Copy of CI Skill Check #4.1 (Unit 2 Investigation 4 Experience 1) (7/30/2025)
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Last updated 4 months ago
5 questions
Required
2 points
2
Question 1
1.
An atom X has two electrons in its outermost shell. Which ion will most likely be formed by X?
Required
2 points
2
Question 2
2.
Which statement explains whether LiCl or MgO will have a stronger bond?
Required
2 points
2
Question 3
3.
Read the passage and use the diagram to answer the next question.
The image shows the unit cell for perovskite (CaTiO4) an ionic compound. It was discovered in 1839 in Russia by Gustav Rose, and a compound with the same structure is used to manufacture solar cells. The melting point of perovskite is 1980°C.
Which statement explains why the melting point of perovskite is 1980°C?
Required
2 points
2
Question 4
4.
Read the passage and use the diagram to answer the next question.
The image shows the unit cell for perovskite (CaTiO4). It was discovered in 1839 in Russia by Gustav Rose, and a compound with the same structure is used to manufacture solar cells. The melting point of perovskite is 1980°C.
A group of scientists is conducting an investigation to study the conductivity of perovskite. At which temperature do they need to perform the experiments for perovskite to conduct electric current?
2 points
2
Question 5
5.
Draw the Lewis structure for the bond between Al2O3