Reading...
Play button
Play button
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;
18 Cards in this Set
- Front
- Back
|
periodic
|
happening in a regular repeating pattern
|
|
|
periodic law
|
the repeating chemical and phyysical property of elements change with atomic number thhe elements
|
|
|
period
|
is a side to sidel line and there are seven periods
|
|
|
group
|
a up and down line there are 18
|
|
|
alkali metals
|
the first group with one valence electron
|
|
|
alkaline earth metals
|
second group of with 2 valence electron rare earth metals
|
|
|
halogen
|
an atom of a halagen tends to gain one electron when it combines with another atom
|
|
|
noble gas
|
the elements that have a full set of valence electrons and don from bonds
|
|
|
chemical bonding
|
is joining of atoms to form a new substance
|
|
|
chemical bond
|
an interaction that holds atoms or ions together
|
|
|
valence electron
|
the outer most electron on the outer most shell
|
|
|
ionic bond
|
the attractive force betwen oppositely charged ions, which form when electrons are transferred from one atom to another
|
|
|
ion
|
a charged particle that forms when an atom or group of atoms gains or loses one or more elcetrons
|
|
|
crystal lattice
|
a crystal latice is a repeating pattern in which a crystal is arranged
|
|
|
covalent bond
|
is the bonds of nonmetals
|
|
|
covalent bonding
|
the electrons shared between two atoms
|
|
|
molecule
|
a molecule is the smallest peice of a substance joined by a covalent bonds
|
|
|
metallic bond
|
metal bonding
|
