing carbon
4
Q
What is an electron in the outermost energy level of an atom?
A
valence electron
5
Q
What is the rule to describe patterns of chemical bonding in main group elements that require a total of eight electrons to complete their outer electron shell?
A
octet rule
6
Q
What are the 12 elements found in living systems more than trace amounts?
A
C, H, O, N, O, S, Na, K, Ca, Mg, Fe, Cl
7
Q
What are the primary four elements of organic compounds?
A
CHON
