10.7 MORE ABOUT STRUCTURES Flashcards
(7 cards)
1
Q
What bond is between non-metals and metals?
A
Ionic bond
2
Q
What bond is between non-metals and non-metals?
A
Covalent bonds
3
Q
What bond is between metals and metals
A
Metallic bond
4
Q
What is giant metallic structure?
A
Three-dimensional pattern of positive metal-ions held together by moving electrons
5
Q
What are the physical properties of metallic bonding?
A
- High strength
- High melting point
- Moving electrons allow metals to conduct electricity
6
Q
What are alloys?
A
A combination of different elements and is a metal made my mixing two or more metals, or a metal and another substance
7
Q
Why are alloys better than metals?
A
There are different sizes of atoms in alloys, making it difficult for the layers to slide over each other, thus alloys are stronger in strength than the metal from which they are made
