Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Chapter 17 Q & A
cdeutsch/ursuline
| Question | Answer |
|---|---|
| What determines the size of an atom? | the # of electrons |
| If you compare atoms to visible light, which is smaller? | the atoms |
| What do molecules make up in the universe? | some matter |
| What term describes the make up of a molecule? | atoms |
| What is the cause of Brownian motion? | random movement of atoms and molecules |
| What term describes the makes up an element? | the same kind of atoms |
| How many elements do we know about? | slightly more than 100 |
| Describe plasma. | mixture of ions and electrons, electrically charged. It is a phase of matter. |
| What are the phases of matter? | plasma, solids, liquids, and gases |
| In the shell model of an atom, where are the electrons? | in the shells |
| What is the # of atoms in a typical breath equal to? | the breaths of air in the world |
| What is an ion? | an atom w/a different # of electrons than protons |
| What do protons attract in an atom? | electrons |
| What is an isotope? | An atom that has one more or one less neutron than protons in the nucleus. |
| Where did the atoms formed in our bodies originally come from? | Atoms came from stars, and from other matter prior to our existence. |
Created by:
cdeutsch
Popular Physics sets