Log in
Sign up for FREE
arrow_back
Library

Chapter 7 Section 7.4 Worksheet

star
star
star
star
star
Last updated over 3 years ago
19 questions
2
2
2
2
2
2
2
2
2
2
2
2
2
4
3
2
2
2
2
Question 1
1.

The bonding in both metals and ionic compounds is based on the attraction of particles with __________ charges.

Question 2
2.

One challenge for researchers about 1900 was to find the best material for the filaments in light bulbs. The ?substance...had to be ___________ enough to be drawn into a narrow wire,

Question 3
3.

A metallic bond is the attraction of a metallic _________________ for delocalized electrons.

Question 4
4.

In general, metals have moderately high melting points and ____________________, as shown in Table 7.12.

Question 5
5.

Metals are _______________, which means they can be hammered into sheets,

Question 6
6.

and they are ____________, which means they can be drawn into wire.

Question 7
7.

Question 8
8.

The bonds in an alkali metal are relatively ______ because alkali metals contribute only a single valence electron.

Question 9
9.

Sodium is soft enough to cut with a __________ and melts at 97.8°C.

Question 10
10.

An alloy is a mixture of elements that has _______________ properties.

Question 11
11.

When silver, copper, ____________, or zinc is mixed with gold, the gold is harder and more resistant to wear.

Question 12
12.

The French horn is made from ___________, an alloy of copper and zinc.

Question 13
13.

Question 14
14.

Question 15
15.

Question 16
16.

Name the following ionic compound: SnF2

Question 17
17.

Name the following ionic compound: Fe2O3

Question 18
18.

Name the following ionic compound: ZnBr2

Question 19
19.

Name the following ionic compound: PbO

Which properties does Barium have?
melting point 180oC
melting point 660oC
melting point 727oC
melting point 1083oC
boiling point 2623oC
boiling point 1850oC
boiling point 2155oC
boiling point 2570oC
Which elements are in cast iron:
copper
tin
iron
lead
carbon
nickel
Which elements are in Alnico:
copper
tin
iron
lead
carbon
nickel
cobalt
silver
aluminum
Which elements are in pewter:
copper
tin
antimony
lead
carbon
nickel
cobalt
silver
aluminum