What is the primary difference between an atom and an ion?

Ions and Electron Configurations

Interactive Video
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Chemistry
•
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
An ion has a different number of protons.
An ion has a different number of electrons.
An ion has a different atomic mass.
An ion has a different number of neutrons.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When forming a sodium plus ion, how many electrons are removed from a sodium atom?
No electrons
Three electrons
Two electrons
One electron
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the electron configuration of a sodium plus ion?
1S2 2S2 2P4
1S2 2S2 2P3
1S2 2S2 2P6
1S2 2S2 2P5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many electrons are removed when forming a magnesium 2+ ion?
Three electrons
Four electrons
Two electrons
One electron
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the common oxidation state of aluminum?
1+
2+
3+
4+
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do sodium, magnesium, and aluminum ions prefer specific charges?
To decrease their atomic number
To increase their atomic mass
To match the electron configuration of a noble gas
To achieve a higher energy state
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the electron configuration of a fluorine anion?
1S2 2S2 2P5
1S2 2S2 2P3
1S2 2S2 2P6
1S2 2S2 2P4
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