Download Metals (Essential Chemistry) by Julie McDowell PDF

By Julie McDowell

Lots of the parts present in the periodic desk are categorized as metals. universal features that aid us determine metals contain conductivity, reactivity, and their skill to be pounded into sheets and stretched into wires. Metals are chanced on all around the universe, and their many services lead them to a most beneficial source. This e-book takes a pointy examine metals, assisting scholars comprehend their many complicated makes use of from to the humanities.

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Example text

Copper Copper is one of the most ­ well-­known metals, and it is used in many areas in everyday life. For instance, the pipes that carry water and waste throughout homes and other constructions are made of copper. Copper’s ductile properties allow it to be drawn into wires. In addition, as an excellent conductor of electricity, copper wire is used in homes, offices, and other buildings to transmit electrical energy from wall outlets to electrical ­appliances. ” Cyprus is an island located in the Mediterranean Sea, south of Turkey.

The litmus scale is gradual. As a base neutralizes an acid solution, the color on the litmus paper changes from shades of red to green, and then ultimately to blue. Measurements can range from 1 to 14, with strong acid solutions starting at pH 1 to strong basic solutions measuring pH ­14.

If heat is absorbed, the reaction is called endothermic. Light is another form of energy that can be used to drive a chemical reaction. For example, plants need to produce carbohydrates to keep their trunks, leaves, and roots healthy. The water and carbon dioxide that plants take in from the soil and air react with the light energy from the Sun to produce carbohydrates, which is the process called photosynthesis. Reactions can also be caused by electricity. Metals are good conductors of electricity, making electricity a common factor in many reactions that involve metals.

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