Atoms
Negative charged particles orbiting the nucleus
Electrons
Positive charged particles inside the nucleus
Protons
A purse substance that cannot be broken down
Element
The _______ _________ is a chart of elements organized by how many protons each element has and by repeating patterns of the elements' properties.
The Periodic Table of Elements
See picture. What do the orange circles represent?
Protons
The path electrons take around the nuclues
Shells
Neutrons
The largest group of elements. These elements tend to be shiny, ductile and malleable.
Metals
See picture. What does the bold horizontal rectangle represent? (left to right)
Periods
Use your periodic table. What does the number 14 represent on Silicon?
An _______ is the basic particle with which all elements are made. It is called the "building block of all matter."
Atom
See picture. What do the purple particles represent?
Electrons
The elements in this group do not have metal properties.
Non-metals
See picture. What does the bold vertical rectangle below represent? (up & down)
Groups
Use your periodic table. How many electrons does carbon have?
6
See picture. What do the green particles represent?
Neutrons
See picture. What do the orange and green particles represent?
Nucleus
Elements in this group have properties of metals and non metals
Metalloids
6
Use your periodic table. What does the number 6.941 represent on the element ID of Lithium?
Atomic Mass
See picture. What do the gray circles represent?
Shells
True or False. Protons + Neutrons = Atomic Mass
True
First man to arrange the elements in groups by similar properties
Dmitri Mendeleev
Use your peridodic table. How many shells does Sulfur have?
3
Use your periodic table. How many neutrons does Oxygen have?
8