Chapter 2- The Chemistry of Life Flashcards
(8 cards)
1
Q
What are the 6 bulk elements?
A
Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus, and Sulfur
2
Q
What percent of living material do the bulk elements make up?
A
95%
3
Q
Smallest unit of matter capable of retaining the identity of an element during a chemical reaction
A
Atom
4
Q
Substance that cannot be broken down into simpler substances during a normal chemical reaction
A
Element
5
Q
How many naturally occurring elements are there
A
98
6
Q
How many artificially occurring elements are there
A
20
7
Q
What are atoms made of?
A
Protons and neutrons located in the nucleus and electrons located in the cloud
8
Q
A
