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
Vocab 2
Science Vocab test
| Terms | Definitions |
|---|---|
| Atom | Is the smallest piece of an element that still represent that element |
| Electrons | Is a particle with one negative charge |
| Nucleus | Most of an atom's mass and positive charge is concentrated in a small area in the center of the atom |
| Proton | Is an atomic particle that has one positive charge |
| Neutron | Is a neutral particle that exists in the nucleus of an atom |
| Electron Cloud | Is an area around an atomic nucleus where an electron is most likely to be located |
| Atomic Number | The atomic number is the whole number listed with each element on the periodic table |
| Isotopes | are atoms of the same element that have different numbers of neutrons |
| Mass number | of an atom is the sum of the number of protons and neutrons in an atom |
| Average atomic mass | of an element is the average mass of the element's isotopes, weighted according to the abundance of each isotopes |
| Radioactive | elements that spontaneously emit radiation |
| Nuclear Decay | is a process that occurs when an unstable atomic nucleus changes into another more stable nucleus changes into another more stable nucleus by emitting radiation |
| ion | an atom that is no longer neutral because it has gained or lost electrons |
Created by:
saicojef
Popular Science sets