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What is the organization of the periodic table based on?
The periodic table is organized into rows called periods and columns called groups (or families).
How many periods are there in the periodic table?
There are seven periods in total.
What do elements in the same group share?
Elements in the same group share similar chemical properties due to having the same number of valence electrons.
What is the trend for atomic radius across a period and down a group?
The atomic radius decreases across a period from left to right and increases down a group.
What is ionization energy?
Ionization energy is the energy required to remove an electron from an atom in its gaseous state.
What is the trend for ionization energy across a period and down a group?
Ionization energy generally increases across a period and decreases down a group.
What does electronegativity measure?
Electronegativity measures an atom's ability to attract and bond with electrons.
What is the trend for electronegativity across a period and down a group?
Electronegativity generally increases across a period and decreases down a group.
What is the change in energy referred to when an electron is added to a neutral atom?
Electron affinity.
What is the trend for electron affinity across a period?
Electron affinity generally becomes more negative across a period.
What does metallic character refer to?
Metallic character refers to how readily an element can lose an electron.
What is the trend for metallic character across a period and down a group?
Metallic character decreases across a period and increases down a group.
What influences all the trends in the periodic table?
Trends are influenced by the arrangement of groups and periods.
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