Ace Unit 4-5 Flashcards
What are different types of atoms?
Elements
What is the chart on which elements are organized and listed?
Periodic Table
What is the number of protons an atom contains?
Atomic Number
What are a one or two letters asigned to an element for representation?
Chemical Symbol
What is the average mass of a typical atom of that element?
Atomic Mass
What is a row of elements across the periodic table?
Period
What is a column of of elements in the periodic table?
Group or Family
What ocurrs when the number of protons is equal to the number of electrons?
Neutral Element
What are atoms of the same element?
Isotopes
What is the sum of the number of protons and nuetrons?
Mass Number
What is an atom called if it is charged?
ion
What is an ion called if it is negativley charged?
Anion
What is an ion called if it is positivley charged?
Cation
What law states:
Phisical and chemical properties of the elements recur in a systematic and predictable way when the elements are arranged in order of increasing atomic number.
Periodic Law
Metal or Nonmetal or Metaloids
Solid at room temperature
except mercury
Metal
Metal or Nonmetal or Metaloids
It is ductile
(can be pulled into thin wire)
Metal
Metal or Nonmetal or Metaloids
High luster
Metal
Metal or Nonmetal or Metaloids
Good conductors of electricity and heat
Metal
Metal or Nonmetal or Metaloids
Can be hammered into thin sheets
Malleable
Metal
Metal or Nonmetal or Metaloids
Prone to lose electrons
Metal
Metal or Nonmetal or Metaloids
Brittle
Nonmetal
Metal or Nonmetal or Metaloids
Dull or not shiny
Nonmetal
Metal or Nonmetal or Metaloids
Poor conductors of electricity and heat
Nonmetal
Metal or Nonmetal or Metaloids
Solid, liquid, or gaseous at room temperature
Nonmetal
Metal or Nonmetal or Metaloids
Able to gain or share electrons easily
Nonmetal
Metal or Nonmetal or Metaloids
Solid at room temperature
Metaloids
Metal or Nonmetal or Metaloids
Either dull or shiny
Metaloids
Metal or Nonmetal or Metaloids
A mix of good and poor conductors of electricity and heat
Metaloids
Metal or Nonmetal or Metaloids
Phisical properties that tend to be metallic and chemical propertys that tend to be nonmetllic?
Metaloids