Term
| What does insoluble mean? |
|
Definition
| A substance will not dissolve |
|
|
Term
| Describe one way to test if a substance conducts. |
|
Definition
| hook up a circuit to a battery and a light bulb. Put the wires in the substance. If the light turns on, it conducts. |
|
|
Term
| Name 2 things that are matter, and 2 things that are not |
|
Definition
|
|
Term
Describe Cu2SO4* (aq)
*numbers meant to be in subscript |
|
Definition
| copper sulfate solution, blue liquid |
|
|
Term
CaCl2* is an example of what?
a. a phase b. an element
c. a metal d. a compound
*number meant to be in subscript |
|
Definition
|
|
Term
| How can substances be sorted into general categories? |
|
Definition
| Dissolving and conducting |
|
|
Term
| When is the only time that ionic compounds conduct? |
|
Definition
| When they are dissolved in water. |
|
|
Term
| Why did the way an atom was represented in a model change throughout time? |
|
Definition
| The technology advanced, and we were able to understand how atoms work better. |
|
|
Term
| What is a characteristic property? |
|
Definition
| Something that defined an element as unique: color, texture, density, melting point, etc. |
|
|
Term
| It is possible to remove a negatively charged particle from an atom using electrical forces. Who wrote this? |
|
Definition
|
|
Term
| Who discovered that there is lots of empty space in an atom? |
|
Definition
|
|
Term
| What model supports this evidence? Why? Neutral particles can be found in the center of the atom. These neutral particles account for roughly half of the mass of the atom. |
|
Definition
| The Electron Cloud Model because it has large compacted neutrons in the nucleus. |
|
|
