Free Exam: 26iesoHR_Session5_Chemistry_Secondary2
Number of Questions in Test: 30
Number of Questions in Preview: 5
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[size=4]Across Period 3, both the number of protons and electrons increase, yet atomic radius becomes smaller.
Which explanation best describes this trend?[/size]
Which explanation best describes this trend?[/size]
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | No |
Question 2
[size=4]As you move from Sodium to Chlorine in Period 3, the atomic radius decreases while ionization energy increases.
Which relationship best explains this pattern?[/size]
Which relationship best explains this pattern?[/size]
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | No |
Question 3
[size=4]Both Group 1 metals and Group 17 halogens are highly reactive elements.
Which explanation best relates their reactivity patterns?[/size]
Which explanation best relates their reactivity patterns?[/size]
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | No |
Question 4
[size=4]Silicon is widely used in electronic circuits because of its semiconductor properties.
Which comparison best explains why metalloids function effectively in electronics?[/size]
Which comparison best explains why metalloids function effectively in electronics?[/size]
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | No |
Question 5
[size=4]Down Group 16, atomic radius increases while electronegativity decreases.
Which explanation best connects these two trends?[/size]
Which explanation best connects these two trends?[/size]
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | No |