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;
15 Cards in this Set
- Front
- Back
atom
|
the smallest particle of an element that still retains the properties of the element
|
|
atomic number
|
number of protons in at atom's nucleus
|
|
average atomic mass
|
weighted-average mass of the mixture of an element's isotopes
|
|
electron
|
particles surronding the center of the nucleus that have a charge of 1-
|
|
electron cloud
|
area around the nucleus of an atom where the atom's electrons are most likely to be found
|
|
electron dot diagram
|
uses the symbol for an element and dots representing the number of electrons in the element's outer energy level
|
|
group
|
vertical column in the periodic table
|
|
isotope
|
atoms os the same element that have different numbers of neutrons
|
|
mass number
|
sum of the number f protons and nuetrons in an atom's nucleus
|
|
nuetron
|
neutral particle, composed of quarks, inside the nucleus of an atom
|
|
nucleus
|
positivley charged center of an atom that contains protons and nuetrons and is surronded by a cloud of electrons
|
|
period
|
horizontal row in the periodic table
|
|
periodic table
|
organized list of all known elements that are arranged by increasing atomic number and by changes in chemical and physical properties
|
|
proton
|
particle, composed of quarks, inside the nucleus of an atom that has a charge of 1+
|
|
quark
|
particles of matter that make up protons and nuetrons
|