Introduction to Atoms
Organizing the Elements
Metals
Nonmetals and Metalloids
Vocabulary
100
The particles that make up an atom.
What is proton, neutron, and electron.
100
The modern periodic table is organized by this.
What is atomic number?
100
Ability of a metal to be pulled out.
What is ductility?
100
Positively charged particle.
What is a proton?
200
The number of protons.
What is the atomic number?
200
It is the least common state of matter in the periodic table.
What is liquid?
200
The ease and speed at which an element combines.
What is reactivity?
200
This family is the least reactive group.
What is the Noble Gases?
200
Negatively charged particle.
What is an electron?
300
These can be identified by mass number.
What is an isotope?
300
He organized the modern periodic table.
Who is Henry Moseley?
300
These groups of metals are the most reactive groups of metals.
What is the Alkali Metals and the Alkaline Earth Metals?
300
Brittle, hard and somewhat reactive.
What are physical properties of metalloids?
300
Besides Hydrogen, the number of electrons in the first electron shell.
What is 2?
400
The outer most shell of electrons.
What is the valence electron shell?
400
The number of known elements.
What is 118 elements?
400
Only a few of the metals in this group are found naturally occurring.
What is the Actinides?
400
This family loves to form salt.
What is the Halogen Family?
400
Requires high temperature and pressure to occur.
What is nuclear fusion?
500
The Greek word for uncuttable.
What is atomos?
500
In a regular repeating pattern.
What is periodic?
500
Least reactive metal group.
What is the metals in a mixed group?
500
Dull and brittle are properties of these elements.
What are solid nonmetals?
500
The average of isotopes.
What is the atomic mass?