
Atomic Size and Electron Behavior in the Periodic Table

Interactive Video
•
Physics, Chemistry, Science
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the common misconception about the movement of electrons around the nucleus?
Electrons are not affected by the nucleus.
Electrons move in a straight line.
Electrons are stationary around the nucleus.
Electrons move in fixed orbits like planets.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How are electron orbitals best described?
As random points in space.
As fixed paths around the nucleus.
As probability distributions of electron locations.
As solid spheres around the nucleus.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the Van der Waals radius?
The distance between two bonded atoms.
The radius of a single atom.
Half the distance between two non-bonded atoms of the same element.
The distance between the nucleus and the outermost electron.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to atomic size as you move from left to right across a period?
It fluctuates randomly.
It remains constant.
It decreases.
It increases.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is helium smaller than hydrogen despite having more protons?
Helium's electrons are more tightly attracted to the nucleus.
Helium is a gas.
Helium has fewer electrons.
Hydrogen has a larger nucleus.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the effect of increased positive charge in the nucleus on atomic size?
It decreases atomic size.
It increases atomic size.
It has no effect on atomic size.
It makes the atom unstable.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the general trend in atomic size as you move down a group in the periodic table?
Atomic size decreases.
Atomic size fluctuates.
Atomic size increases.
Atomic size remains the same.
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