Chapter 2 - Chemistry Of Life Vocab Flashcards
0
Q
Elements
A
Substances that cannot be broken down by chemical reaction.
1
Q
Matter
A
Anything that takes up space
2
Q
Atoms
A
The smallest unit of matter that still retains the properties of an element.
3
Q
Subatomic particles
A
Neutrons No net charge Protons Positive charge Electrons Negative charge
4
Q
Isotopes
A
Different number if neutrons in the same elements
5
Q
Valence shells
A
Outer most shell containing electrons
6
Q
Valence electrons
A
Electrons representing the outermost shell
Determine the characteristics of the element
7
Q
Compounds
A
Consisting of two or more different elements.
8
Q
Ionic bonds
A
Transfer of electrons from one atom to another
9
Q
Ions
A
Can either be action or anion
10
Q
Cation
A
Had a positive charge
11
Q
Anion
A
Has a negative charge ion
12
Q
Covalent bond
A
Electrons are shared
Strongest bond
13
Q
Hydrogen bond
A
Slight attraction between a positive hydrogen atom and a negative atom
