Shared Flashcard Set

Details

Elements Vocabulary
N/A
20
Science
5th Grade
09/14/2009

Additional Science Flashcards

 


 

Cards

Term
element
Definition
a substance that can not be broken down into other substances by heat, light, or electricity
Term
atom
Definition
the smallest particle of an element that has the properties of the element
Term
nucleus
Definition
the center of an atom, where protons and neutrons are located
Term
proton
Definition
particle in an atom that has positive electrical charge
Term
neutron
Definition
particle in an atom that has no charge
Term
electron
Definition
particle in an atom that has a negative electrical charge
Term
molecule
Definition
two or more atoms joined together; the smallest unit of many substances
Term
compound
Definition
a substance made up of atoms of more than one element joined together in a molecule
Term
matter
Definition
anything that takes up space
Term
periodic table
Definition
a chart that classifies elements by their properties
Term
atomic weight
Definition
protons plus neutrons
Term
atomic symbol
Definition
a one to three letter abbreviation for an element's name
Term
groups (periods)
Definition
horizontal row on periodic table of elements
Term
family
Definition
vertical column on the periodic table of elements
Term
natural
Definition
elements that occur in nature
Term
synthetic
Definition
elements that are made in laboratories
Term
radioactive
Definition
elements that give off particles
Term
nonmetals
Definition
poor conductors of electricity; dull, earthy luster; shatter or form powders when pounded
Term
metal
Definition
good conductors of electricity; shiny, metallic; can be pounded into shapes
Term
metalloids
Definition
have characteristics of both metals and nonmetals
Supporting users have an ad free experience!