Copy of CI Skill Check #2.1 (Unit 1 Investigation 2 Experience 1) (7/30/2025)
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Last updated 4 months ago
5 questions
Required
2
The image shows a model for a lithium atom:
The image shows a model for a lithium atom:
How many protons are in this lithium atom?
Required
2
How many electrons does one neutrally charged atom of neon have?
How many electrons does one neutrally charged atom of neon have?
Required
2
How many neutrons are there in 225Ra?
How many neutrons are there in 225Ra?
Required
2
The table shows the number of each of the three subatomic particles for
four atoms.
The table shows the number of each of the three subatomic particles for
four atoms.
Which atoms represent the same element?
Required
2
Based on the image of abundance of Neon isotopes. What would be a good estimate of the average atomic mass of neon?
Based on the image of abundance of Neon isotopes. What would be a good estimate of the average atomic mass of neon?