Chapter Two Flashcards
1
Q
What is matter all composed of?
A
Small particles called atoms.
2
Q
What are atoms?
A
The smallest unit of an element that can participate in a chemical change.
3
Q
How are all elements characterized?
A
They each contain a single of type of unique atom which has a mass that is also a characteristic of the element.
4
Q
What dose a macroscopic sample of an element contain?
A
A large number of of atoms having identical chemical properties.
5
Q
How can we tell each elements from each other.
A
They each contain atoms of different properties.
