Questions and Answers
How many elements naturally occur on Earth?
92
Define a family in the context of the periodic table.
Groups on periodic table that are vertical.
What direction is a group or family in the periodic table?
Vertical
What is a period in the periodic table?
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What is the symbol for Magnesium?
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What is the symbol for Potassium?
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What is the symbol for Iron?
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What is the symbol for Copper?
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What is the name of C?
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What is the name of Au?
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What is the name of Cl?
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What is the name of Sr?
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What period is Helium in?
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What period is Ge in?
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What period is Rb in?
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What period is I in?
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What group are halogens in?
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What group do noble gases belong to?
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What group do alkali metals belong to?
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What group do alkaline earth metals belong to?
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What group do transition metals belong to?
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What group does boron belong to?
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What is the atom in the halogen family?
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What is the atom in alkali metal?
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What is the atom in the lanthanide series?
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What is the atom in the transition metal?
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What is the atom in the chalogen group?
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What is the atom in the boron family?
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What is the atom in the alkaline earth metal group?
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What is the atom in the noble gases?
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What is the atomic symbol for silver?
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What is the atomic mass of mercury?
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Ni is the symbol for what element?
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Which element has the atomic number 17?
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List the symbols for two transition metals.
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Name two noble gases.
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What is the symbol for atomic number 74?
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Study Notes
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.
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Description
This study guide contains flashcards designed to help you learn about the periodic table. It covers fundamental concepts such as the number of naturally occurring elements, definitions of groups and periods, and specific element symbols. Perfect for students preparing for chemistry exams!
