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The Elements

General Science

What is an element? simplest type of substance....can't be broken down into anything simpler
Where are metals located on the periodic table? to the left of the staircase
luster ability to reflect light.....looks shiny
magnetic ability to attract other metals
malleable able to bend and be shaped without breaking
ductile ability to be stretched and pulled into wires
conduct electricity allows the flow of electrons
color most are gray, but not all. color is used to identify specific metals
calcium strengthens bones, controls heart rate, helps contract muscles,found in dairy products
potassium proper working of nervous system, helps contract muscles, found in bananas, oranges potatoes
sodium proper nervous system function, controls muscle contraction, found in table salt and other foods
iron on red blood cells s hemoglobin, helps transport oxygen through the body, low iron=anemia, found in red meat and dark green veggies
Properties of non-metals Opposite of metals
dull not shiny
brittle will break, not malleable or ductile
poor conductors won't conduct heat or electricity
hydrogen in the air an in water...very important
nitrogen atmosphere is 78% nitrogen; used by plants to grow
carbon in all living and once iving things
oxygen gives life to humans and fire
chlorine poisonous gas; found in table salt; made into bleach
fluorine found in toothpaste as fluoride
metalloids have properties of metals and non-metals; they all have luster
4 uses for Boron 1.borax-added to water to "soften" it; 2.prevents "ring-around-the-tub"; 3.boric acid-helps treat infection; 4.used in rocket fuel
4 uses for Silicon 1.combined with oxygen, it forms sand, which when melted forms glass; 2.fiber optics; 3.semi-conductor used in computer chips, circuit boards 4.used on tiles lining the bottom of the space shuttle
Created by: weavergina