Copy of CI Skill Check #3.3 (Unit 2 Investigation 3 Experience 3) (7/30/2025)
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Last updated 9 months ago
7 questions
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Question 1
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Question 2
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Question 3
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Question 4
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Question 5
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Question 6
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Question 7
7.
Cations are always _________ than the parent atom and anions are always _________ than the parent atom.
Which terms best complete the sentence?
smaller, larger
smaller, smaller
larger, smaller
larger, larger
Calcium is in Group 2, Period 4 of the periodic table. Which statement describes the charge of the ion it typically forms?
It forms an anion with a 1− charge.
It forms a cation with 2+ charge.
It forms a cation with a 1+ charge.
It forms an anion with a 1+ charge.
The elements K, Ca, Se, Kr, and Ga all appear in Period 4 of the Periodic Table. Which arrangement, from left to right, orders them from largest to smallest in atomic size?
K, Ca, Se, Kr, Ga
Ca, Ga, K, Kr, Se
K, Kr, Se, Ca, Ga
K, Ca, Ga, Se, Kr
Based on their definitions, ionization energy could be considered the opposite of:
effective nuclear charge
ionization energy
electron affinity
nonmetallic character
Compare the periodic trends for the following elements: Rubidium (Rb) and Oxygen (O). Which element has a lower electron affinity?
Oxygen
Rubidium
Compare the periodic trends for the following elements: Rubidium (Rb) and Oxygen (O). Which element has a lower ionization energy?
Oxygen
Rubidium
Compare the periodic trends for the following elements: Rubidium (Rb) and Oxygen (O). Which element has the smaller atomic radius?