CH2 and 3

What are the three different types of bonding in solids?

• Hydrogen, Van Der Waals and Dipole

• Ionic, Covalent and Metallic

• Ceramics, Metals and Polymers

• Interior atom, face atom and corner atom

What are the three different unit cells of Metals?

• Simple cubic, Square cubic and circular cubic

• Gas, Liquid and Solid

• Face centered cubic, body centered cubic and hexagonal close packed

• Atomic, Subatomic and nano-cells

Is the following statement True or False,

Ionic bonding happens when electrons are transferred from one atom to another.

• False

• True

Valence electrons are found in the outermost cell?

• True

• False

How many electrons does Carbon have?

• 6

• 5

• 4

• 7

What element is given in the sketch?

• Hydrogen

• Lithium

• Halogen

• Helium

There are two different atomic models, select the correct ones below

• Bohr Model

• Crystalline model

• Wave Mechanical Model

• Amorphous model

What best describes the term non-crystalline structure?

• Random packing and less predictable material

• Ordered packing and more predictable material

What is an example of a Face centered cubic structure?

• Aluminium

• Steel

• Magnesium

• Titanium

How many atoms/unit cell is in face-centered cubic structure?

• 2

• 4

• 6

• 8