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Element Symbols


Hydrogen H
Aluminum Al
Iron Fe
Lead Pb
Carbon C
Silicon Si
Cobalt Co
Nitrogen N
Sulfur S
Oxygen O
Copper Cu
Chlorine Cl
Zinc Zn
Sodium Na
Calcium Ca
Silver Ag
Magnesium Mg
Potassium K
Gold Au
Mercury Hg
Phosphorus P
Manganese Mn
The atomic number tells you what? The number of protons
The atomic mass equals... Protons + Neutrons
Most of the mass from the atom comes from... Inside the nucleus
What are groups? Groups are the columns on the periodic table that are based on how many electrons are in the outer shell
What are periods? Periods are the rows on the periodic table that are based on how many electron shells the element has
Almost all of the elements on the periodic table are classified as metals, nonmetals, or metalloids? Metals
What charge do protons have? Positive
What charge do electrons have? Negative
What charge do neutrons have? No Charge
Chemical Property or Chemical Change are indicated when... it is undergoing a chemical reaction (something new is being formed)
Physical Property or Physical Change are indicated when... Phase change or the physical nature of the substance has changed (color, texture...)
Define an atom. the smallest particle of an element that has the properties of that element
Define an element. A substance made up of all the same atoms (found on periodic table)
Define molecule. A substance made of two or more atoms chemically bonded together
Define compound. A substance made of two or more different kinds of atoms that are chemically bonded together
Define solution. A mixture in which a solid has dissolved in
Define mixture. A collection of substances that are NOT bonded together
Be able to identify gases, liquids and solids.
Created by: kallayj