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.
Which properties does Barium have?
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.