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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 |