Composition Of Mater Flashcards
Properties of mater?
Physical properties
Chemical properties
Substances composed of only one type of matter are called?
Elements
The smallest piece that an element can be broken into while retaining all the properties of an element is?
Atom
The smallest partial into which a compound can be broken down while retaining its unique property is?
Molecule
What is a compound?
It’s when elements bond or combine with other elements.
How many valence electrons are in a copper atom?
1
Once an electron leaves the valence shell it becomes a?
Free electron
Conductors have how many valence electrons?
1-3
Insulators have ____ many electrons?
5 or more
Semi-conductors have____ electrons?
4
What is an ion?
An atom that had gained or lost electrons.
What are the four states of matter?
Solid
Liquid
Gas
Plasma