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Questions and Answers
How are elements arranged within the periodic table?
How are elements arranged within the periodic table?
- By groups and periods. (correct)
- By density, heaviest to lightest.
- Alphabetically by element name.
- Randomly, based on discovery date.
What chemical property do elements in the same group share?
What chemical property do elements in the same group share?
- Elements in the same group have similar properties. (correct)
- Elements in the same group are all non-metals.
- Elements in the same group are all metals.
- Elements in the same group have very different properties.
How many groups are there in the periodic table?
How many groups are there in the periodic table?
- 12
- 32
- 18 (correct)
- 7
Within the periodic table, how does the atomic number change as you move from left to right across a period?
Within the periodic table, how does the atomic number change as you move from left to right across a period?
The periodic table organizes elements into which categories?
The periodic table organizes elements into which categories?
What information does the period number of an element provide?
What information does the period number of an element provide?
How do the properties of elements change across a period?
How do the properties of elements change across a period?
What is the dominant state of matter among the elements?
What is the dominant state of matter among the elements?
Flashcards
Groups
Groups
Vertical columns in the periodic table.
Periods
Periods
Horizontal rows in the periodic table.
Atomic/Proton number trend
Atomic/Proton number trend
Increases from left to right.
Periodic table groupings
Periodic table groupings
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Group number significance
Group number significance
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Period number significance
Period number significance
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Elements in a group
Elements in a group
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Study Notes
- Elements in the periodic table are grouped by groups and periods.
- There are 18 groups, which are the columns in the periodic table.
- There are 7 periods, which are the rows of the periodic table.
- Atomic/proton numbers increase from left to right in the periodic table.
- The periodic table groups the elements into metals, metalloids, and nonmetals.
- The most dominant state of matter among the elements is solid.
- Elements under a group have similar properties.
- The group indicates the number of valence electrons.
- Elements under a period have properties that change in a pattern.
- The period number indicates the number of electron shells in an element's atom.
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