Properties of metals and alloys

Properties of metals and alloys

10th Grade

8 Qs

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Properties of metals and alloys

Properties of metals and alloys

Assessment

Quiz

Chemistry

10th Grade

Medium

Created by

Deeyana Deen

Used 5+ times

FREE Resource

8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

In which row are the elements placed in the correct order of their chemical reactivity, starting with the most reactive element?

A

B

C

D

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which structure represents that of an alloy?

A

B

C

D

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which two elements are the major constituents of brass?

Br and As

Cu and Sn

Cu and Zn

Sn and Zn

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The diagram shows the structure of brass. Why is brass harder than pure copper?

The zinc atoms form strong covalent bonds with copper atoms.

The zinc atoms prevent layers of copper atoms from slipping over each other easily.

The zinc atoms prevent the ‘sea of electrons’ from moving freely in the solid.

Zinc atoms have more electrons than copper atoms.

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which statement is correct for all metals?

They are hard and brittle.

They are made up of a lattice of positive and negative ions.

They conduct electricity by movement of electrons.

They conduct electricity by movement of ions.

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which set of the electronic structures are only found in metals?

2,1

2,8,1

2,8,8,1

2,5

2,6

2,7

2,7

2,8,7

2,8,18,7

2,8,3

2,8,4

2,8,5

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which statement explains why aluminium is malleable?

Aluminium has layers of cations that can slide over one another.

Aluminium has layers of electrons that can slide over one another.

Aluminium has weak bonds between protons and a ‘sea of electrons’.

Aluminium is covered with a layer of unreactive aluminium oxide.

8.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Bronze is an alloy.

Which statement about bronze is correct?

It contains a sea of electrons.

It contains positive and negative ions which are free to move.

It is a compound of metal and non-metal.

It is a compound of two or more metals.