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Stability of Atoms

Stability of Atoms

Assessment

Presentation

Science

KG - 9th Grade

Easy

Created by

Restie Carullo

Used 1+ times

FREE Resource

22 Slides • 7 Questions

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Multiple Choice

The more reactive the atoms are, the stable they are.

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True

2

False

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Multiple Choice

Neon and argon will NOT chemically react with other elements.

1

True

2

False

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Multiple Choice

Group 2A elements such as Be donates their valence electrons.

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True

2

False

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Fill in the Blank

An _____ is the highest form of stability,

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Multiple Choice

What is the electron configuration of Na+1?

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1s22s22p63s1

2

1s22s22p6

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1s22s22p63s2

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Multiple Choice

Question image

What is the oxidation number of Sulfur after stealing two electrons?

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+2

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-2

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0

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+1

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​+1

​+2

​+3

​-3

​-2

​-1

​0

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​However, some metals can have more than one charge. These charges are useful during IONIC BONDING. An ionic compound is electrically neutral, therefore total positive charges must be equal to the total negative charges.

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Multiple Choice

Which of the following statement/s is/are TRUE about stability?

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Losing electrons increases stability.

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Gaining electrons increases stability

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Shifting electrons increases stability.

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all of the choices are TRUE

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