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Metals are elements that are typically lustrous (shiny), malleable, ductile (can be made into wires) and are usually good conductors of heat and electricity. Except for the element Mercury metals are solid at room temperature. Most metal ions have a positive charge.
Nonmetals are typically dull in color and brittle when solid and are usually poor conductors of heat and electricity (graphite, a form of carbon is an exception to this as it conducts electricity). Some of the nonmetals are gasses at room temperature, some are solids, one (bromine) is a liquid. Unlike metals, some of the nonmetals exist as distinct molecules. Nonmetals generally form negative ions.
Metalloids have properties of both metals and nonmetals and do not fit neatly into either category. They are often lustrous like metals but tend to be brittle like nonmetals. metalloids are classified as semiconductors as they have a moderate ability to conduct heat and electricity. They are solid at room temperature..
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What types of roads did they have during industrial revolution?
During the industrial revolution, the types of roads that existed were primarily dirt roads or cobblestone roads. Due to the increasing need for transportation for goods and people, there was a gradual improvement in road infrastructure, with some roads being widened and reinforced with gravel or stone, and others being paved with bricks or macadam. However, the quality and maintenance of roads varied greatly between different regions.
When was The Lawless Roads created?
The Lawless Roads was created in 1939.
What does the word roads mean in Hampton roads?
almost computers thanks
How many silk roads are there?
There are 33 roads on the silk road.
Did the greeks invent the roads?
No; the technique of building 'hard' roads was invented by the Romans.
What happens to the trees when the roads are repaired by local agencies or are metalled?
The trees are cut down when roads are repaired by local agencies .
What do you mean by metalled and unmetalled roads?
An unmetalled road has no surface covering over the bare earth or grass track. a "metalled" road is a concrete or asphalt road, as opposed to a dirt or gravel road
What is the symbol of a metalled road?
signs of metalled road
What is a symbol of Metalled Road?
signs of metalled road
What are the things used to make unmetalled roads?
Metalled roads are :1) made of bitumen of coal, cement or concrete 2) all wheather or season road Unmetalled roads are: 1)made in the absence of cement and concrete and sometimes made even of sand and laid as extended roads 2)limits its usage in rainy season
Is He a metalnon-metal or a metalled?
its a metal
What are two uses for METALLED?
Iron and Copper
Is americium a nonmetal metal or a metalled?
Americium is a metal.
Is helium a metal non metal or metalled?
Helium is a Non meal
What is asphalt covered road called?
A paved road. Metalled road.
Is uranium a metal nonmetal metalled?
Uranium is a metal, rather than a nonmetal, or metalloid.
What are words that rhyme with settled?
Metalled, nettle, kettle, petal.
