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
Chem Inter Ch. 1
Vocabulary from Ch. 1: Atomic Structure and the Periodic Table
| Question | Answer |
|---|---|
| proton | a positively charged particle |
| neutron | an uncharged particle |
| nucleus | the combination of protons and neutrons in the center of the atom |
| electrons | negatively charged particles that move around the outside of the nucleus |
| atomic number | determines the identity of an atom; also the number of protons in the nucleus |
| atomic mass number | the total number of protons and neutrons in an atom's nucleus |
| isotopes | atoms of the same element that have a different number of neutrons |
| ion | formed when an atom gains or loses one or more electrons |
| atomic mass | the average mass of all the element's isotopes; also called the atomic mass number |
| periodic table | a table of the elements, arranged by atomic number, that shows the patterns in their properties. |
| group | the elements in a column on the periodic table |
| period | the elements in a row on the periodic table |
| reactive | indicates how likely an element is to undergo a chemical change |
| metals | elements that conduct electricity and heat well and have a shiny appearance |
| nonmetals | the elements on the right side of the periodic table, with properties that are opposite of those of the metals. |
| metalloids | elements that have properties of both metals and nonmetals |
| radioactivity | the process by which atoms produce energy and particles |
| half-life | the amount of time it takes for one-half of the atoms in a particular sample to decay |
Created by:
misskazantzis
Popular Physical Science sets