Copy of CI Skill Check #3.2 (Unit 2 Investigation 3 Experience 2) (7/30/2025)
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Last updated 4 months ago
5 questions
Required
2 points
2
Question 1
1.
The valence electrons of an atom do not experience the full attractive force of protons in the atom’s nucleus due to the presence of inner core electrons. This is known as the...
Required
2 points
2
Question 2
2.
As you go from left to right across a period on the periodic table, for example Lithium to Neon, the number of protons increases. This causes the overall nuclear charge to _________.
Required
2 points
2
Question 3
3.
Calculate the effective nuclear charge for Aluminum. Zeff = Z - S
Required
2 points
2
Question 4
4.
Elements in group 1 tend to give and electron away to elements in group 17 to form a chemical compound. For the given elements, which reaction will proceed most slowly or be the hardest to occur?
Required
1 point
1
Question 5
5.
A mystery element has 19 protons. Which one of the following statements is true about the element?