Lesson 1.3 vocab Flashcards
1
Q
atom
A
The smallest unit of an element that has all the chemical properties of that element
2
Q
chemical formula
A
a set of symbols used to describe the elements within a substance
3
Q
chemical symbol
A
the one- or two-letter representation of an element; symbols are often derived from the Latin name of the element
4
Q
compound
A
a pure substance that is formed when two or more different elements combine; can usually be separated into component elements by chemical reaction
5
Q
element
A
a pure substance that cannot be broken down into simpler substances by chemical reactions
6
Q
molecule
A
Two or more atoms joined together (related word; molecule)
7
Q
polymer
A
A large molecule that is made of small molecules that are arranged in a repeating structure
