Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
9 Cards in this Set
- Front
- Back
|
Matter ; anything with both mass and volume . |
Proton ; the positively charged subatomic particle in the nucleus . |
|
|
Nucleus ; the center of the atom , home of the protons and neutrons . |
Atom ; the smallest complete unit of matter ; ¨the building blocks of matter¨ |
|
|
Electron ; the negatively charged subatomic particle found in the cloud surrounding the nucleus . |
Valence Electron ; electrons on the outermost shell of the electron cloud . |
|
|
Atom Number ; the number of protons in an atom of a given elements . |
Chemical Symbol ; an abbreviation for the name of an element . |
|
|
Periodic Table ; an organized listing of all know elements . |
Period ; horizontal row on the the periodic table . |
|
|
Mass Number ; the mass of an atom of a given element ; also equals the number of protons & neutrons in the atom . |
Group ; a vertical column on the periodic table . |
|
|
Noble Gases ; the last reactive elements ; also known as inert ; Group 18 . |
Metal ; any elements with luster , malleability , ductility & serves as a conductor of heat & electricity . |
|
|
Halogens ; the most reactive nonmetals ; Group 17 . |
Nonmetal ; any elements that lacks luster , is brittle & serves as an insulator from heat & electricity . |
|
|
Alkali Metals ; the most reactive metals ; Group 1 . |
Metalloid ; elements that exhibit properties of both metals & nonmetals . |
