Term
|
Definition
| smaller than or occuring in an atom |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
-number of protons in the nucleus of an atom
-determines chemical properties of an atom |
|
|
Term
|
Definition
atoms of the same element with different number of neutrons
|
|
|
Term
|
Definition
| when something changes direction as a result of hitting something else |
|
|
Term
|
Definition
| clustered or gathered together closely |
|
|
Term
|
Definition
| neutrons minus atomic number |
|
|
Term
| Calculating amount of neutrons in an atom |
|
Definition
| subtract atomic mass from atomic number or vice versa |
|
|
Term
what is used to calculate atomic mass on the periodic table?
|
|
Definition
-abundance in nature
-masses of different isotopes |
|
|
Term
|
Definition
| atoms or groups of atoms with extra or missing electrons |
|
|
Term
|
Definition
-atoms with negative charge
-atoms with extra electrons |
|
|
Term
|
Definition
-atoms with a positive charge
-atoms with missing electrons |
|
|
Term
|
Definition
| electron arrangement within an atom |
|
|
Term
|
Definition
-early scientist from 1900s
-believed that electrons move in orbits around the nucleus of the atom similar to how planets orbit the sun
HE WAS WRONG |
|
|
Term
| basics of quantum mechanics |
|
Definition
-when energy is added to an atom, electrons within the atom jump to higher energy levels
-when electrons go back to its original energy level, they release the energy that they previously absorbed |
|
|
Term
|
Definition
distance required for one complete wave to occur
(measured in meters) |
|
|
