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2.4 structure of metals & alloys RISS 12th grade chemistry

Total questions: 11

Worksheet time: 5mins

Name
Class
Date
1.

what are the 2 types of alloys

a)

substitutional

b)

additional

c)

interstitial

d)

intracellular

2.

if boron 84pm and carbon 69pm are combined what type of alloy is created

a)

multicellular

b)

substitutional

c)

partial

d)

interstitial

3.

metals are made of -------- that are embedded in delocalized sea of valance electrons

(a)  

4.

the biggest difference between substitutional and interstitial alloys are

a)

substitutional alloys have a minor size difference while interstitial alloys have a large size difference

b)

substitutional alloys have a major size difference while intercellular alloys have a minor size difference

c)

substitutional are liquds found to be highly conductive while interstitial are liquids that are highly flamable

d)

none of the above

5.

if flourine 64 pm and lithium 121pm combine what type of combination will occur

a)

additional

b)

substitutional

c)

inerstitial

d)

non-corrosive

6.

ionic radius and attraction have a(n) -------- relationship

(a)  

7.

valance electrons have a(n) ---------- relationship with attraction

a)

inverse

b)

equvilant

c)

cumilative

d)

corrosive

8.

type of attraction that holds metal atoms togather

a)

nuclear

b)

atomic

c)

ionic

d)

coloumbic

9.

in an interstitial alloy atoms------ while they---------- in a substitutional alloy

a)

fit in between atoms, stick to the owter surface of metals

b)

are always removed, are always added

c)

fit in between atoms, replace atoms with similar radii

10.

if a metalic bond is made up of a single element it is known as

a)

pure metal

b)

metallic structure

c)

singular alloy

d)

non liquid alloy

11.

if silicon 111pm is added to magnisium 141pm the type of bond will be

a)

iterstitial

b)

substitutional

c)

singular

d)

corroding