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Chapter 11 Sc. Quest
Ch. 11 Sc. Questions
Question | Answer |
---|---|
How many electrons are there? | more than 100 |
What are most things around us usually made up of? | combination of elements |
What is volume? | a property of an object |
If you had two equally sized objects, how could you tell which one was more dense? | The object with more mass will have more density. |
The periodic table is an organized chart containing ..... | letter symbols representing element names, the number of protons in the atoms of each element, elements in columns arranged by similar chemical properties. |
In a formula for a compound, what do the numbers tell you? | number of atoms |
What causes materials to change size when they change temperature? | their speed |
Boiling point is | the temperature at which liquid boils |
Name 5 metals that are pure elements | gold, silver, copper, iron and nickel |
Name mixtures | bronze, brass, and steel |