Chapter 7 Section 7.4 Worksheet

2

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

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,

2

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

2

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

2

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

2

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

2

Which properties does Barium have?

2

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

2

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

2

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

2

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

2

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

2

Which elements are in cast iron:

4

Which elements are in Alnico:

3

Which elements are in pewter:

2

Name the following ionic compound: SnF2

2

Name the following ionic compound: Fe2O3

2

Name the following ionic compound: ZnBr2

2

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

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,

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

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

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

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

Which properties does Barium have?

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

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

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

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

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

Which elements are in cast iron:

Which elements are in Alnico:

Which elements are in pewter:

Name the following ionic compound: SnF2

Name the following ionic compound: Fe2O3

Name the following ionic compound: ZnBr2

Name the following ionic compound: PbO