Chemistry 2.2.8

Question 1

Why are Metallic Bonds very Strong?

Answer 1

Because of the Strong Attraction between the Positive Metal Ions & the Negative, Delocalised, Electrons within the Metal Lattice Structure.

Question 2

Metals have very ___ MPs & BPs.

Answer 2

High.

Question 3

Metals are usually ___ in Water.

Answer 3

Insoluble.

Question 4

Metals are ___ Conductors of Heat & Electricity. Why?

Answer 4

Due to the Delocalised Electrons, which can Carry Charge.

Question 5

Why are Metals Malleable?

Answer 5

Because the Layers of Atoms in Metals can Slide over each other.

Question 6

What are ‘Alloys’?

Answer 6

Mixtures of Metals.

Question 7

Alloys are often ___ & ___ than the Metals that make them.

Answer 7

Harder, Stronger.

Question 8

Why are Alloys often Harder & Stronger than the Metals that make them?

Answer 8

Because the different Metal Atoms are of varying shapes & sizes, so they Distort the Regular Layers, therefore making it harder for the Layers to Slide over each other.