Periodic Table Study Guide Flashcards

Elements and Families

• 92 elements naturally occur on Earth.
• A family in the periodic table refers to groups that are arranged vertically.
• Groups, or families, are classified based on their similar properties.

Periods and Rows

• Horizontal rows in the periodic table are called periods.
• Each period indicates the energy levels of electrons in an atom.

Chemical Symbols

• Magnesium is represented by the symbol Mg.
• Potassium's chemical symbol is K.
• Iron is denoted as Fe.
• Copper's symbol is Cu.
• Carbon is identified by the letter C.
• Gold can be represented as Au.
• Chlorine is denoted by the symbol Cl.
• Strontium's symbol is Sr.

Periodic Table Positioning

• Helium is located in the 1st period.
• Germanium (Ge) is found in the 4th period.
• Rubidium (Rb) and Iodine (I) both belong to the 5th period.

Group Classifications

• Halogens are located in Group 17.
• Noble gases are found in Group 18.
• Alkali metals can be found in Group 1.
• Alkaline earth metals reside in Group 2.
• Transition metals are located in Groups 3-12.
• Boron is situated in Group 13.

Specific Elements in Groups

• Chalogen elements include oxygen.
• Chlorine is an example of an atom in the halogen family.
• Lithium is an example of an atom in the alkali metal group.
• Cerium represents an atom in the lanthanide series.
• Silver is a notable transition metal.
• Boron is part of the boron family.
• Beryllium is classified as an alkaline earth metal.
• Helium is an example of a noble gas.

Atomic Symbols and Numbers

• The atomic symbol for silver is Ag.
• Mercury has an atomic mass of 201.
• Nickel is represented by the symbol Ni.
• Chlorine holds the atomic number 17.
• Two transition metals include Iron (Fe) and Copper (Cu).
• Notable noble gases include helium and argon.
• The atomic symbol for atomic number 74 is W.