Vocabulary 1
highly reactive metals of group 1
Alkali metals
between metals and nonmetals that involves the gain or loss of electrons
Ionic bond
vertical columns, elements share properties
Group
NaCl is an example of what is created when elements combine
Compound
horizontal rows where elements gradually change properties
Period
bond between nonmetals that occurs when atoms share electrons
Covalent bond
elements on the far right side that are poor conductors and are
Non-metal
contains electrons and takes up most of the space
Electron cloud
outermost shell of electrons brittle
Valence electrons
has mass but no charge, in nucleus
Neutron
negatively charged particle outside of the nucleus
Electron
smallest part of a compound
Molecule
organized info about the elements
Periodic table
elements that are malleable, ductile and good conductors
Metals
Electronically charged atom that results from the gain or loss of electrons
Ion
the center of the atom containing protons, neutrons and most of the mass
Nucleus
elements that share properties of both metals and nonmetals
Metalloid
smallest part of an element
Atom
positively charged in the nucleus
Proton
large molecule that consists of long chains of similar molecules
Polymers
vertical columns, elements share properties
Group