Mc chpt 3
Terms
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- When lead oxide is heated in a test tube, the walls of the tube become coated with
- lead
- Substances that cannot be decomposed to any simplier substances are called
- elements
- The element needed to sustain life is
- oxygen
- Aluminum and copper are used in pots and pans because
- they conduct heat
- The number of naturally occuring elements is
- 88
- The element in the earth\'s crust w/ the the greatest precentage by weight is
- oxygen
- Of the followig the element that is found in the liquid state is
- mercury
- Of the following, the element that is not a gas is
- sulfur
- Iron, sodium, copper and silver are examples of
- metals
- Metals that reflect light are said to posses the property of
- luster
- The best conductor of electricity is
- silver
- Metals that can be hammered into thin sheets are said to posses the property of
- malleability
- The only liquid nonmetal is
- bromine
- When heated, the nonmetal that can change directly from a solid to a gas is
- iodine
- Charcoal, diamond, coal, and graphite are all forms of the element
- carbon
- The man who suggested the currently sed system of assigning symbols to the elements is
- Berzelius
- The latin name for gold is
- aurum
- A chemical symbol for potassium is
- K
- The periodic table of elements was first suggested by
- Mendeleev
- The horizontal rows in the Periodic Table of the elements are known as
- periods