The periodic Table Flashcards
1
Q
Properties of metals
A
- Hard
- Shiny
- good conductor of heat and electricity
- high density (heavy for size)
- hard to stretch
2
Q
What is a compound?
A
A thing that is made of two or more separate elements and is chemically combined. It is hard to separate.
3
Q
What is a mixture?
A
A mixture is a material made up of two or more different substances that are mixed but not chemically combined.
4
Q
Where is the line that separates non-metals and metals?
A
The line starts underneath Boron and goes down as a zigzag.
5
Q
What is an element?
A
- A substance that cannot be broken down into simpler substances.
