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Science Flash Cards
Question | Answer |
---|---|
What are subscripts? | numbers that represent the number of atoms in an element |
How is the pH scale used? | The pH scale is used to tell how acidic or how basic something is |
What is the range for acids | The range is any number below 7 |
What is the range for bases? | The range is any number above 7 |
What color does litmus paper turn when it is in a neutral solution? | It turns the color purple |
What color does a acid turn when it is in red litmus paper? | The color stays the same |
What is the meting point? | 32 degrees |
What is boiling point | 212 degrees |
What is density | A property describes the relationship between mass and volume |
How is lead used with density | It is a very dense metal |