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Units 1-4 Science
All about atom, pierodic table, changes, and states of matter.
| Question | Answer |
|---|---|
| What is ionic bonding? | when atoms exchange elctrons (one gives/ other takes) |
| Did Rutherford discover the electron? | no; false |
| Give one example of a chemical change. | Oxidation (answers may vary) |
| Give me three physical properties. | color, density, texture (answers may vary) |
| How many indicators of chemical changes are there????????? | Five |
| Does democritus find the nucleus? | NO |
| Does a marble seem similar to what Dalton was thinking? | NOOOOOO...JK yes |
| What to periods represent in the pieriodic table? | How many shells are an atom. |
| What is the name for groups 3-12. | Transition meatls |
| What is the name of a liquid to a gas? | Vaporization |
| What are the three heat transfer names? | Convection, conduction, and radiation. |
| Did J.J Thompson present the model of the plum pudding model? | Yes |
| How does conduction heat transfer. | Through touching, or when particles bumb into each other. |
| How are compounds combined? | Chemically. |
| how many groups are in the pieriodic table? | eighteen (18) |
| What are the two states of matter that makes deposition happen? | gas to a solid. |
| What are valence electrons? | they are electrons on the outermost shell of an atom. |
| How do you find the amount of neutrons? | you subtract the atomic mass to the atomic number. |
| What are the two parts of a mixture? | heterogenous, and homogenous |
| What heat transfer way doesn't need molecules? | radiation |
| Give me the defenition of a an element. | It a pure substance that cannot become into a simpler substance. |
| What makes up a compound? | elements |
| What is another heterogenous mixture, we learned this in class!!!!!! HINT! HINT! HINT! | Suspension. |
| What heat transfer way uses patterns and flow? | convection |
| What did Bohr do that changed the way the atom was looked at. | He said that electrons actually traveled in orbits around the nucleus. |