What is the atomic radius?
ASSESSMENT Trends in the Periodic Table

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Chemistry
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11th - 12th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
The atomic radius is the distance from the nucleus of an atom to the outermost shell of electrons. It generally increases down a group and decreases across a period.
2.
FLASHCARD QUESTION
Front
Which element has the largest atomic radius in Group 18?
Back
Argon (Ar) has the largest atomic radius in Group 18.
3.
FLASHCARD QUESTION
Front
What property is measured by the density of an element?
Back
Density is the mass per unit volume of a substance, indicating how compact the matter is within the element.
4.
FLASHCARD QUESTION
Front
What is ionization energy?
Back
Ionization energy is the energy required to remove an electron from an atom in its gaseous state. It generally increases across a period and decreases down a group.
5.
FLASHCARD QUESTION
Front
Which element has a greater electronegativity: Chlorine (Cl) or Aluminum (Al)?
Back
Chlorine (Cl) has a greater electronegativity than Aluminum (Al).
6.
FLASHCARD QUESTION
Front
What is the trend of atomic radius in the periodic table?
Back
Atomic radius increases down a group and decreases across a period from left to right.
7.
FLASHCARD QUESTION
Front
Which group 4A element has the highest ionization energy?
Back
Tin (Sn) has the highest ionization energy among group 4A elements.
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