Basic Chemistry: Honors Flashcards
1
Q
Why is it so important to have a basic understanding of chemistry before we start studying biology?
A
To understand our body more.
2
Q
Chemistry
A
The study of matter
3
Q
Matter
A
anything that takes up space and has mass
4
Q
a substance that cannot be broken down by ordinary(physical) means. Chemical reactions can change elements into other elements.
A
Element
5
Q
How many elements occur in nature?
A
92
6
Q
How many of the 92 natural elements are man made?
A
25
7
Q
96% of living matter is made up of what?
A
Carbon (C)
Nitrogen (N)
Oxygen (O)
Hydrogen (H)
8
Q
A
